Danfoss VLT AutomationDrive EZ FC 321 Programming Manual page 369

VLT® AutomationDrive EZ FC 321
Programming Guide
5.2.79 ALARM 99, Locked Rotor
Cause
The rotor is blocked.
Troubleshooting
• Check if the motor shaft is locked.
•
Check if the start current triggers the current limit set in parameter 4-18 Current Limit.
•
Check if it increases the value in parameter 30-23 Locked Rotor Detection Time [s].
5.2.80 WARNING/ALARM 101, Speed Monitor
Cause
The speed monitor is out of range.
5.2.81 WARNING/ALARM 104, Mixing Fan Fault
Cause
The fan is not operating. The fan monitor checks that the fan is spinning at power-up or whenever the mixing fan is turned on. The
mixing fan fault can be configured as a warning or an alarm in parameter 14-53 Fan Monitor.
Troubleshooting
• Cycle power to the drive to determine if the warning/alarm returns.
5.2.82 WARNING/ALARM 122, Mot. Rotat. Unexp.
Cause
The drive performs a function that requires the motor to be at standstill, for example DC hold for PM motors.
5.2.83 WARNING 123, Motor Mod. Changed
Cause
The motor selected in parameter 1-11 Motor Model is not correct.
Troubleshooting
• Check the motor model.
5.2.84 WARNING/ALARM 157, Power Limit Mot.
Cause
The output power exceeds the value defined in parameter 4-82 Power Limit Motor Mode.
5.2.85 WARNING/ALARM 158, Power Limit Gen.
Cause
The generating power exceeds the value defined in parameter 4-83 Power Limit Generator Mode.
5.2.86 WARNING/ALARM 210, Position Tracking
Cause
The actual position error exceeds the value in parameter 4-71 Maximum Position Error. Parameter 4-70 Position Error Function defines
whether this is a warning or an alarm.
5.2.87 WARNING/ALARM 211, Position Limit
Cause
The position is outside the limits defined in parameter 3-06 Minimum Position and parameter 3-07 Maximum Position. Parameter 4-73
Position Limit Function defines the function for this warning/alarm.
5.2.88 WARNING/ALARM 212, Homing not Done
Cause
A homing function is selected in parameter 17-80 Homing Function and absolute positioning is executed before homing is comple-
ted.
5.2.89 ALARM 213, Homing Timeout
Cause
Homing was started but did not finish within the time defined in parameter 17-85 Homing Timout.
Danfoss A/S © 2021.08
Troubleshooting
AU373327181955en-000101 / 130R1208 | 369