CodeCode
Programmer displayProgrammer display
Probable fault reasonProbable fault reason
Deep faultDeep fault
reason/troubleshootingreason/troubleshooting
Fault displayFault display
Pump stops workingPump stops working
5252
TH PDO Timeout
TH PDO Timeout
Motor stopsMotor stops
Pump stopsPump stops
Handle control button all failureHandle control button all failure
1.
1. Communication Communication failures. failures. Handle Handle damaged damaged or or poor poor contactcontact
communication circuitcommunication circuit。。
6868 VCL RunTime ErrorVCL RunTime Error
Motor stopsMotor stops
Main contactor stopsMain contactor stops
EM brake stopsEM brake stops
Accelerator stopAccelerator stopss
Interlock stopsInterlock stops
Driver 1-4 stopDriver 1-4 stop
PD stopsPD stops
BrakeBrake
Pump stopsPump stops
1. VCL runtime.1. VCL runtime. ReasonReason
：：
VCL runtime error.VCL runtime error.
TroubleshootingTroubleshooting：：Edit VCLEdit VCL
software and correct, check newsoftware and correct, check new
software to make correctsoftware to make correct
parameter matching; restart theparameter matching; restart the
key switch.key switch.
6969
External Supply Out of RangeExternal Supply Out of Range
1. External load on 5V and 12V1. External load on 5V and 12V
supplies too high or too supplies too high or too low.low.
2. Parameter error in the 2. Parameter error in the CheckingChecking
Menu, like “ExtSupply Max”Menu, like “ExtSupply Max”
，，
,“Ext,“Ext
Supply Min”Supply Min”
ReasonReason
：：
Upper limit of externalUpper limit of external
power supply(total current: 5V(pinpower supply(total current: 5V(pin
26) and 12V(pin 25) is defined by26) and 12V(pin 25) is defined by
External Supply Max and lowerExternal Supply Max and lower
limit is defined by limit is defined by External SupplyExternal Supply
MinMin
TroubleshootingTroubleshooting：：Adjust externalAdjust external
current.current.
7171 OS GeneralOS General
Motor stopsMotor stops
Main contactor stopsMain contactor stops
EM brake stopsEM brake stops
Accelerator stopAccelerator stopss
Interlock stopsInterlock stops
Driver 1-4 stopDriver 1-4 stop
PD stopsPD stops
BrakeBrake
Pump stopsPump stops
1. Inner controller invalid.1. Inner controller invalid. ReasonReason
：：
Inner controller invalid.Inner controller invalid.
TroubleshootingTroubleshooting
：：
Restart the keyRestart the key
switch.switch.
7272
PDO TimeoutPDO Timeout
Interlock stopsInterlock stops
CAN NMT State set toCAN NMT State set to
PreoperationalPreoperational
1. Time between CAN PDO1. Time between CAN PDO
messages received exceeds PDOmessages received exceeds PDO
Timeout PeriodTimeout Period
ReasonReason
：：
Time between CANTime between CAN
PDO messages receivedPDO messages received
exceeds PDO Timeout Periodexceeds PDO Timeout Period
TroubleshootingTroubleshooting：：Restart the keyRestart the key
switch, or accept CAN NMTswitch, or accept CAN NMT
messagemessage
7373
Stall DetectedStall Detected
EM brake stopsEM brake stops
Switch the control mode toSwitch the control mode to
LOS(Limited operation status)LOS(Limited operation status)
1. Motor is stalled.1. Motor is stalled.
2. Motor encoder fault.2. Motor encoder fault.
3. Wiring damaged.3. Wiring damaged.
4. Problem with power supply for4. Problem with power supply for
motor encoder.motor encoder.
ReasonReason
：：
No motor encoder isNo motor encoder is
detected.detected.
TroubleshootingTroubleshooting：：ThrottleThrottle
Command=0,MCommand=0,Motor otor RPM=0RPM=0
Restart the key switch, or detectRestart the key switch, or detect
the effective signal of motorthe effective signal of motor
encoder in LOS mode, and setencoder in LOS mode, and set
the parameter to Throttlethe parameter to Throttle
Command=0,MCommand=0,Motor otor RPM=0.RPM=0.
8787
Motor Characterization FaultMotor Characterization Fault
Motor stopsMotor stops
Main contactor stopsMain contactor stops
EM brake stopsEM brake stops
Accelerator stopAccelerator stopss
BrakeBrake
Pump stopsPump stops
1. Refer to the following code1. Refer to the following code
during motor matchingduring motor matching
：：
0=Normal0=Normal
1= Controller receives encoder1= Controller receives encoder
signal, but pulse value not defined.signal, but pulse value not defined.
Set pulse value manuallySet pulse value manually
2= Motor temperature sensor2= Motor temperature sensor
failurefailure
3= Motor high temperature cutback3= Motor high temperature cutback
failurefailure
4= Motor overtemp cutback failure4= Motor overtemp cutback failure
5= Motor low temperature 5= Motor low temperature cutbackcutback
failurefailure
ReasonReason：： Motor Motor matchingmatching
process failure.process failure.
TroubleshootingTroubleshooting
：：
Correct the faultCorrect the fault
and restart the key switch.and restart the key switch.
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