Danfoss VACON NXS Series Operating Manual page 230

Operating Guide | VACON® NXS/NXP Air-cooled
12.10.124 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.
12.10.125 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.
12.10.126 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.
12.10.127 Fault 57 - Identification
Cause
Identification run has failed.
This fault is type A fault (Alarm).
Troubleshooting
• Run command was removed before completion of identification run.
• The motor is not connected to the AC drive.
• There is load on motor shaft.
230 | Danfoss A/S © 2020.02
Specifications
AQ275638903263en-000301 / DPD00910