Danfoss VLT AutomationDrive FC 360 Programming Guide

Programming Guide | VLT® AutomationDrive FC 360
Table 25: Warnings and Alarms Code List (continued)
Number Description Warning Alarm Trip lock Cause
89 Mechanical brake slid-
ing
X – – The motor speed feedback is bigger than 10 RPM during
torque building time before brake is open.
90 Feedback monitor X X – A feedback fault is detected by option B.
95 Broken belt X X – –
99 Locked rotor – X – –
102 Speed monitor X X – A speed fault is detected when the motor overspeeds.
This is only available in flux control mode. This func-
tion can be enabled/disabled in parameter 4-43 Speed
Monitor Function.
120 Position control fault – X – –
127 Back EMF too high
2)(2)
X – – Try to start PM motor which is rotating in an abnormal
high speed.
157 Power Limit Motor X – – The output power exceeds the value defined in
parameter 4-82 Power Limit Motor Mode.
158 Power Limit Generator X – – The output power exceeds the value defined in
parameter 4-83 Power Limit Generator Mode.
250 New spare part – X X –
251 New type code – X X –
1) These faults may be caused by mains distortions. Installing a Danfoss line filter may rectify this problem.
2) For enclosure size J7, the warning can also be caused by high UDC voltage.
5.1.6 Alarm Word, Warning Word, and Extended Status Word
For diagnosis, read out the alarm words, warning words, and extended status words, which can be accessed via fieldbus or optional
fieldbus.
Table 26: Description of Alarm Word
Bit Hex Dec Alarm word Alarm word 2 Alarm word 3
Parameter 16-90 Alarm Word Parameter 16-91 Alarm Word
2
Parameter 16-97 Alarm Word
3
Alarm Word Extended Status Word
0 00000001 1 Brake check (A28) – STO Function Fault
1 00000002 2 Pwr.card temp (A69) Gate drive voltage fault Memory module fault
2 00000004 4 Earth fault (A14) Servicetrip, typecode/spare
part
Internal fan error
3 00000008 8 Ctrl.card temp (A65) Sparepart Sync. fault
4 00000010 16 Ctrl. word TO (A17) IllegalFCConfig OPM fault
5 00000020 32 Overcurrent (A13) – Speed monitor
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Danfoss VLT AutomationDrive FC 360 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 360
Category	DC Drives
Language	English