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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
.
AU373327181955en-000101 / 130R1208 | 369
Danfoss A/S © 2021.08
Troubleshooting
VLT® AutomationDrive EZ FC 321
Programming Guide