73

YES

1.Check wiring between motor control board,filter choke and drive motor.

2.Check for broken choke or shorted

capacitor.

3.Check voltage going to motor directly at points 3 and 4 on terminal block.

Check voltage output on the KB-TSM at points A+ and A-.

If motor has input voltage but does not turn, Check brushes / replace motor.

( Drive Motor #70014)

*Applies to Sprint 2 Only.

SYMPTOM

Elevation System not

functioning

If the Elevation system works,

but the display is erratic or incorrect, check elevation potentiometer calibration.

Disconnect the 6-pin connector

between the motor and the wiring

harness. Check for the following,

on the harness side:

1.120 VAC between (orange) and (white) wires when the "UP" switch is

engaged,and 0 VAC when the switch is disengaged.

Page 73
Image 73
Landice 8700 manual Applies to Sprint 2 Only