ep EPL185 - Page 47

REV. 09/2020
C4
LED
BLINKS
digit 1
LED
BLINKS
digit 2
Error Message
Explanation Possible cause
Error text
1 1 THERMAL FAULT
over-/under-
temperature cutback
1. Temperature >80°C or <
-10°C.
2. Excessive load on
vehicle.
3.Operation in extreme
environments.
4.Electromagnetic brake not
releasing.
1 2 THROTTLE FAULT
Pot Low and/or Pot
Wiper out of range
1.Throttle input wire open or
shorted.
2.Throttle pot defective.
3.Wrong throttle type
selected.
1 3 SPEED POT FAULT
speed limit pot wiper
out of range
1.Speed limit pot wire(s)
broken or shorted.
2. Broken speed limit pot.
1 4
UNDER VOLTAGE
FAULT
battery voltage too low
1. Battery voltage <17 volts.
2. Bad connection at battery
or controller.
1 5
OVER VOLTAGE
FAULT
battery voltage too high
1. Battery voltage >31 volts.
2. Vehicle operating with
charger attached.
3.Intermittent battery
connection.
2 1 MAIN OFF FAULT
main contactor driver
O󰀨 fault
1.Main contactor driver
failed open.
2 3 MAIN FAULT main contactor fault
1.Main contactor welded or
stuck open.
2. Main contactor driver
fault.
2 4 MAIN ON FAULT
main contactor driver
On fault
1.Main contactor driver
failed closed.
3 1 WIRING FAULT
HPD fault present >10
sec.
1.Misadjusted throttle.
2.Broken throttle pot or
throttle mechanism.