2200 YRM 1067 Troubleshooting
Dash Display
Controller LED Handset or PC - 12V
No LEDs or LCDs
illuminated
LED OFF Handset does not operate
CONDITION
Dash display, controller LED, and truck inoperative.
TRUCK RESPONSE
Travel and hydraulic functions disabled.
POSSIBLE CAUSES AND TEST PROCEDURES
• B+ and/or B missing at controller.
Confirm battery is connected and of proper voltage.
Verify key switch is ON.
Verify brake override circuit is connected in run po-
sition.
Verify continuity between batteries negative (at bat-
tery) and
B power wire connection (at controller).
If no continuity, check:
Power wiring between battery and controller.
Verify continuity between battery positive (at bat-
tery) and B-1 and B-12 connection (at controller).
If no continuity, check:
Fuse 2 for open.
Key switch continuity in ON position.
Wiring battery + to main contactor to fuse 2 to key
switch, to controller A-6 connection.
• Defective battery charger.
Disconnect wires 2D and 12 from leads to battery
charger.
Use test lead to connect 2D and 12.
If truck operates, check charger fuses, repair or re-
place battery charger.
• Defective motor controller.
Check for battery voltage between A-6 and
B
power wire connection at controller.
If correct battery voltage, replace controller.
Refer to the section Electrical System 2200 YRM
1007 for more information on troubleshooting electrical
system circuits and components.
LOGIC
Occurs when there is no
power to the controller or the controller is defective.
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