37
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
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 corre-
spond 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.
86037810 Chariot iVacuum
