Switch-off responses There are three switch-off responses depending on the fault; the inverter remains inhibited in fault status:

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1 information.1 information.1.1 memory The fault memory (P8) stores the last five messages (s t-...t-4). The message of longest standing is deleted whenever more than five messages have occurred. The following information is stored when a malfunction occurs: that has occurred Status of binary inputs/outputs Operating status of the inverter Inverter status Heat sink temperature Speed Output current Active current Unit utilization DC link voltage ON hours Enable hours Parameter set Motor utilization..1.2 Switch-off responses There are three switch-off responses depending on the fault; the inverter remains inhibited in fault status: Rapid stop The unit can no longer brake the drive; the output stage goes to high resistance in the event of a fault and the brake is applied immediately (DBØØ "/Brake" = ""). The drive is braked with the stop ramp t13/t23. Once the stop speed is reached, the brake is applied (DBØØ "/Brake" = ""). The output stage goes to high resistance after the brake reaction time has elapsed (P732 / P735). stop The drive is braked with the emergency ramp t14/t24. Once the stop speed is reached, the brake is applied (DBØØ "/Brake" = ""). The output stage goes to high resistance after the brake reaction time has elapsed (P732 / P735)..1.3 Reset An message can be acknowledged by: Switching the supply system off and on again Recommendation: Observe a minimum switch-off time of 1 s for the supply system contactor K11. Reset via input terminals; that is, via an appropriately assigned binary input (DIØ1 to DIØ7 with the basic unit, DI1Ø to DI17 with the DIO11B option). Manual reset in SHELL (P84 = YES or [Parameter] / [Manual reset]). Manual reset using the DBG6B. Auto reset performs up to five unit resets with an adjustable restart time. DANGER Risk of crushing if the motor starts up automatically after an auto reset. Severe or fatal injuries. Do not use auto reset with drives where an automatic restart represents a danger to people or units. Perform a manual reset. 618 System Manual MOVIDRIVE MDX6B/61B

2 .1.4 Inverter is waiting for data If the inverter is controlled via a communication interface (fieldbus, RS485 or SBus) and the power was switched off and back on again or a fault reset was performed, then the enable remains ineffective until the inverter receives valid data again via the interface, which is monitored with a timeout message via 7-segment display The fault code is shown in a 7-segment display. The following display sequence is used (e.g. fault code 1): Flashes, ca. 1 s Display off, ca..2 s Hundreds (if available), ca. 1 s Display off, ca..2 s Tens, ca. 1 s Display off, ca..2 s Ones, ca. 1 s Display off, ca..2 s Following a reset or if the code resumes the value "", the display switches to the operating display..2.2 code display The sub code is displayed in MOVITOOLS MotionStudio (as of version 4.5) or in the DBG6B keypad. System Manual MOVIDRIVE MDX6B/61B 619

3 .2.3 list The factory set response is listed in the " P" column. indicates that the response is programmable (via P83_ response or with IPOS plus ). In the event of 18, indicates that the response can be programmed via P555 DCS response In the event of 19, indicates that the response can be programmed via P556 DCS alarm response No 1 Overcurrent 3 Ground fault 4 Brake chopper 6 Line phase failure 7 DC link overvoltage Possible cause Measure Output stage Short circuit at output 1 V CE monitoring or undervoltage monitoring of the gate driver 5 Inverter remains in hardware current limit 6 V CE monitoring or undervoltage monitoring of the gate driver or overcurrent of the current converter...phase U 7..Phase V 8..Phase W 9..Phases U and V 1..Phases U and W 11..Phases V and W 12..Phases U and V and W 13 Voltage supply Current converter in mains operation 14 MFE signal lines Ground fault DC link voltage too high in 1 4Q operation DC link voltage periodically too low Motor too large Defective output stage External power supply Current converter Ramp limit is deactivated and set ramp time is too short Defective phase module Supply voltage 24 V or 24V generated from it is instable Interruption or short circuit on the signal lines from the phase modules Ground fault in the motor lead in the inverter in the motor Too much regenerative power Braking resistor circuit interrupted Short circuit in the braking resistor circuit Brake resistance too high Brake chopper is defective Phase failure Inadequate line voltage quality 3 Line frequency fault 4 - DC link voltage too high in DC link voltage too high 1 2Q operation 2 DC link voltage too high in 4Q operation.... Phase U 3.. Phase V 4.. Phase W Rectify the short circuit Connect a smaller motor Contact SEW for advice if the output stage is defective. Activate P138 and/or increase ramp time Eliminate ground fault Consult SEW Extend deceleration ramps Check supply cable to braking resistor Check technical data of braking resistor Replace MOVIDRIVE if the brake chopper is defective Check the line cable supply system. Check supply (fuses, contactor) Extend deceleration ramps Check supply cable to the braking resistor Check technical data of braking resistor 62 System Manual MOVIDRIVE MDX6B/61B

