Danfoss VLT AutomationDrive FC 360 Programming Manual page 311

Programming Guide | VLT® AutomationDrive FC 360
Table 25: Warnings and Alarms Code List (continued)
Number Description
89 Mechanical brake slid-
ing
90 Feedback monitor
95 Broken belt
99 Locked rotor
102 Speed monitor
120 Position control fault
127 Back EMF too high
157 Power Limit Motor
158 Power Limit Generator
250 New spare part
251 New type code
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.
Alarm Word, Warning Word, and Extended Status Word
5.1.6
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 Extended Status Word
0 00000001 1
1 00000002 2
2 00000004 4
3 00000008 8
4 00000010 16
5 00000020 32
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Warning Alarm
X –
X X
X X
– X
X X
– X
(2)
X –
X –
X –
– X
– X
Alarm word
Parameter 16-90 Alarm Word
Brake check (A28)
Pwr.card temp (A69)
Earth fault (A14)
Ctrl.card temp (A65)
Ctrl. word TO (A17)
Overcurrent (A13)
Trip lock Cause
– The motor speed feedback is bigger than 10 RPM during
torque building time before brake is open.
– A feedback fault is detected by option B.
– –
– –
– 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.
– –
– Try to start PM motor which is rotating in an abnormal
high speed.
– The output power exceeds the value defined in
parameter 4-82 Power Limit Motor Mode.
– The output power exceeds the value defined in
parameter 4-83 Power Limit Generator Mode.
X –
X –
Alarm word 2
Parameter 16-91 Alarm Word
2
–
Gate drive voltage fault
Servicetrip, typecode/spare
part
Sparepart
IllegalFCConfig
–
Alarm word 3
Parameter 16-97 Alarm Word
3
STO Function Fault
Memory module fault
Internal fan error
Sync. fault
OPM fault
Speed monitor
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