Danfoss VACON NXP IP00 Operating Manual page 153

VACON® NXP IP00 Drive Modules
Operating Guide
Troubleshooting
• Set the deceleration time longer.
• Use the brake chopper or the brake resistor. They are available as options.
• Activate the overvoltage controller.
• Do a check of the input voltage.
12.12.6 Fault 3 - Earth fault
Cause
The measurement of current tells that the sum of the motor phase current is not zero.
• Insulation malfunction in the cables or in the motor.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Troubleshooting
Do a check of the motor cables and the motor.
12.12.7 Fault 5 - Charging switch
Cause
The charging switch is open, when the START command is given.
• Operation malfunction
• Defective component
Troubleshooting
• Reset the fault and start the drive again.
• If the fault shows again, ask instructions from the local distributor.
12.12.8 Fault 6 - Emergency stop
Cause
Stop signal has been given from the option board.
Troubleshooting
Do a check of the emergency stop circuit.
12.12.9 Fault 7 - Saturation trip
Cause
• Defective component
• Brake resistor short circuit or overload
Troubleshooting
This fault cannot be reset from the control panel.
• Switch off the power.
• DO NOT RESTART THE DRIVE OR CONNECT THE POWER!
• Ask instructions from the factory. If this fault shows at the same time with Fault 1, do a check of the motor cable and the motor.
12.12.10 Fault 8 - System fault, Subcode S1 - ASIC phase feedback
Cause
• Operation malfunction
• Defective component
Troubleshooting
• Reset the fault and start the drive again.
• If the fault shows again, ask instructions from the local distributor.
Danfoss A/S © 2023.09
Specifications
AQ351737303996en-000201 / DPD00888 | 153