Bit (hex)
Dec
Unit
diagnose bit
Alarm word (
16-90 Alarm Word
)
Alarm word 2
Alarm no.
00000001
1
48
Brake check
ServiceTrip, Read/Write
28
00000002
2
49
Power card over temperature
ServiceTrip, (reserved)
29
00000004
4
50
Earth fault
ServiceTrip, Typecode/
Sparepart
14
00000008
8
51
Control card over temperature
ServiceTrip, (reserved)
65
00000010
16
52
Control word timeout
ServiceTrip, (reserved)
18
00000020
32
53
Over current
13
00000040
64
54
Torque limit
12
00000080
128
55
Motor thermistor over temp.
11
00000100
256
40
Motor ETR over temperature
10
00000200
512
41
Inverter overloaded
9
00000400
1024
42
DC link under-voltage
8
00000800
2048
43
DC link over-voltage
7
00001000
4096
44
Short circuit
16
00002000
8192
45
Inrush fault
33
00004000
16384
46
Mains phase loss
4
00008000
32768
47
AMA not OK
50
00010000
65536
32
Live zero error
2
00020000
131072
33
Internal fault
KTY error
38
00040000
262144
34
Brake overload
Fans error
26
00080000
524288
35
Motor phase U is missing
ECB error
30
00100000
1048576
36
Motor phase V is missing
31
00200000
2097152
37
Motor phase W is missing
32
00400000
4194304
38
Fieldbus comm. fault
34
00800000
8388608
39
24 V supply fault
47
01000000
16777216
24
Mains failure
36
02000000
33554432
25
1.8 V supply fault
48
04000000
67108864
26
Brake resistor short circuit
25
08000000
134217728
27
Brake chopper fault
27
10000000
268435456
28
Option change
67
20000000
536870912
29
Drive initialisation
80
40000000
1073741824
30
Safe stop
PTC 1 Safe Stop (A71)
68
80000000
2147483648
31
Mechanical brake low
Dangerous Failure (A72)
63
Table 8.13
16-90 Alarm Word
Troubleshooting
Programming Guide
MG37G102
Danfoss A/S © Rev. 05/2014 All rights reserved.
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