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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
2
00000004 4
Earth fault (A14)
Servicetrip, typecode/spare part
Internal fan error
3
00000008 8
Ctrl.card temp (A65)
Servicetrip, (reserved)
Sync. fault
4
00000010 16
Ctrl. word TO (A17)
Servicetrip, (reserved)
OPM fault
5
00000020 32
Overcurrent (A13)
Reserved
–
6
00000040 64
Torque limit (A12)
Reserved
Profibus converter invalid
7
00000080 128
Motor th over (A11)
Reserved
–
8
00000100 256
Motor ETR over (A10)
Reserved
–
9
00000200 512
Inverter overld. (A9)
Discharge high
–
10
00000400 1024
DC under volt (A8)
Start failed
–
11
00000800 2048
DC over volt (A7)
Speed limit
–
12
00001000 4096
Short circuit (A16)
External interlock
–
13
00002000 8192
Inrush fault (A33)
Illegal option combi.
–
14
00004000 16384
Mains ph. loss (A4)
No safety option
–
15
00008000 32768
AMA not OK
Reserved
–
16
00010000 65536
Live zero error (A2)
Reserved
–
17
00020000 131072
Internal fault (A38)
KTY error
–
18
00040000 262144
Brake overload (A26)
Fans error
–
19
00080000 524288
U phase loss (A30)
ECB error
–
20
00100000 1048576
V phase loss (A31)
Hoist mechanical brake (A22)
–
21
00200000 2097152
W phase loss (A32)
Reserved
–
22
00400000 4194304
Fieldbus fault (A34)
Reserved
–
23
00800000 8388608
24 V supply low (A47)
Reserved
–
24
01000000 16777216
Mains failure (A36)
Reserved
–
25
02000000 33554432
1.8 V supply low (A48)
Current limit (A59)
Emergency mode
26
04000000 67108864
Brake resistor (A25)
Motor rotating unexpectedly (A122) Sensor 4
27
08000000 134217728
Brake IGBT (A27)
Reserved
Sensor 3
28
10000000 268435456
Option change (A67)
Reserved
Sensor 2
29
20000000 536870912
Drive initialized (A80)
Encoder loss (A90)
Sensor 1
30
40000000 1073741824 Safe stop (A68)
PTC thermistor (A74)
Load
31
80000000 2147483648 Mech. brake low (A63
Dangerous failure (A72)
Stator
AU275636650261en-000101 / 130R0334
696 | Danfoss A/S © 2022.12
Troubleshooting
VLT AutomationDrive FC 301/302
Programming Guide