Display Lights Up; Treadbelt Does Non Move - Landice 8700 Series Service Manual

Display lights up; TREADBELT DOES NOT MOVE "L5 / LS ERROR"
5.1
Plug Treadmill into wall outlet and press
START.
5.2
Is red SERIAL lamp on the motor control
5.3
Enter Open Loop Speed mode:
WARNING: NEVER STAND ON THE TREADBELT IN THIS MODE.
1. Turn off the treadmill.
2. Press FAST and START simultaneously and release both buttons once the display lights up.
3. Hold the fast button until the display reads 99.
5.4
Is the yellow RLC lamp on the motor
control board lit?
YES
5.5
Is yellow MOTOR lamp on the motor
control board lit?
5.6
Turn treadmill off. Disconnect drive motor wires from lower control board (Mtr + and Mtr -)
terminals. Power up in OLS mode (FAST & START). Bring displayed speed up to 99.
Measure across the Mtr + and Mtr – terminals with your voltmeter (DCVolts). You should
measure at least 90 vdc on a 110V treadmill and 180 vdc on a 220V treadmill.
If you are not getting dc volts out of the lower board, replace it.
If you are measuring the proper dc voltage out, replace the drive motor.
board lit?
NO
Short in capacitor, motor, or motor
control board.
NO
YES
1. Unplug the treadmill from its
l
2. Walk on the belt manually. (push belt)
NO
3. Does the yellow MOTOR lamp light while pushing?
1. Loose wire connection to motor, capacitor, or choke.
YES
2. Loose brush holder screw on motor. (Check Both)
3. Failed drive motor. Part # 70014 (110V), 70125 (220V)
1. Check wiring harness connection between
upper and lower board. Part # 70083
2. Replace display board. Part # 70076
NO
Drive motor is good.
Proceed to Step 5.6.
55
YES