Danfoss VLT Refrigeration Drive FC 103 Operating Instructions Manual page 81

Diagnostics and Troubleshoo...
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
31 80000000 2147483648
Table 7.4 Description of Alarm Word, Warning Word, and Extended Status Word
The alarm words, warning words, and extended status words can be read out via serial bus or optional fieldbus for
diagnosis. See also parameter 16-90 Alarm Word, parameter 16-92 Warning Word, and parameter 16-94 Ext. Status Word.
Reserved means that the bit is not guaranteed to be any particular value. Reserved bits should not be used for any purpose.
MG16N102
Operating Instructions
Dec Alarm word
1 Mains cont. fault
2 Heat sink temp
4 Ground fault
8 Ctrl.card temp
16 Ctrl. word TO
32 Over current
64 SC cont. fault
128 Cap. over current
256 Cap. earth fault
512 Inverter overld.
1024 DC under volt
2048 DC over volt
4096 Short circuit
8192 Inrush fault
16384 Mains ph. loss
32768 Auto CT error
65536 Reserved
131072 Internal fault
262144 DC over current
524288 Resistor temp
1048576 Mains earth fault
2097152 Switch. freq. limit
4194304 Fieldbus fault
8388608 24 V supply low
16777216 CT range
33554432 1.8 V supply low
67108864 Reserved
Auto CT interrupt
Option change
Unit initialised
Safe torque off
Mains freq. limit
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Warning word
Reserved
Heat sink temp
Ground fault
Ctrl.card temp
Ctrl. word TO
Over current
Reserved
Cap. over current
Cap. earth fault
Inverter overld.
DC under volt
DC over volt
DC voltage low
DC voltage high
Mains ph. loss
Reserved
Reserved
10 V low
DC over current
Resistor temp
Mains earth fault
Reserved
Fieldbus fault
24 V supply low
Reserved
Reserved
Low temp
Reserved
Reserved
Unit initialised
Safe torque off
Extended status word
Extended status word
Reserved
Auto CT running
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Password Time Lock
Password Protection
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
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