4.6.4 Troubleshooting instructions
If misoperation of the vehicle or trouble of electronic control occurs, a state code will
be displayed on the instrument. With the status code number, follow the procedures
outlined in the status code instruction sheets to determine the problem.
Forward directional switch is closed when initial power on.
Reverse directional switch is closed when initial power on.
Start switch or brake switch fails to close.
Accelerator depressed with no direction selected.
Too high input voltage of accelerator
Accelerator input voltage too low when power up after initial key switch
closure.
Both the forward and reverse directional switches are closed at the
same time.
Start switch closed when power up after initial key switch closure.
Battery voltage is too low or control card is miss-adjusted.
Battery voltage is too high or control card is miss-adjusted.
“Control card type” selection is invalid.
Motor field current is high when start up in the reverse direction.
Motor field current is high when start up in the forward direction.
Control’s power supply is less than 10 Volt DC.
Motor field current is too high during the run mode.
Open thermal protector (TP) or transistor over temperature.
Motor armature offset voltage is too high.
Motor armature offset voltage is too low.
Armature transistor can not turn off normally.
Armature transistor did not turn on normally.
“Look Ahead” test for A2 volts is less than 12% of battery voltage.
Motor field current is too low during the run mode.
Capacitor volts are low before the contactor closes.
Controller “motor current sensor” input voltage is too low during
running.
The line drive input is less than 12% of battery voltage.
The line coil current is too high during the run mode.
The field current exceeds the current limit of field transistor.
The armature current exceeds the armature transistor limit.
The power steering coil current is too high during the run mode.
Capacitor (1C) voltage too high.
Motor current is detected during regenerative braking.
If the armature motor current is greater than 450 amps for longer than
3.5 seconds, the armature motoring current will be turned off.