EKKO EB12E-119 - Controller fault code display

8
B. Controller fault code display
Table 4: 1212P fault code
Programmer
display
Code
Failure phenomenon
Troubleshooting
BATTERY
DISCONNECT
FAULT
4.5
Battery disconnected
1) Battery not connected
2) Poor connection to battery
terminals
BRAKE OFF
FAULT
3.4
BRAKE OFF FAULT
1) Electromagnetic brake coil
shorted
2) Electromagnetic brake driver
open
BRAKE ON FAULT
3.2
BRAKE ON FAULT
1) Electromagnetic brake coil open
2) Electromagnetic brake driver
shorted
CURRENTSENSE
FAULT
4.1
CURRENTSENSE out
of range
1) Short in motor or in motor wiring
2) Controller failure
EEPROM
CHECKSUM
FAULT
4.3
EEPROM fault
1) EEPROM failure or fault
HARDWARE
FAILSAFE
4.2
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
HPD FAULT
3.5
HPD fault
1) Improper sequence of throttle
and KSI, push, or inhibit inputs
2) Misadjusted throttle pots.
MAIN FAULT
2.3
Main contractor fault
1) Main contractor welded or stuck
open
2) Main contractor driver fault
MAIN OFF FAULT
2.1
Main contractor driver
off fault
1) Main contractor driver failed open
MAIN ON FAULT
2.4
Main contractor driver
on fault
1) Main contractor driver failed
Closed
OVERVOLTAGE
FAULT
1.5
Battery voltage too high
1) battery voltage >31V
2) Truck operating with charger
attached
3) intermittent battery connection
PRECHARGE
FAULT
3.3
Pre-charge fault
1) Controller failure
2） Battery low voltage