4 8 Speed monitoring 9 Startup 1 IPOS-ILLOP stop Overtemperature Control signal source stop Inverter in current limit or in slip limit 3 "Actual speed" system limit exceeded. Speed difference between ramp setpoint and actual value for 2 ramp time higher than expected slip. 4 Maximum rotating field speed exceeded. Maximum rotating field frequency (with VFC max. 15 Hz and V/f max 6 Hz) exceeded. Startup missing 1 Wrong operating mode selected 2 Wrong encoder type or defective encoder card Invalid IPOS command Heat sink temperature too high or temperature sensor defective 3 Overtemperature switched-mode power supply 6 Heat sink temperature too high or temperature sensor defective...phase U (size 7) 7..Phase V (size 7) 8..Phase W (size 7) Possible cause Measure Control signal source not available, e.g. control signal source fieldbus without fieldbus card Speed controller or current controller (in VFC operating mode without encoder) operating at setting limit due to mechanical overload or phase failure in the power supply or motor. Encoder not connected correctly or incorrect direction of rotation. n max is exceeded during torque control. In operating mode VFC: Output frequency 15 Hz In operating mode V/f: Output frequency 6 Hz Reduce load Increase deceleration time (P51 or P53). Check encoder connection, swap A/A and B/B pairs if necessary Check encoder voltage supply Check current limitation Extend ramps if necessary Check motor cable and motor Check line phases Inverter has not been started up Perform startup for the for the selected operating mode. required operating mode. Incorrect command detected during IPOS plus program execution. Incorrect conditions during command execution. Thermal overload of inverter Temperature sensor of a phase module faulty. (size 7) Control signal source not defined or defined incorrectly. Check the content of the program memory and, if necessary, correct. Load the correct program into the program memory. Check program sequence ( IPOS plus manual) Reduce load and/or ensure adequate cooling. Check fan. If F-11 is issued even though the temperatures is obviously not too high, this indicates a faulty temperature sensor of the phase module. Replace the phase module (Size 7) Set correct control signal source (P11). System Manual MOVIDRIVE MDX6B/61B 621

5 14 Encoder Encoder not connected, defective encoder, defective encoder cable 25 Encoder X15 Speed range exceeded. Encoder at X15 turns faster than 6542 rpm. 26 Encoder X15 Card is defective. in the quadrant evaluation. 27 Encoder encoder connection or encoder is defective 28 Encoder X15 Communication RS485 channel. 29 Encoder X14 Communication RS485 channel. 3 Unknown encoder type at X14/X15 31 Plausibility check Hiperface X14/X15 Increments have been lost. 32 Encoder Hiperface X15 Hiperface encoder at X15 signals 33 Encoder Hiperface X14 Hiperface encoder at X14 signals 34 Encoder X15 resolver. Encoder connection or encoder is defective. 17 "Stack overflow" 18 "Stack underflow" 19 "External NMI" 2 "Undefined opcode" 21 System "Protection fault" 22 access" malfunction "Illegal word operand 23 "Illegal instruction access" 24 "Illegal external bus access" 25 EEPROM Rapid stop Possible cause Measure Read or write on EEPROM power section 11 NV memory read NV-RAM inside the unit 13 NV memory chip card System module defective 14 NV memory chip card Memory card defective NV memory initialization Encoder cable or shield not connected correctly Short circuit/broken encoder wire Encoder defective Inverter electronics disrupted, possibly due to effect of EMC. Access to the EEPROM of the memory card has failed Check encoder cable and shield for correct connection, short circuit and broken wire. Check grounding and shielding and improve, if necessary. Consult SEW if the reoccurs. Activate factory settings, perform reset and reset parameters. Contact SEW service if the occurs again. Replace memory card. 622 System Manual MOVIDRIVE MDX6B/61B

