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6.6.2 Alarm/Warning Identication Tables

Number Description Warning Alarm/trip Alarm/trip

lock

1 10 V low X – –

2 Live zero error (X) (X) –

3 No motor (X) – –

4 Mains phase loss (X) (X) (X)

5 DC-link voltage high X – –

6 DC-link voltage low X – –

7 DC overvoltage X X –

8 DC undervoltage X X –

9 Inverter overloaded X X –

10 Motor overtemperature (X) (X) –

11 Motor thermistor overtemperature (X) (X) –

12 Torque limit X X –

13 Overcurrent X X X

14 Ground fault X X X

15 Hardware mismatch – X X

16 Short circuit – X X

17 Control word timeout (X) (X) –

18 Start failed – X –

19 Discharge temperature high X X –

20 Temperature input error X X –

21 Parameter error X X –

22 Hoist mechanical brake (X) (X) –

23 Internal fan fault X – –

24 External fan fault X – –

25 Brake resistor short circuit X – –

26 Brake resistor power limit (X) (X) –

27 Brake chopper fault X X –

28 Brake check failed (X) (X) –

29 Heat sink temp X X X

30 Motor phase U missing (X) (X) (X)

31 Motor phase V missing (X) (X) (X)

32 Motor phase W missing (X) (X) (X)

33 Inrush fault – X X

34 Fieldbus communication fault X X –

35 Option fault (X) – –

36 Mains failure X X –

37 Phase imbalance – X –

38 Internal fault – X X

39 Heat sink sensor – X X

40 Overload of digital output terminal 27 (X) – –

41 Overload of digital output terminal 29 (X) – –

42 Overload X30/6 or X30/7 (X) – –

43 External supply – X –

45 Ground fault 2 X X X

46 Power card supply – X X

47 24 V supply low X X X

48 1.8 V supply low – X X

49 Speed limit X – –

50 AMA calibration failed – X –

51 AMA check U

nom

and I

nom

– X –

Troubleshooting

VLT

FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9

Brand	Danfoss
Model	VLT AHF 005
Category	DC Drives
Language	English

Danfoss VLT AHF 005 Service Guide

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