80
80
3.2.4 Fault code table
3.2.4 Fault code table
This fault codes
This fault codes provide the following information:
provide the following information:
–
–
Fault code
Fault code
–
–
Display fault name on the Curtis programmer
Display fault name on the Curtis programmer
–
–
Display caused by the fault
Display caused by the fault
–
–
Probable fault reason
Probable fault reason
–
–
Fault deep reason
Fault deep reason
–
–
Troubleshooting
Troubleshooting
When there is fault, if
When there is fault, if it’s affirmed not the wiring error or truck malfunction, you can
it’s affirmed not the wiring error or truck malfunction, you can try to restart
try to restart
through key switch. If fault still exists, please turn down key switch, check if the connector of pin
through key switch. If fault still exists, please turn down key switch, check if the connector of pin
35 connects right or gets dirt, after repair and clean ,
35 connects right or gets dirt, after repair and clean , reconnect, and then start again.
reconnect, and then start again.
Fault code table
Fault code table
Code
Code
Programmer display
Programmer display
Probable fault reason
Probable fault reason
Deep fault
Deep fault
reason/troubleshooting
reason/troubleshooting
Fault display
Fault display
12
12
Controller Overcurrent
Controller Overcurrent
Motor stops working
Motor stops working
Main connector disconnects
Main connector disconnects
EM brake shutdown
EM brake shutdown
Throttle invalid
Throttle invalid
Brake
Brake
Pump stops working
Pump stops working
1. External short of phase U,V,W
1. External short of phase U,V,W
motor connections
motor connections
2. Motor parameters do not
2. Motor parameters do not
match.
match.
。
。
3. Controller malfunction
3. Controller malfunction
Reason
Reason
:
:
Phase current exceeds
Phase current exceeds
limited current
limited current
Troubleshooting
Troubleshooting
:
:
restart the key
restart the key
switch
switch
13
13
Current Sensor Fault
Current Sensor Fault
Motor stops working
Motor stops working
Main connector disconnects
Main connector disconnects
Electromagnetic brake disconnects
Electromagnetic brake disconnects
Throttle invalid
Throttle invalid
Brake, Pump stops working
Brake, Pump stops working
1. Leakage to vehicle frame from
1. Leakage to vehicle frame from
phase U,V, or W
phase U,V, or W
2. Controller malfunction
2. Controller malfunction
Reason
Reason
:
:
Deviation reads out to
Deviation reads out to
controller current
controller current sensor
sensor..
Troubleshooting
Troubleshooting
:
:
restart the key
restart the key
switch
switch
14
14
Precharge Failed
Precharge Failed
Motor stops working
Motor stops working
Main connector disconnects
Main connector disconnects
Electromagnetic brake disconnects
Electromagnetic brake disconnects
Throttle invalid
Throttle invalid
Brake
Brake
Pump stops working
Pump stops working
1. External load on positive
1. External load on positive
terminal of the capacitor that
terminal of the capacitor that
prevents
the
capacitor
from
prevents
the
capacitor
from
charging.
charging.
Reason
Reason
:
:
Key switch input voltage
Key switch input voltage
failed to charge the
failed to charge the capacitor
capacitor..
Troubleshooting
Troubleshooting
:
:
Reset or
Reset or
re-input interlock switch through
re-input interlock switch through
VCL function precharge().
VCL function precharge().
15
15
Controller Severe Undertemp
Controller Severe Undertemp
Motor stops working
Motor stops working
Main contactor disconnects
Main contactor disconnects
Electromagnetic brake disconnects
Electromagnetic brake disconnects
Throttle failure
Throttle failure
Brake
Brake
Pump stops working
Pump stops working
1.
Severe
controller
working
1.
Severe
controller
working
environment.
environment.
Reason
Reason
:
:
Radiator temperature is
Radiator temperature is
lower than -40
lower than -40
℃
℃
..
Troubleshooting
Troubleshooting
:
:
Raise the temp
Raise the temp
above -40
above -40
℃
℃
, restart the key
, restart the key
switch or interlock switch.
switch or interlock switch.
16
16
Controller Severe Overtemp
Controller Severe Overtemp
Motor stops working
Motor stops working
Main contactor disconnects
Main contactor disconnects
Electromagnetic brake disconnects
Electromagnetic brake disconnects
Throttle failure
Throttle failure
Brake, pump stops working
Brake, pump stops working
1.
Severe
controller
working
1.
Severe
controller
working
environment.
environment.
2. Truck overloads.
2. Truck overloads.
3. Incorrect controller mounting
3. Incorrect controller mounting
Reason
Reason
:
:
Radiator temperature is
Radiator temperature is
higher than 95
higher than 95
℃
℃
..
Troubleshooting
Troubleshooting
:
:
Drop the temp
Drop the temp
below 95
below 95
℃
℃
. Restart the key
. Restart the key
switch or interlock switch.
switch or interlock switch.
17
17
Severe Undervoltage
Severe Undervoltage
Too low voltage
Too low voltage
Driving torque reduce
Driving torque reduce
1. Setup error
1. Setup error of battery parameter.
of battery parameter.
2. Power consumption of non
2. Power consumption of non
controller system.
controller system.
3. Too large battery impedance.
3. Too large battery impedance.
4. Battery
4. Battery disconnects.
disconnects.
5. Fuse protector disconnect, or
5. Fuse protector disconnect, or
the main contactor disconnect.
the main contactor disconnect.
Reason
Reason
:
:
When MOSFEET axle
When MOSFEET axle
working, capacitor voltage is
working, capacitor voltage is
lower than the minimum voltage
lower than the minimum voltage
limit.
limit.
Troubleshooting
Troubleshooting
:
:
Raise
the
Raise
the
capacitor voltage.
capacitor voltage.
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