Warnings And Alarms - Danfoss VLT DeviceNet MCA 104 Programming Manual

Troubleshooting

8.4 Warnings and Alarms

NOTICE
Refer to the relevant operating instructions for an overview of warning and alarm types and for the full list of warnings
and alarms.
Alarm word, warning word, and DeviceNet warning word are shown on the frequency converter display in hex format. When
there is more than 1 warning or alarm, the sum of all warnings or alarms is shown. Alarm word, warning word, and
DeviceNet warning word can also be shown using the serial bus in parameter 16-90 Alarm Word, parameter 16-92 Warning
Word, and parameter 16-05 Main Actual Value [%].
Bit (Hex)
00000001
00000002
00000004
00000008
00000010
00000020
00000040
8 8
00000080
00000100
00000200
00000400
00000800
00001000
00002000
00004000
00008000
00010000
00020000
00040000
00080000
00100000
00200000
00400000
00800000
01000000
02000000
04000000
08000000
10000000
20000000
40000000
80000000
Table 8.15 Alarm Word
44
VLT
Alarm word
(parameter 16-90 Alarm Word)
Unused
Drive overtemperature
Ground fault
Unused
Control word timeout
Overcurrent
Torque limit
Motor thermistor over temp.
Motor ETR overtemperature
Inverter overloaded
DC link undervoltage
DC link overvoltage
Short circuit
Inrush fault
Mains phase loss
AMA not OK
Live zero error
Internal fault
Brake resistor power limit
Motor phase U is missing
Motor phase V is missing
Motor phase W is missing
Fieldbus comm. fault
24 V supply fault
Mains failure
1.8 V supply fault
Brake resistor short circuit
Brake chopper fault
Unused
Unused
Unused
Unused
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®
DeviceNet MCA 104
Alarm number
–
29
14
–
18
13
12
11
10
9
8
7
16
33
4
50
2
38
26
30
31
32
34
47
36
48
25
27
–
–
–
–
Major/ Recoverable/
minor alarm unrecoverable alarm
– –
Major Recoverable
Major Unrecoverable
– –
Minor Recoverable
Major Unrecoverable
Major Recoverable
Major Recoverable
Major Recoverable
Major Recoverable
Major Recoverable
Major Recoverable
Major Unrecoverable
Major Recoverable
Major Unrecoverable
Major Recoverable
Major Recoverable
Major Unrecoverable
Major Unrecoverable
Major Unrecoverable
Major Unrecoverable
Major Unrecoverable
Major Recoverable
Major Unrecoverable
Major Recoverable
Major Unrecoverable
Major Recoverable
Major Recoverable
– –
– –
– –
– –
MG92F102