Warnings And Alarms - Danfoss VLT PROFIBUS DP MCA 101 Programming Manual

Troubleshooting

8.3 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 PROFIBUS 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
PROFIBUS warning word can also be shown using the fieldbus in parameter 16-90 Alarm Word, parameter 16-92 Warning
Word, and parameter 9-53 Profibus Warning Word.
Bit (hex)
00000001
00000002
00000004
00000008
00000010
00000020
8 8
00000040
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 8.13 Parameter 16-90 Alarm Word
56
®
VLT PROFIBUS DP MCA 101
Dec Unit
diagnose bit
1 48
2 49
4 50
8 51
16 52
32 53
64 54
128 55
256 40
512 41
1024 42
2048 43
4096 44
8192 45
16384 46
32768 47
65536 32
131072 33
262144 34
524288 35
1048576 36
2097152 37
4194304 38
8388608 39
16777216 24
33554432 25
67108864 26
134217728 27
268435456 28
536870912 29
1073741824 30
2147483648 31
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Alarm word (parameter 16-90 Alarm
Word)
Brake check
Power card overtemperature
Earth fault
Control card over temperature
Control word timeout
Over current
Torque limit
Motor thermistor over temp.
Motor ETR over temperature
Inverter overloaded
DC-link undervoltage
DC-link overvoltage
Short circuit
Inrush fault
Mains phase loss
AMA not OK
Live zero error
Internal fault
Brake overload
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
Option change
Drive initialisation
Safe stop
Mechanical brake low
Alarm word 2 Alarm
number
ServiceTrip, Read/Write
ServiceTrip (reserved)
ServiceTrip, Typecode/
Sparepart
ServiceTrip (reserved)
ServiceTrip (reserved)
–
–
–
–
–
–
–
–
–
–
–
–
KTY error
Fans error
ECB error
–
–
–
–
–
–
–
–
–
–
PTC 1 Safe Stop (A71)
Dangerous Failure (A72)
MG37G202
28
29
14
65
18
13
12
11
10
9
8
7
16
33
4
50
2
38
26
30
31
32
34
47
36
48
25
27
67
80
68
63