8
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
SPEED POT FAULT
1.3
Speed limited pot wiper out
of range
1)
Speed limit pot wire(s)broken or
shorted
2)
Speed limit pot wire(s)open
THERMAL FAULT
1.1
Over-/under-temperature cut
back
1)
temperature>80℃ or <-10℃
2)
Excessive load on truck
3)
Operating in extreme
environment
4)
Electromagnetic brake not
releasing
THROTTLE FAULT
1.2
Pot low and/or pot wiper out
of range
1)
Throttle input wire open or shorted
2)
throttle port defective
3)
wrong throttle type selected.
UNDERVOLTAGE
FAULT
1.4
Batter voltage too low
1)
Batter voltage<17V
2)
bad connection at battery or
controller
