2200 YRM 1067
Troubleshooting
Dash Display
Controller LED
Handset or PC - 24V
AL10
LED ON (No Flashing)
VMN NOT OK
CONDITION
Measured voltage at traction motor inputs does
not match battery voltage.
TRUCK RESPONSE
Traction and hydraulic functions disabled.
POSSIBLE CAUSES AND TEST PROCEDURES
•
Loose or damaged cable connections to motor.
Verify motor armature cables and connections.
•
Ground between motor windings and chassis.
Check for grounds between motor chassis and ter-
minals.
•
Damaged controller.
Voltage at –T terminal on controller should be the
same as the +B terminal.
Replace controller.
LOGIC
Occurs when controller
observes differences between battery voltage
and voltage supplied to the traction motor.
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