6 External terminal No limit switches Fieldbus Timeout Limit switch contacted stop Timeout TF/TH sensor tripped IPOS index overflow Setpoint source Ramp Timeout Operating mode Option missing System watchdog stop stop Rapid stop stop No response stop Possible cause Measure External terminal Both limit switches missing or open circuit 2 Limit switch reversed 3 Both limit switches are active simultaneously "Fieldbus timeout" 2 Fieldbus card does not boot Hardware limit switch approached Time violation stop emergency stop rate Thermal motor protection IPOS program defective Setpoint source not available, e.g. control signal source fieldbus without fieldbus card Time violation rapid stop ramp Operating mode not available 1 Wrong assignment operating mode - hardware 2 Wrong assignment operating mode - technology function Hardware is missing or not permitted. 2 Encoder slot. 3 Fieldbus slot. 4 Expansion slot. "watchdog overflow system" Read in external signal via programmable input. Open circuit/both limit switches missing. Limit switches are swapped over in relation to direction of rotation of motor No communication between master and slave within the projected response monitoring. A limit switch was reached in IPOS plus operating mode. Drive overloaded stop ramp too short. Motor too hot, TF/TH has triggered TF/TH of the motor not connected or connected incorrectly MOVIDRIVE connection and TF/TH connection on motor interrupted Programming principles violated leading to system internal stack overflow Setpoint source not defined or defined incorrectly. Time of downward ramps exceeded, e.g. due to overload. Operating mode not defined or defined incorrectly P9 was used to set a ramp function that is needed by a MOVIDRIVE unit in technology version. P9 was used to set a ramp type that does not match the selected technology function. P9 was used to set a ramp type that does not match the selected synchronization time (P888). Type of option card not allowed Setpoint source, control signal source or operating mode not permitted for this option card Incorrect encoder type set for DIP11B. while executing system software Eliminate respective cause; reprogram terminal if necessary. of limit switches. Swap over limit switch connections. Reprogram terminals Check communications routine of the master Extend fieldbus timeout time (P819) or deactivate monitoring Check travel range. Correct user program. Check configuration Extend emergency stop ramp Let motor cool off and reset Check connections/link between MOVIDRIVE and TF/TH. If a TF/TH is not connected: Jumper X1:1 with X1:2. Set P835 to "No response". Check and correct the IPOS plus user program (see IPOS plus manual). Set correct setpoint source (P1). Extend the downwards ramps Eliminate overload Use P7 or P71 to set correct operating mode. Use MOVIDRIVE in technology version (..OT). From the "Startup Select technology function..." menu, select the technology function that matches P9. Check the settings of P9 and P888 Use correct option card Set correct setpoint source (P1) Set correct control signal source (P11) Set correct operating mode (P7 or P71) Set the correct encoder type Consult SEW. System Manual MOVIDRIVE MDX6B/61B 623

7 System software Reference travel Boot synchronization Watchdog option 42 Lag 43 RS485 timeout 44 Unit utilization Rapid stop "System software" "Reference travel" Timeout at boot synchronization with option. Watchdog timer from/to option. 17 Watchdog IPOS Positioning lag Possible cause Measure Communication timeout at RS485 interface System malfunction The reference cam is missing or does not switch Limit switches are connected incorrectly Reference travel type was changed during reference travel during boot synchronization between inverter and option. Synchronization ID not/ incorrectly transmitted in communication between system software and option software Watchdog in the IPOS plus program An application module without the application version has been loaded in a MOVIDRIVE B unit The wrong technology function has been set if an application module is used Encoder connected incorrectly Acceleration ramps too short P component of positioning controller too small Incorrectly set speed controller parameters Value of lag tolerance too small during communication via interface RS485 Unit utilization Unit utilization (IxT value) 8 UL monitoring > 125% Consult SEW. Check reference cam Check limit switch connection Check reference travel type setting and required parameters. Install a new option card if this reoccurs. Consult SEW. Check IPOS program Check whether the unit has been activated for the application version (P79) Check the selected technology function (P78) Check encoder connection Extend ramps Set P component to higher value Reset speed controller parameters Increase lag tolerance of encoder, motor and line phase. Check whether mechanical system components can move freely or if they are blocked Check RS485 connection (e.g. inverter - PC, inverter - DBG6B). If necessary, contact SEW. Decrease power output Extend ramps If suggested actions not possible, use larger inverter. Reduce load 45 Initialization General during initialization 3 Data bus during RAM check 6 CPU clock. 7 in the current evaluation. 1 when setting flash protection 11 Data bus during RAM check 12 Parameter setting synchronous operation (internal synchronous operation) No parameters set for EEPROM in power section, or parameters set incorrectly. Option card not in contact with backplane bus. Restore factory settings Consult SEW if the still cannot be reset. Insert the option card correctly. 624 System Manual MOVIDRIVE MDX6B/61B

