12.10.122 Fault 52 - Keypad communication fault
Cause
The connection between the control panel (or VACON
®
NCDrive) and the drive is defective.
Troubleshooting
Do a check of the control panel connection and the control panel cable.
12.10.123 Fault 53 - Fieldbus fault
Cause
The data connection between the fieldbus master and the fieldbus board is defective.
Troubleshooting
•
Do a check of the installation and fieldbus master.
•
If the installation is correct, ask instructions from the local distributor.
12.10.124 Fault 54 - Slot fault
Cause
Defective option board or slot.
Troubleshooting
•
Do a check of the board and slot.
•
Ask instructions from the local distributor.
12.10.125 Fault 56 - Measured Temperature
Cause
Shows temperature measurement fault for option board OPTBH or OPTB8.
•
Temperature exceeded set limit.
•
Sensor disconnected.
•
Short circuit.
Troubleshooting
Find the cause of temperature rise.
12.10.126 Fault 57 - Identification
Cause
Identification run has failed.
Specifications
Operating Guide | VACON® NX Inverters FI4-FI8
AQ299433367205en-000101 / DPD00908| 157
Danfoss A/S © 2019.07
Summary of Contents for VACON NX FI4
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