
36
Maintenance
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 mecha-
nism.
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.
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 (hard-
ware)
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.
86345050 Chariot Burnisher
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