29
1212 MOTOR CONTROLLER
LED
LED
Error Message
SLINKS SLINKS
EXPLANATION Possible
cause
digitl digit
2
Errortext
1
1 THERMAL
FAULT
over-/under-temperature
cutback
1. Temperature >80°C or <
-10°C.
2. Excessive load on vehicle.
3.0peration in extreme
environments.
4.
Electromagnetic
brake
not
releasing.
1.
Throttle input wire open or
1
2
THROTTLE FAULT
PotLow and/or PotWiper shorted.
out of range
2.Throttle pot detective.
3.Wrong throttle type selected.
1
3
SPEED POT FAULT
speed limit pot wiper out of
range
1.
Speed limit pot wire(s) braken
or shorted.
2.
Broken speed limit pot.
1
4
UNDERVOLTAGE
FAULT
1. Battery voltage <17 volts.
battery voltage too low
2. Bad connection at battery or
controller.
OVERVOLTAGE
1 5
battery voltage too high
1. Battery voltage >31 volts.
2. Vehicle operating with charger
attached.
3.lntermittent battery connection.
main contactor driver Off 1.Main contactor driver failed
fault open.
1.Main contactor welded or stuck
main contactor fault
open.
2. Main contactor driver fault.
main contactor driver On 1.Main contactor driver failed
fault
closed.
FAULT
2
1
MAIN
OFF FAULT
2
3
MAIN
FAULT
2
4
MAIN ON
FAULT
