Kelvin Mini Series, Инструкция по техническому обслуживанию

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18
Chapter 9 Fault analysis
ʤ Programmer fault diagnosis menu and status display LED ʥ
LED
display
code
Programmer display
Fault
phenomenon
Fault reason
1,2 HW FAILSAFE
Hardware invalid
protection error
1.Controller damage
1,3 M-FAULT
M-output short
circuit
1.M-output to ground short circuit
2.The directional contactor does not have
actuation
3.The actuation speed of direction
contactor is too slow
1,4 SRO SRO fault
1.Key switch, braking and direction input
order is not correct
2.SRO type wrong choice
3.Braking and direction switch line open
circuit
4.The sequential delay is too short
2,1
THROTTLE FAULT
1
Accelerator fault
1.Accelerator input line open circuit
2.Accelerator input line to ground or B+
short circuit
3.Accelerator potentiometer fault
4.Wrong accelerator type choice
2,2 BB WIRING CHECK
Emergency
reverse connection
line fault
1.BB connection line open circuit
2.BB detection line open circuit
2,3 HPD
HPD sequence
fault
1.KSI
ɾ
Brake and accelerator input
sequence is not correct
2.Wrong HPD type choice
3.Wrong accelerator potentiometer
adjustment choice
2,4
THROTTLE FAULT
2
Low end break or
short circuit of
potentiometer
1.Accelerator low end connection line
open circuit
2.Accelerator low end connection line
short circuit
3.Wrong accelerator type choice
3,1 CONT DRVR OC
The drive outputs
overflows
1.Commutator contactor coil short circuit
2.Shunt field short circuit
3,2 DIR CONT WELDED Commutator
contactor adhesion
1.The Commutator contactor contacts
close
3,4
MISSING
ONTACTOR
No finding
contactor
1.Commutator contactor coil open circuit
2.Commutator contactor coil lost
3.Shunt field open circuit
4.Connection commutator contactor or
shunt field open circuit
4,1
LOW BATTERY
VOLTAGE
Battery voltage is
too low
1.Battery voltage <16V
2.Battery terminal corrode or loosen
3.Controller terminal loose
4,2 OVER VOLTAGE
Battery voltage is
too high
1.Battery voltage >33V
2.Charger still connects when in operation