Yale 524150797

Table 1. Voltage Checks
LIFT TRUCK WILL NOT MOVE IN EITHER DIRECTION.
NO FAULT IS DISPLAYED ON THE CONTROLLER.
Possible Causes:
1. Battery not connected.
2. Control fuse is damaged.
3. Key switch or brake switch is damaged.
4. Transistor controller connector unplugged.
5. Transistor controller is damaged.
1.0 Check for battery voltage on the battery
side of control fuse.
→→
--
1.01 Battery voltage at control fuse.
Check for open control fuse.
|
|
-→
1.02 No battery voltage at control fuse. Connect
battery or check wiring between battery and
fuse.
1.1
Check for battery voltage at control fuse
terminal of key switch.
→→
--
1.1.1
Battery voltage at key switch. Check for
damaged key switch. Check connector.
|
|
-→
1.1.2 No voltage at key switch. Wire to key switch or
connections is damaged.
1.3 Key switch closed. Brake switch closed.
Check for battery voltage at
B+ terminal of transistor controller.
→→
--
1.3.1 Battery voltage at B+ terminal. Check fault code.
If no fault code, possible damaged control
handle card.
|
|
-→
1.3.2 No voltage at B+ terminal. Check B- terminal.
Check fault code.
Electrical System Checks 2200 YRM 1508
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