8 46 System bus 2 Rapid stop timeout 47 System bus 1 Rapid stop timeout Hardware DRS "TTL encoder" "Sin/cos encoder" "Encoder communication" IPOS control word Rapid stop Timeout system bus CAN2 during communication via system bus 2. Timeout system bus CAN1 during communication via system bus 1. No response Possible cause Measure Hardware synchronous operation 512 X15: in amplitude control 896 X14: in amplitude control 514 X15: Incorrectly set numerator/denominator values 898 X14: Incorrectly set numerator/denominator values 512 X15: in amplitude control 514 X15: Track signal 896 X14: in amplitude control 897 X14: Initialization 898 X14: Track signal Check system bus connection. Check system bus connection. Only with DRS11B: Check encoder signals of master/synchronous Encoder signal from master/ encoder. synchronous encoder faulty. Check encoder wiring. Hardware required for synchronous operation is faulty. Replace synchronous operation card. Encoder cable or shield not connected correctly Short circuit/broken encoder wire Encoder defective EMC interference Incorrect numerator/denominator values Encoder cable or shield not connected correctly Short circuit/broken encoder wire Encoder defective EMC interference Check encoder cable and shield for correct connection, short circuit and broken wire. Replace the encoder Providing for EMC measures Correct the numerator/denominator values Check encoder cable and shield for correct connection, short circuit and broken wire. Replace the encoder Providing for EMC measures 513 X15: Initialization Encoder defective Replace the encoder 515 X15: Incorrectly set numerator/denominator Incorrect numerator/denominator values Correct the numerator/denominator values values 899 X:14 Incorrect numerator/ denominator values 1 X15: Track signal Encoder cable or shield not X15: Data line fault connected correctly Short circuit/broken encoder X15: RS485 communication wire Encoder defective 188 EMC interference X15: EnDat communication X14: Track signal 4 X14: Data line fault 448 X14: RS485 communication X14: EnDat communication X15: Incorrect calibration of encoder Incorrect encoder calibration or mechanical offset to motor 386 X15: Incorrect calibration of encoder 124 X15: Clocking and/or data Clocking and/or data line not line not connected connected 1748 X14: Clocking and/or data line not connected Invalid control word IPOS Only in IPOS plus operating mode: An attempt was made to set an invalid automatic mode (via external controller). P9 = BUS RAMP is set. Check encoder cable and shield for correct connection, short circuit and broken wire. Replace the encoder Providing for EMC measures Delivery condition + new startup Connect clocking and/or data line Check serial connection to external control. Check write values of external control. Set correct value for P9. System Manual MOVIDRIVE MDX6B/61B 625

9 78 79 IPOS SW limit switch Hardware configuration 8 RAM test 81 Start condition 82 Open output Motor protection Memory module Technology function No response stop Software limit switch reached Deviating hardware configuration when replacing the memory card "RAM test" Possible cause Measure Start condition with VFC hoist Output open with VFC hoist "Motor temperature simulation" 2 Wire breakage Temperature sensor 3 No thermal motor model available 4 UL monitoring 11 Temperature sensor short circuit in connection with memory module 2 Hardware card detection wrong memory card Only in IPOS plus operating mode: Check the user program Programmed target position is Check position of the software limit switches outside travel range delimited by software limit switches. The following items do not match anymore after having replaced the memory card: Power rating Nominal voltage Variant identification Unit series Application or standard version Option cards Internal unit fault, RAM defective. Only in "VFC hoist" operating mode: The motor could not be supplied with the correct amount of current during the pre-magnetizing time: Rated motor power too small in relation to rated inverter power. Motor cable cross section too small. Only for operation with a linear motor (as of firmware 18): The drive has been set to "Enable" although the commutation offset between linear motor and linear encoder is not known. This means that the inverter cannot set the current indicator correctly. Only in "VFC hoist" operating mode: Two or all output phases interrupted. Rated motor power too small in relation to rated inverter power. Motor utilization too high. I N -U L monitoring 1 triggered P53 set later to "KTY" No memory card Memory card defective Technology function A technology function was activated in a standard selected with standard unit version. Ensure identical hardware or restore factory setting (parameter = factory setting). Consult SEW. Check startup data and perform new startup, if necessary. Check connection between inverter and motor. Check cross section of motor cable and increase if necessary. Perform commutation travel in the "No enable" state and then switch to "Enable" once the inverter has acknowledged in status word bit 25 that commutation was successful. Check connection between inverter and motor. Check startup data and perform new startup, if necessary. Reduce load. Extend ramps. Observe longer pause times. Check P345/346 Select a larger motor Tighten knurled screw Insert and secure memory card Replace memory card Load delivery status and parameter set Disable technology function 626 System Manual MOVIDRIVE MDX6B/61B

