2200 YRM 1067 Troubleshooting
Dash Display
Controller LED Handset or PC
AL10 LEDON(NoFlashing) CAPACITOR CHARGE
CONDITION
Main controller capacitors did not charge
within 500 ms of key ON.
TRUCK RESPONSE
Traction and hydraulic functions disabled.
POSSIBLE CAUSES AND TEST PROCEDURES
• Loose or damaged wire connection.
Inspect and confirm wire connections at contactor,
pump motor, and traction motor.
• Short circuit in harness.
Disconnect main harness and check for shorts.
• Short circuit in component coil.
Disconnect battery. Disconnect all drive motor,
pump motor, solenoid, brake, and coil connections
at the component end of the harness. Tape or
secure the wire ends to prevent shorts.
Discharge controller by placing 200 ohm, 2W resis-
tor across B+ and B
terminals. Reconnect battery
and turn key ON. Use voltmeter to observe voltage
across B+ and B
. If there is no voltage increase,
replace controller. If there is a steady voltage in-
crease to battery voltage, connect each accessory
one at a time until the fault occurs to identify dam-
aged component.
LOGIC
Occurs when an internal
or external short or open prevents the main
capacitors from charging at key ON.
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