The OCC AC motor driver detects an unusual overcurrent surge on the output side
See if the motor extra matches the communication motor drive extra
Check whether there is a short circuit between the communication motor driver U-V-W
Check whether there is a short circuit or grounding in the connection with the motor
Check whether the screws of the motor driver and motor are loose, lengthened, and accelerated at the moment
Check to see if the motor is overloaded
The OU communication motor driver detects the occurrence of overvoltage on the internal DC high-voltage side
Check whether the input voltage is within the additional input voltage range of the AC motor driver, and monitor whether there is a surge voltage
If the voltage on the DC high-voltage side of the AC motor driver is too high due to the motor inertia rising voltage, the deceleration room can be lengthened or a braking resistor can be installed (optional)
The OH AC motor driver detects that the internal temperature is too high and exceeds the maintenance level
Check to see if the ambient temperature is too high
Check the heatsink for foreign objects. Whether the fan is rolling or not
Check to see if there is enough ventilation space for the communication motor drive
The LU communicates that the DC high side inside the motor driver is too low
Check whether the input power supply voltage is normal
Check whether the load has a sudden heavy load, whether the three-phase single-phase power supply is in-force or under-phase
The OL output current exceeds the current acceptable by the AC motor driver, and is acceptable for 60 seconds if 150% of the additional current is output from the AC motor driver.
Check if the motor is overloaded
Reduced (07-02) torque, increased setpoint, increased communication motor driver output capacity
OL1 internal electronic thermodynamic post maintenance action
Check to see if the motor is overloaded
Check (07-00) if the additional current value of the motor is appropriate
Check the function settings of the electronic thermoelectric station
Add motor capacity
OL2 internal electronic thermodynamic post maintenance action
Check to see if the motor is overloaded
Check (07-00) if the additional current value of the motor is appropriate
Check the function settings of the electronic thermoelectric station
Add motor capacity
HPF.1 controller hardware maintenance circuit is abnormal, please send it back to the original factory
HPF.2 Controller Hardware Maintenance Circuit Abnormality CC (Current Clamping) Hardware Maintenance Circuit Abnormality, please send it back to the original factory
HPF.3 controller hardware maintenance circuit is abnormal OC hardware maintenance line abnormal, please send it back to the original factory
HPF.4 controller hardware maintenance circuit is abnormal, please send it back to the original factory
bb when the external multi-function input terminals (MI1 - MI6) are set
When it is functional, the communication motor driver aborts the output and the eradication signal source "bb" disappears immediately
OCA accelerates medium overcurrents
Check whether the screws communicating the motor driver and motor are loose
Check whether the wiring from U-V-W to the motor is poorly insulated
Add a speeding moment
Reduce (7-02) torque and increase the setpoint
Replace a larger output capacity communication motor driver
Overcurrent occurs during OUD deceleration
Check whether the wiring from U-V-W to the motor is poorly insulated
The deceleration time is extended
Replacement of large output capacity communication motor drivers
Overcurrent occurs during OCN operation
Check whether the wiring from U-V-W to the motor is poorly insulated
Check whether the motor is stalled
Replacement of large output capacity communication motor drivers
When the external EF terminal is closed, communicate with the motor driver to abort the output and eliminate the source of the fault, and then press the "RESET" button
EF When the external multi-function input terminals (MI1 – MI6) are set tightly
When EF1 is aborted urgently, the communication motor driver aborts the output After eradicating the source of the problem, press the "RESET" button
CF1 internal memory IC material writing abnormally sent to the factory for repair
CF2 Internal Memory IC Material Reading Abnormality Press the RESET key to reset the parameters to factory settings, if the method is invalid, send it to the factory for repair
CF3.3 Communication Motor Driver Detection Line Abnormality U-phase current sensor abnormality, please send it to the factory for repair
CF3.4 Communication Motor Driver Detection Line Abnormality V-phase current sensor abnormality, please send it to the factory for repair
CF3.5 AC Motor Driver Detection Line Abnormality W-phase current sensor abnormality, please send it to the factory for repair
CF3.6 Communication Motor Driver Detection Line Abnormality DC Voltage Measurement (DC-BUS) Detection Line Abnormality, Please send it to the factory for repair
CF3.7 Communication Motor Driver Detection Line Abnormality Isum Analog/Digital Line Abnormality, please send it to the factory for repair
CF3.8 Communication Motor Driver Detection Circuit Abnormality Abnormal temperature sensor, please send it to the factory for repair
GFF Grounding Maintenance Line Action. When the AC motor driver detects that the output terminal is grounded and the ground current is higher than 50% of the additional current of the AC motor driver. Note: This maintenance is for the communication motor drive, not the human body.
Check whether there is a short circuit or grounding in the connection with the motor to confirm whether the IGBT power module is damaged
Check the output side wiring for poor insulation
The CFA automatic acceleration and deceleration mode failed
Communicate whether the motor drive is properly matched with the motor
The load recovery inertia is too large
The load changes are too abrupt
CE Communication Abnormality Check whether the communication signal is reversed (RJ11)
Check that the newsletter is in the correct format
CCODE software maintenance starts to show CcodE sent to the factory for repair
PcodE is revealed to be cipher-locked
ANLER analog signal faults
The PG return credit number is at fault
Check the parameterization (Pr 10-00) and the AVI/ACI route
View all possible faults between the time of system reaction and the moment of credit number detection (Pr 10-08)
Whether the PG card is wired correctly
PHR Underphase Maintenance Check if it's a three-phase input power
When the CEF external counter reaches the set point, an external anomaly error occurs
Look at the external counter trigger signal
Check the parameters Pr 03-39 and 03-11
AUE motor parameters automatically detect faults to check whether the motor is wired correctly
retry
Low Current View the load current
LC Check the parameters Pr 06-12, 06-15 settings
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