10 88 Flying start DIP encoder problem DIP encoder EEPROM checksum DIP plausibility 97 Copy 98 CRC 99 1 IPOS ramp calculation Vibration warning 11 Vibration 12 Oil aging warning 13 Oil aging display stop shut-off stop Display Rapid stop Display Display "Flying start" Only in VFC n-ctrl operating mode: Actual speed > 6 rpm with the inverter enabled. 1 Stahl WCS3 dirt problem Encoder signals a fault Fault "Absolute encoder" Power section parameters 5 Control unit data 6 Power section data 7 Invalid version of the configuration data set Validity check of absolute position Parameter set upload is/ was faulty 1 Download of parameter set to unit cancelled. 2 Not possible to adopt parameters. Not possible to adopt parameters from memory card. "CRC via internal flash" "Ramp calculation" Possible cause Measure Vibrations diagnostics warning The encoder signals an, e.g. power failure. Connection cable between the encoder and DIP11B does not meet the requirements (twisted pair, shielded). Cycle frequency for cable length too high. Permitted max. speed/ acceleration of encoder exceeded. Encoder defective. Inverter electronics disrupted, possibly due to effect of EMC or a defect. Inverter not enabled before actual speed is 6 rpm. Possible cause: Encoder is dirty clean encoder Check absolute encoder connection. Check connection cables. Set correct cycle frequency. Reduce maximum traveling velocity or ramp. Replace the absolute encoder. Send unit in for repair. Set the correct encoder No plausible position could be type. determined. Check IPOS plus travel Incorrect encoder type set. parameters. IPOS plus travel parameter Check traveling velocity. set incorrectly. Correct numerator/denominator factor. Numerator/denominator factor set incorrectly. After zero adjustment Zero adjustment performed. reset. Encoder defective. Replace the absolute encoder. Memory card cannot be written or read. during data transmission Internal unit Flash memory defective Repeat copying process Restore default setting (P82) and repeat copying process Send unit in for repair. Only in IPOS plus operating Rewrite the IPOS plus program mode: so that ramp times and traveling velocities can only be Positioning ramp is sinusoidal or square and an attempt is made altered when the inverter is to change ramp times and traveling velocities with enabled inhibited. inverter. Vibration sensor warning ( "DUV1A" operating instructions). Vibration diagnostics Vibration sensor reports. Oil aging warning Oil aging message from the oil aging sensor message from the oil aging sensor Determine cause of vibrations. Continue operation until F11 occurs. SEW-EURODRIVE recommends that you remedy the cause of the vibrations immediately Schedule oil change. SEW-EURODRIVE recommends that you change the gear unit oil immediately. System Manual MOVIDRIVE MDX6B/61B 627

11 14 15 Oil aging overtemperature Oil aging ready signal Brake wear 17 Line components 18 DCS Display Display Display stop/malfunction Oil aging overtemperature Oil aging ready signal Overtemperature signal from the oil aging sensor Oil aging sensor is not ready for operation Brake wear Brake lining worn For regeneration only: No 1 feedback signal from main contactor. DCS 1 during transfer of configuration data to the monitoring unit. 2 Configuration data for software version of the subassembly is invalid. 3 Unit was programmed with incorrect programming interface. Defective main contactor Interruption in connection during program download Subassembly configured with incorrect software version of the programming interface. Let oil cool down Check if the gear unit cools properly Check voltage supply of oil aging sensor Check and, if necessary, replace the oil aging sensor Replace brake lining ( "Motors" operating instructions). Check main contactor Check control cables. Send the configuration files again Configure subassembly with permitted version of the programming interface. Then switch subassembly off and on again. Program or configuration data Check the design of the was loaded into the unit with an subassembly. Configure again incorrect programming interface. with a valid programming interface. Then switch the unit off and on again. 4 Faulty reference voltage. Supply voltage of the subassembly is defective. Switch unit off and on Check supply voltage 5 Faulty component in the again 6 Faulty system voltage. subassembly 7 8 Faulty test voltage 9 Faulty DC 24 V voltage 1 supply Possible cause Measure Ambient temperature of the unit is not in the defined range. Plausibility for position changeover Faulty switching of the LOSIDE driver DO2_P / DO2_M Faulty switching of the HISIDE driver DO2_P / DO2_M Faulty switching of the LOSIDE driver DO_M Faulty switching of the HISIDE driver DO_P Faulty switching of the LOSIDE driver DO1_M Faulty switching of the HISIDE driver DO1_P Temperature at the place of operation is not in the permitted range. For the position changeover, ZSC, JSS or DMC is permanently activated. Short circuit of the output. Check the ambient temperature. Check ZSC activation Check JSS activation Check DMC activation (only for monitoring via position) Check wiring at the output. 628 System Manual MOVIDRIVE MDX6B/61B

