
92
MicroController Control System
Troubleshooting
PROBLEM 37
Display = “Fb”, no lift truck operation.
POSSIBLE CAUSE
Battery defect; Logics defect.
CHECKS
Disconnect battery, measure voltage at battery
connector terminal. Voltage must be higher
than 40 volts or lower than 60 volts.
Voltage OK
Wrong voltage
With key on, seat switch and line contactor
closed, measure voltage at DP-1.
Battery voltage
No battery voltage
Repair or replace wire.
Check battery connections;
Replace battery.
Replace logics.
Содержание B20S-3
Страница 3: ......