Danfoss VLT FC Series Service Manual page 69

Troubleshooting
Alarm word and extended status word
Bit Hex
0 00000001
1 00000002
2 00000004
3 00000008
4 00000010
5 00000020
6 00000040
7 00000080
8 00000100
9 00000200
10 00000400
11 00000800
12 00001000
13 00002000
14 00004000
15 00008000
16 00010000
17 00020000
18 00040000
19 00080000
20 00100000
21 00200000
22 00400000
23 00800000
24 01000000
25 02000000
26 04000000
27 08000000 134217728
28 10000000 268435456
29 20000000 536870912
30 40000000 1073741824
Table 6.4 Description of Alarm Word, Warning Word, and Extended Status Word
The alarm words, warning words, and extended status words can be read via fieldbus or optional fieldbus for diagnosis.
Also, refer to parameter 16-90 Alarm Word, parameter 16-92 Warning Word, and parameter 16-94 Ext. Status Word.
Bit Hex
0 00000001
1 00000002
9 00000200
10 00000400
11 00000800
Table 6.5 Description of Alarm Word 2 and Warning Word 2
MG94A502
Service Guide
Dec Alarm word
1 Brake check
2 Pwr. card temp
4 Ground fault
8 Ctrl. card temp
16 Ctrl. word TO
32 Overcurrent
64 Torque limit
128 Motor Th over
256 Motor ETR over
512 Inverter overld.
1024 DC under volt
2048 DC over volt
4096 Short circuit
8192 Inrush fault
16384 Mains ph. loss
32768 AMA not OK
65536 Live zero error
131072 Internal fault
262144 Brake overload
524288 U phase loss
1048576 V phase loss
2097152 W phase loss
4194304 Fieldbus fault
8388608 24 V supply low
16777216 Mains failure
33554432 1.8 V Supply low
67108864 Brake resistor
Brake IGBT
Option change
Drive initialized
Safe Torque Off
Dec
1
2
512 Discharge Temperature High
1024
2048
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Warning word
Brake check
Pwr. card temp
Ground fault
Ctrl. card temp
Ctrl. word TO
Overcurrent
Torque limit
Motor Th over
Motor ETR over
Inverter overld.
DC under volt
DC over volt
DC voltage low
DC voltage high
Mains ph. loss
No motor
Live zero error
10 V low
Brake overload
Brake resistor
Brake IGBT
Speed limit
Fieldbus fault
24 V supply low
Mains failure
Current limit
Low temp
Voltage limit
Unused
Unused
Unused
Alarm word 2
–
–
Start Limit
Speed Limit
Extended status word
Ramping
AMA running
Start CW/CCW
Slow down
Catch up
Feedback high
Feedback low
Output current high
Output current low
Output freq high
Output freq low
Brake check ok
Braking max
Braking
Out of speed range
OVC active
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Warning word 2
Start Delayed
Stop Delayed
Discharge Temperature High
–
–
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