Danfoss VACON NX FI6, Руководство по эксплуатации

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12.10.6 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.
12.10.7 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.
12.10.8 Fault 6 - Emergency stop
Cause
Stop signal has been given from the option board.
Troubleshooting
Do a check of the emergency stop circuit.
12.10.9 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.
Specifications Operating Guide | VACON® NX Inverters FI4-FI8
AQ299433367205en-000101 / DPD00908
128 | Danfoss A/S © 2019.07