84
MicroController Control System Troubleshooting
CHECKS
Key to ON, close seat switch, release park brake and
accelerator, direction lever to neutral. Display should
show battery charge. Place in forward, and depress
accelerator.
Display = “F&1” Drive operation nomal
PROBLEM 29
Display = “F1”, no lift truck operation.
POSSIBLE CAUSE
Accelerator circuit defect; Logics defect.
Set again the accelerator
signal (min. & max.)
according to P113.
Measure the voltage of DE-7 with accelerator operating.
0V 48V 0V
Check the continuity of wire #7
continuity No continuity
Replace accelerata Repair wire #7
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