12 19 DCS alarm Rapid stop/ warning Possible cause Measure DCS alarm 1 Communication at the CAN interface of the inverter 2 Plausibility digital 3 input at pulse P1 4 Plausibility digital 5 input at pulse P2 6 Pulse 1 plausibility at 7 binary input DI3 8 Pulse 1 plausibility at 9 binary input DI4 1 Pulse 1 plausibility at 11 binary input DI5 12 Pulse 1 plausibility at 13 binary input DI6 14 Pulse 1 plausibility at 15 binary input DI7 Pulse 1 plausibility at 17 binary input DI8 The DCS21B/31B option does not receive any valid data from the inverter. No pulse1 voltage present at binary input DI1 Check hardware connection to the inverter Check version of the inverter DI1 digital input according DI2 binary input according DI3 binary input according DI4 binary input according DI5 binary input according DI6 binary input according DI7 binary input according DI8 binary input according System Manual MOVIDRIVE MDX6B/61B 629

13 19 DCS alarm Rapid stop/ warning Possible cause Measure 18 Pulse 2 plausibility at 19 binary input DI1 2 Pulse 2 plausibility at 21 binary input DI2 22 Pulse 2 plausibility at 23 binary input DI3 24 Pulse 2 plausibility at 25 binary input DI4 26 Pulse 2 plausibility at 27 binary input DI5 28 Pulse 2 plausibility at 29 binary input DI6 3 Pulse 2 plausibility at 31 binary input DI7 32 Pulse 2 plausibility at 33 binary input DI8 34 Plausibility in the 35 speed recording 36 Plausibility in the 37 position acquisition No pulse 2 voltage present at binary input DI1. The difference between the two speed sensors is higher than the configured speed cut-off threshold. The difference between the two position sensors is higher than the configured value. DI1 digital input according DI2 binary input according DI3 binary input according DI4 binary input according DI5 binary input according DI6 binary input according DI7 binary input according DI8 binary input according Check track again with the data of the encoder configuration. Check the velocity sensor Use the SCOPE function to set speed signals so that they are congruent Check track with the configured data of the encoder setting Check position signal Are all signals connected correctly to the 9-pin encoder connector? Check the encoder connector for correct wiring. Is the jumper between pin 1 and pin 2 on the 9-pin encoder connector closed (SSI absolute encoder)? Use the SCOPE function to set positions signals so that they are congruent 63 System Manual MOVIDRIVE MDX6B/61B

14 19 DCS alarm Rapid stop/ warning 38 Plausibility incorrect 39 position range 4 Plausibility incorrect 41 speed. 42 Configuration : Acceleration Plausibility in 45 encoder interface (A341 = encoder 1 and A342 = encoder 2). 46 Encoder supply voltage 47 (A343 = encoder 1 and A344 = encoder 2) Reference voltage 5 51 Difference level RS485 driver 1 ( INC_B or SSI_CLK) faulty 52 Difference level RS driver 2 ( INC_A or SSI_DATA) faulty. 54 Incremental counter deviation Plausibility in 57 Possible cause Measure encoder interface (A341 = encoder 1 and A342 = encoder 2) The current position is outside the configured range. The current speed exceeds the configured maximum speed. The current acceleration is outside the configured acceleration range. The wiring of the encoder does not correspond to the configured data. Encoder voltage supply is outside the defined range (min. DC 2 V / max. DC 29 V). The reference voltage input of the encoder system is outside the defined range. No encoder connection, incorrect encoder type. The wiring of the encoder does not correspond to the configured data. Check track with the configured data of the encoder setting Check position signal, correct offset if necessary Use the SCOPE function to read off the position and set in ratio to the configured values The drive moves outside the permitted and configured speed range Check configuration (max. velocity set) Analyze the speed development using the SCOPE function Check encoder type and configuration (SSI/incremental) Check the encoder connection/wiring Check polarity of the encoder data Check function of the encoder Check encoder type and configuration (SSI/incremental) Check the encoder connection/wiring Check polarity of the encoder data Check function of the encoder Overload in the supply voltage of the encoder; internal fuse has triggered Check supply voltage of the DCS21B/31B option Check reference voltage input of the encoder system. Check the encoder connection. Check encoder type and configuration (SSI/incremental) Check the encoder connection/wiring Check polarity of the encoder data Check function of the encoder System Manual MOVIDRIVE MDX6B/61B 631

