SportsArt Elliptical Trainer - No Start Troubleshooting Guide Table of Contents

Transcription

1 Table of Contents Introduction to 8007 Electronic Components - 1 Key Start Troubleshooting Flow Chart 1 2 Active Start Troubleshooting Flow Chart 2 3 Active Start - Generator/Sensor Test 4 Active Start - Drive/Display Test 5 Active Start - Sensor/Drive Test 6 Key Start - Drive/Display Test - 7 1

2 Introduction to 8007 Electronic Components Generator Battery Magnet and Drive Board Flywheel Optic Sensor 1 2

3 Key Start Troubleshooting Flow Chart START Place probes on battery terminals. Without moving the pedals or arm bars, press the display panel ON key. Does the meter show 5.2V or more? Recharge the battery: Adjust LEVEL to lowest position; Run at rates per minute for half an hour. Or replace the battery. Without moving the pedals or arm bars, release the ON key. Does the display remain lit 2 minutes before turning off? Does the display turn off immediately? If the display doesn't black out immediately but turns off in less than two minutes, replace the drive board (capacitor EC9 220U/16V). rmal END See page 7 to determine whether issue is in the display board or drive board. 2 3

4 Active Start Troubleshooting Flow Chart START Exercise on the unit. Does the display light up automatically? Test generator output. If none, replace the generator. If so, inspect the optic sensor by probing into drive board CN1 pins 1 and 2. Voltage should vary with speed. Please see page 4. Possible malfunction: optic sensor, drive board, optic sensor cable. Please see page 7. rmal END The optic sensor is good. Possible malfunction: display board, drive board, data cable. Please see pages 5 and

5 SportsArt 8007 Elliptical Trainer - Start Troubleshooting Guide Active Start - Generator/Sensor Test Exercise on the unit. Place probes on generator wires. Generator output voltage (VDC) should vary according to speed. If not, replace the generator. If generator is good, inspect the optic sensor. Place probes on drive board connector CN1 pins 1 and 2 as shown. Voltage should vary with speed from 0~5VDC.If voltage does vary, the optic sensor is functioning normally. Inspect the drive and display circuit boards. See page 5. If voltage does not vary, inspect the optic sensor and drive board. See page

6 Active Start Drive/Display Test Condition: Voltage across drive board connector CN1 pin 1 and IC U3 (40106) pin 4 should vary from 0~5VDC. Response: If voltage does not vary, replace the drive board. Possible bad components: IC U3(40106) or U2(LM339) (see below). If voltage varies, the drive board is good. Perform a continuity test on the main data cable. If it is good, replace the display. If it is bad, replace the data cable. U2(LM339)IC U3(40106)I 5 6

7 SportsArt Elliptical Trainer Start Troubleshooting Guide Active Start Sensor/Drive Test Condition: Voltage across drive board CN1 connector pin 1 and 2 does not vary. Response: Inspect optic sensor power supply from the drive board. Place probes as shown across the red and green wires. rmal specification: 5VDC. If there is no power to the optic sensor, replace the drive board. If there is voltage off the drive board, but no returning signal (page 4), replace the optic sensor. te: also inspect optic sensor wire by performing continuity test on the wire. 6 7

8 Key Start Drive/Display Test Condition: one is exercising on the unit; battery voltage is appropriate; the display lights briefly when the ON key is pressed but shuts off as soon as the ON key is not pressed. Response:Test D7 diode voltage: Place the black probe on the negative end of CN2; place the red probe on the positive end of diode D7. rmal voltage: 0~0.5V. If the voltage is normal, the drive board automatic shut off function is malfunctioning. Replace drive board IC U10(HT7044) or U3(40106) or capacitor EC11(2.2UF) or transistor Q5(C1815). If voltage exceeds 5VDC, the display board ( shut off signal emission) is malfunctioning. Replace the display. 7 8