The following is a list of diagnostic codes.
Fault
Code
Description
05
Start switch fails to close.
06
Accelerator potentiometer pedal is depressed with
no direction selected.
08
Accelerator input voltage too low on power up
after initial drive mode selector switch closure.
09
Both forward and reverse direction switches are
closed at the same time.
11
Start switch closed on power up after initial drive
mode selector switch closure
15
Battery voltage is too low at initial drive mode
selector switch closure.
16
Battery voltage is too high at initial drive mode
selector switch closure.
23
Motor field current is high on start up in the
reverse direction.
24
Motor field current is high on start up in the
forward direction.
27
12V buss is too low.
41
Open thermal protector (TP) or transistor
over-temperature.
42
Motor armature offset voltage is too high.
43
Motor armature offset voltage is too low.
44
Armature transistor did not turn off properly.
45
Armature transistor did not turn on properly.
46
“Look Ahead” test for A2 volts less than 12% of
battery volts.
49
Motor field current is too low during the run mode.
51
Capacitor voltage is low before the line contactor
closes.
57
Controller “motor current sensor” input too low
while running.
75
Capacitor (1C) voltage too high during motoring
76
Capacitor (1C) voltage too high during
regenerative braking.
90Motor thermostat is open during control operation.
Instrumentation
8
