Name: Danfoss VLT HVAC Basic Drive FC 101
Brand: Danfoss
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No. Description Warning Alarm Trip Lock Parameter Reference

32 Motor phase W missing – (X) (X) Parameter 4-58 Missing Motor

Phase Function

38 Internal fault – X X –

44 Ground fault 2 – X X –

46 Gate drive voltage fault – X X –

47 24 V supply low – X X –

50 AMA calibration failed – X – –

51 AMA check U

nom

and I

nom

– X – –

52 AMA low I

nom

– X – –

53 AMA motor too large – X – –

54 AMA motor too small – X – –

55 AMA parameter out of range – X – –

56 AMA interrupted – X – –

57 AMA time-out – X – –

58 AMA internal fault X X – –

59 Current limit X – – –

60 External interlock – X – –

66 Heat sink temperature low X – – –

69 Power card temperature X X X –

79 Illegal PS cong X X – –

80 Frequency converter initialised to default value – X – –

84 LCP error X – – –

87 Auto DC brake X – – –

92 No-Flow (X) (X) – Parameter 22-23 No-Flow

Function

95 Broken belt X X – Parameter group 22-6* Broken

Belt Detection

99 Locked rotor – X X –

126 Motor rotating – X – –

127 Back EMF too high X – – –

201 Fire mode X – – –

202 Fire mode limits exceeded X – – –

250 New spare parts – X X –

251 New type code – X X –

Table 4.1 Alarm/Warning Code List

(X) Dependent on parameter

A trip is the action when an alarm has appeared. The trip coasts the motor and can be reset by pressing [Reset] or via a

digital input (parameter group 5-1* Digital Inputs [1]). The original event that caused an alarm cannot damage the frequency

converter or cause dangerous conditions. A trip lock is an action when an alarm occurs, which may cause damage to the

frequency converter or connected parts. A trip lock situation can only be reset by a power cycling.

Warning yellow

Alarm ashing red

Table 4.2 LED Indication

The alarm words, warning words, and extended status words can be read out via eldbus or optional eldbus for diagnosis.

See also parameter 16-90 Alarm Word, parameter 16-92 Warning Word, and parameter 16-94 Ext. Status Word.

Troubleshooting Programming Guide

4 4

Brand	Danfoss
Model	VLT HVAC Basic Drive FC 101
Category	DC Drives
Language	English

Danfoss VLT HVAC Basic Drive FC 101 Programming Guide

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