Danfoss VLT® Refrigeration Drive FC 103 Troubleshooting

Fault/Alarm Code and Meaning
WARNING 1
10 Volts low
WARNING/ALARM 2
Live zero error
WARNING/ALARM 3
No motor
WARNING/ALARM 4
Mains phase loss
WARNING 5
DC link voltage high
WARNING 6
DC link voltage low
WARNING/ALARM 7
DC over voltage
WARNING/ALARM 8
DC under voltage
WARNING/ALARM 9
Inverter overloaded
WARNING/ALARM 10
Motor ETR over temperature
WARNING/ALARM 11
Motor thermistor over temp
WARNING/ALARM 12
Torque limit
WARNING/ALARM 13
Over Current
ALARM 14
Earth fault
ALARM 15
Incomplete hardware
ALARM 16
Short-circuit
WARNING/ALARM 17
Control word timeout
ALARM 18
Start Failed
WARNING 19
Discharge Temperature High
ALARM 19
Discharge Temperature High
WARNING 23
Internal fans
WARNING 24
External fan fault
WARNING/ALARM 29
Drive over temperature
ALARM 30
Motor phase U missing
ALARM 31
Motor phase V missing
ALARM 32
Motor phase W missing
ALARM 33
Inrush fault
WARNING/ALARM 34
Fieldbus communication fault
WARNING/ALARM 36
Mains failure
ALARM 38
Internal fault
WARNING 40
Overload of Digital Output Terminal 27
WARNING 41
Overload of Digital Output Terminal 29
WARNING 42
Overload of Digital Output On X30/6 or X30/7
WARNING 47
24 V supply low
ALARM 48
1.8 V supply low
WARNING 49
Speed limit
ALARM 50
AMA calibration failed
ALARM 51
AMA check Unom and Inom
ALARM 52
AMA low Inom
ALARM 53
AMA motor too big
ALARM 54
AMA motor too small
ALARM 55
AMA par. out of range
ALARM 56
AMA interrupted by user
ALARM 57
AMA timeout
WARNING/ALARM 58
AMA internal fault
WARNING 59
Current limit
WARNING 60
External Interlock
WARNING 62
Output Frequency at Maximum Limit
WARNING 64
Voltage Limit
WARNING/ALARM/TRIP 65
Control Card Over Temperature
WARNING 66
Heatsink Temperature Low
ALARM 67
Option Configuration has Changed
ALARM 68
Safe Stop
ALARM 70
Illegal Frequency Converter Configuration
ALARM 80
Drive Initialized to Default Value
WARNING/ALARM 92
NoFlow
WARNING/ALARM 93
Dry Pump
WARNING/ALARM 94
End of Curve
WARNING/ALARM 95
Broken Belt
WARNING 96
Start Delayed
WARNING 97
Stop Delayed
WARNING 98
Clock Fault
ALARM 250
New Spare Part
ALARM 251
New Type Code