Johnson T8000PRO, Руководство по обслуживанию

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Treadmill starts to run by itself
Possible causes:
1. The console cable is broken.
2. PCB is out of order.
3. Inverter is out of order.
Fix:
1. Replace the console cable with a new one.
2. Replace the PCB.
3. Replace the Inverter .
All or some of the keys on console do not work
Possible causes:
1. Keypad connecting plug is not fit-in properly.
2. Keypad is damaged.
3. PCB is damaged.
Fix:
1. Disconnect the keypad and replace the keypad, and check again.
2. Replace the keypad.
3. Replace the PCB.