15 19 DCS alarm "Ex-e protection" Analog input open circuit "Timeout MOVI-PLC" Rapid stop/ warning stop No response Rapid stop/ warning 58 Plausibility SIN/COS Incorrect encoder type 59 encoder connection. connected Plausibility SSI 62 encoder connection Phase of the incremental 63 or sin/cos encoder. Check encoder connection Check the encoder connection (jumper between pin 1 and pin2) Check encoder connection Replace the defective encoder 64 Plausibility - SSI Connected encoder type does Check encoder connection 65 encoder connection. not correspond to the configuration. Check connected encoder 66 Plausibility - SSI listener 67 encoder connection 68 Faulty switching of the LOSIDE driver DO2_M 69 Faulty switching of the HISIDE driver DO2_P 7 Faulty switching of the LOSIDE driver DO_M DC V short circuit at the 71 Faulty switching of the output. Check wiring at the output. HISIDE driver DO_P 72 Faulty switching of the LOSIDE driver DO1_M 73 Faulty switching of the HISIDE driver DO1_P 74 Undervoltage test watchdog DC V short circuit at on of the for LOSIDE driver DC V outputs. Check wiring at the outputs. 75 Undervoltage test watchdog DC 24 V short circuit at on of the for HISIDE driver DC 24 V outputs. 76 CCW and CW monitoring 77 (in DMC module) activated 78 simultaneously CCW and CW monitoring Only one direction of rotation 79 range of the OLC activated Multiple activation. simultaneously can be activated in the DMC module. 8 CCW and CW monitoring 81 (in JSS module) was activated simultaneously 82 Timeout MET. Input element with time monitoring of input is faulty. element 83 Time monitoring start signal for confirmation button. Input element faulty 84 Timeout MEZ. Two-hand operation with time 85 Time monitoring for twohand button. monitoring is faulty. 86 EMU1 monitoring Check hardware connections 87 Faulty monitoring of the external Pick-up or release time too 88 EMU2 monitoring channel short 89 Check switching contacts Possible cause Measure Duration of operation below 5 Hz exceeded AI1 analog input open circuit MOVI-PLC communication timeout Duration of operation below 5 Hz exceeded AI1 analog input open circuit Check configuration Shorten duration of operation below 5 Hz Check wiring Check startup 632 System Manual MOVIDRIVE MDX6B/61B

16 122 "Absolute encoder option" Possible cause Measure 2 X15: Unknown encoder type Connected encoder type unknown 386 X14: Unknown encoder type 1 X15: Plausibility check Encoder cable or shield not connected correctly Short circuit/broken encoder wire Encoder defective EMC interference 33 X15: Analog voltages not within tolerance X15: RS485 communication 6 X15: Analog voltages not within tolerance 63 X15: Position, excessive speed, unable to generate position 256 X15: Voltage dip 257 X15: Clocking or data line interrupted 258 X15: Change of position 261 X15: No high level present 513 X15: Plausibility check 768 X15: PDO timeout 77 X15: Change of position 385 X14: Plausibility check. 417 X14: Analog voltages not within tolerance 444 X14: Analog voltages not within tolerance 447 X14: Position, excessive speed, unable to generate position X14: RS485 communication 64 X14: Voltage dip 641 X14: Clocking or data line interrupted 642 X14: Change of position 645 X14: No high level present 897 X14: Plausibility check X14: PDO timeout X14: Change of position 34 4 X15: Internal encoder Internal encoder 46 5 X15: Internal encoder X15: Internal encoder 514 X15: Internal encoder X15: Internal encoder X14: Internal encoder X14: Internal encoder X14: Internal encoder X14: Internal encoder X14:Internal encoder Replace the encoder Check encoder cable and shield for correct connection, short circuit and broken wire. Replace the encoder Providing for EMC measures Replace the encoder System Manual MOVIDRIVE MDX6B/61B 633

17 122 "Absolute encoder option" 123 Positioning interruption 124 Ambient conditions stop stop Possible cause Measure 61 X15: Critical transmitter current 445 X14: Critical transmitter current 62 X15: Critical encoder temperature 446 X14: Critical encoder temperature 259 X15: Insufficient clock frequency 26 X15: Encoder signals programmable 576 X15: Internal encoder warning 769 X15: Encoder signals programmable 643 X14: Insufficient clock frequency 644 X14: Encoder signals programmable 96 X14: Internal encoder warning X14: Encoder signals programmable 771 X15: signal X14: signal "Positioning/Positioning interruption" 1 Permitted ambient temperature exceeded Soiled, transmitter broken Encoder temperature too high Incorrect encoder parameterization Replace the encoder Reduce motor and ambient temperature Check encoder parameterization Target monitoring when interrupted positioning process is without interruption until it is Perform positioning process resumed. Target would be overrun. complete. Ambient temperature > 6 C Improve ventilation and cooling conditions Improve air supply to the control cabinet; check filter mats. 634 System Manual MOVIDRIVE MDX6B/61B

