Danfoss VACON NX FI6 Operating Manual page 158

Operating Guide | VACON® NX Inverters FI4-FI8
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.
12.10.127 Fault 58 - Brake
Cause
Actual status of the brake is different from the control signal.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Troubleshooting
Do a check of the mechanical brake state and connections.
12.10.128 Fault 59 - Follower communication
Cause
SystemBus or CAN communication is broken between Master and Follower.
Troubleshooting
• Do a check of the option board parameters.
• Do a check of the optical fiber cable or CAN cable.
12.10.129 Fault 60 - Cooling
Cause
External cooling has failed.
Normally this fault comes from the heat exchanger unit.
Troubleshooting
Do a check of the reason for the failure on the external system.
12.10.130 Fault 61 - Speed error
Cause
Motor speed is unequal to reference.
158 | Danfoss A/S © 2019.07
Specifications
AQ299433367205en-000101 / DPD00908