REV. 07/2020
3
H
LED
BLINKS
digit 1
LED
BLINKS
digit 2
Error Message
EXPLANATION
Possible cause
Error text
3
1
WIRING FAULT
HPD fault present >10
sec.
1.Misadjusted throttle.
2.Broken throttle pot or
throttle mechanism.
3
2
BRAKE ON FAULT
brake On fault
1.Electromagnetic brake
driver shorted.
2.Electromagnetic brake coil
open.
3
3
PRECHARGE FAULT
precharge fault
1. Brake driver shorted.
2. Precharge circuit damaged.
3. MOSFET failure.
3
4
BRAKE OFF FAULT
brake Off fault
1.Electromagnetic brake
driver open.
2.Electromagnetic brake coil
shorted.
3
5
HPD FAULT
HPD (High Pedal
Disable)
1. Improper sequence of
throttle and KSI,push, or
inhibit inputs.
2. Misadjusted throttle pot.
4
1
CURRENT SENSE
FAULT
current sense out of
range
1.Short in motor or in motor
wiring.
2. Controller failure.
★
4
2
HARDWARE
FAILSAFE
motor voltage out of
range
1.Motor voltage does not
correspond to throttle request.
2.Short in motor or in motor
wiring.
3. Controller failure.
★
4
3
EE CHECKSUM
FAULT
EEPROM fault
1. EEPROM failure or fault.
4
5
BATTERY
DISCONNECT FAULT
battery disconnected
1. Battery not connected.
2.Poor connection to battery
terminals.