18 196 Power section Possible cause Measure 1 Discharge resistor Discharge resistor overload Observe waiting time for power on/off 2 Hardware ID precharge/ Incorrect precharge/discharge Consult SEW discharge control control variant Replace precharge/discharge control 3 Inverter coupling PLD Live Defective inverter coupling Consult SEW Replace inverter coupling 4 Inverter coupling reference Defective inverter coupling Consult SEW voltage Replace inverter coupling 5 Power section configuration Different phase modules installed in the unit 6 Control unit configuration Control unit line inverter or motor inverter incorrect Inform SEW service. Check and replace phase modules Replace or correctly assign the control unit of line and motor inverter. Check control unit installation. 7 Communication power section control unit No communication 8 Communication precharge/discharge No communication control Consult SEW inverter coupling 1 Communication power The inverter coupling does not Replace inverter coupling section control unit support protocol 11 Communication power Faulty communication with Replace inverter coupling section control unit inverter coupling at power-up (CRC ). 12 Communication power Inverter coupling uses protocol Replace inverter coupling section control unit that does not match control unit 13 Communication power Faulty communication with Replace inverter coupling section control unit inverter coupling during operation: More than once per second a CRC. 14 Control unit configuration Missing PLD functionality for Replace control unit EEPROM data set size Inverter coupling Inverter coupling processor has Consult SEW service if the signaled internal. reoccurs Inverter coupling : PLD version incompatible 17 Precharge/discharge control Precharge/discharge control processor has signaled internal Replace inverter coupling Replace inverter coupling Consult SEW service if the reoccurs Replace precharge/discharge control System Manual MOVIDRIVE MDX6B/61B 635

19 197 Power supply 199 DC link charging Possible cause Measure 18 Defective DC link fan The DC link fan is faulty. Consult SEW Check whether DC link choke fan is connected or faulty 19 Communication power section control unit 2 Communication power section control unit 21 Uz measurement implausible phase R 22 Uz measurement implausible phase S 23 Uz measurement implausible phase T Faulty communication with Consult SEW if the inverter coupling during operation: More than once per second Replace inverter coupling reoccurs. an internal. The control unit has not sent any messages to the inverter coupling for a while. Defective phase module Consult SEW if the reoccurs. Replace inverter coupling Consult SEW service if the reoccurs 1 Line overvoltage (motor Inadequate line voltage quality. Check supply (fuses, contactor) inverter only at start of precharging process) 2 Line undervoltage (only supply system with line inverter) 4 Precharging was aborted Unable to charge DC link. Precontrol overload Connected DC link capacity too high Short circuit in the DC link; check DC link connection in case of several units. 636 System Manual MOVIDRIVE MDX6B/61B

20 SEW Electronics.3 SEW Electronics.3.1 Send in for repair Please contact the SEW-EURODRIVE electronics service if an cannot be rectified ( "Customer and spare parts service"). When contacting SEW electronics service, always quote the digits on the status label so that our service personnel can assist you more effectively. Provide the following information when sending the unit in for repair: Serial number ( nameplate) Unit designation Standard version or application version Digits on the status label Short description of application (drive application, control via terminals or serial) Connected motor (motor type, motor voltage, connection or ) Nature of the fault Accompanying circumstances Your own presumptions as to what has happened Any unusual events preceding the problem, etc..4 Extended storage If the unit is stored for a long time, connect it to the supply system voltage for at least 5 minutes every 2 years. Otherwise, the unit's service life may be reduced. Procedure when maintenance has been neglected: Electrolytic capacitors are used in the inverters. They are subject to aging effects when de-energized. This effect can damage the capacitors if the unit is connected using the rated voltage after a longer period of storage. If you have not performed maintenance regularly, SEW-EURODRIVE recommends that you increase the line voltage slowly up to the maximum voltage. This can be done, for example, by using a variable transformer for which the output voltage has been set according to the following overview. System Manual MOVIDRIVE MDX6B/61B 637

21 Disposal The following stages are recommended: AC 4/5 V units: Stage 1: AC V to AC 35 V within a few seconds Stage 2: AC 35 V for 15 minutes Stage 3: AC 42 V for 15 minutes Stage 4: AC 5 V for 1 hour AC 23 V units: Stage 1: AC 17 V for 15 minutes Stage 2: AC 2 V for 15 minutes Stage 3: AC 24 V for 1 hour After you have completed the regeneration process, the unit can be used immediately or stored again for an extended period with maintenance..5 Disposal Please follow the current instructions. Dispose in accordance with the material structure and the regulations in force for instance as: Electronics scrap (circuit boards) Plastic (housing) Sheet metal copper 638 System Manual MOVIDRIVE MDX6B/61B