Noblelift FE4P50N, Руководство по эксплуатации и обслуживанию

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4.4 Failure analysis
1232SE/1234SE Controller fault table and diagnostics guide
Code display on
the programmer
Code
display on
the
instrument
Troubleshoot Fault cause
Controller
Overcurrent
1.2 controllercurrentoverload
1
、
motor outside U,V or
Wconnection shour current
2
、
motor parameter mismatching
3
、
controller failure
Current Sensor
Fault
1.3 Current sensor failure
1
，
motor U
、
V
、
W truck circuit
，
lead
to current leakage
2
，
controller failure
Precharge Failed 1.4 Precharge failure 1
，
battery can’t chagge
Controller Severe
Undertemp
1.5
Controller temperature
too low
1
，
The controller working
environment is too harsh
Controller Severe
Overtemp
1.6
Controller temperature
too high
1
，
The controller working
environment is too harsh
2
，
truck overloaded
3
，
the controller is wrongly
assembled
Severe
Undervoltage
1.7 Voltage too low
1
，
battery parameter is wrongly
setted
2
，
non controller system power
consumption
3
，
The battery impedance is too
large
4
，
battery connection is
disconnected
5
，
the fuse is disconnected, or
main contactor is not connected
Severe
Overvoltage
1.8 Voltage too high
1
，
Battery parameter is wrongly
setted
2
，
The battery impedance is too
large
3
，
Regenerative braking when the
battery connection is disconnected
Controller
Overtemp
Cutback
2.2
Controller temperature
too high, as a result the
performance is not good
1, The controller working
environment is too harsh
2
，
truck overloaded
3
，
the controller is wrongly
assembled
Undervoltage
Cutback
2.3
Voltage too low, as a
result the performance is
not good
1
，
battery power is insufficient
2
，
Battery parameter is wrongly
setted
3
，
non controller system power
consumption
4
，
The battery impedance is too