Operating instructions
MACHINE TROUBLESHOOTING- CONTROLLER FAULT CODES
86037660 CHARIOT 05/27/08
4-33
LED
CODE
PROGRAMMER LCD
DISPLAY
EXPLANATION POSSIBLE CAUSE
3,1
PROC/WIRING FAULT
HPD fault present for
>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. Low battery voltage.
2. KSI and throttle turned on at same time.
3,4
BRAKE OFF FAULT
brake Off fault
1. Electromagnetic brake driver open.
2. Electromagnetic brake coil shorted.
3,5
HPD
HPD (High Pedal
Disable) fault
1. Improper sequence of throttle and KSI,
push, or inhibit inputs.
2. Misadjusted throttle pot.
4,1
CURRENT SENSE FAULT
current sense fault
1. Short in motor or in motor wiring.
2. Controller failure. *
4,2
HW FAILSAFE
motor voltage fault
(hardware
1. Motor voltage does not correspond to throttle
request.
2. Short in motor or in motor wiring.
3. Controller failure. *
4,3
EEPROM FAULT
EEPROM fault
1. EEPROM failure or fault.
4,4
POWER SECTION FAULT
power section fault
1. EEPROM failure or fault.
2. Short in motor or in motor wiring.
3. Controller failure.