Table 72: Description of Fault Word, Warning Word, and Extended Status Word
(continued)
Bit
Hex
Dec
Fault word
Fault word
2
Fault word
3
Warning
word
Warning
word 2
Extended
status
word
Extended
status
word 2
22
00400000
4194304
Reserved
Locked ro-
tor
Reserved
Reserved
Reserved
Reserved
Reserved
23
00800000
8388608
24 V sup-
ply low
Reserved
Reserved
24 V sup-
ply low
Reserved
Reserved
Running
24
01000000
16777216
Mains fail-
ure
Reserved
Reserved
Mains fail-
ure
Reserved
Reserved
Reserved
25
02000000
33554432
Reserved
Current
limit
Reserved
Current
limit
Reserved
Reserved
Reserved
26
04000000
67108864
Brake resis-
tor
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
27
08000000
134217728
Brake
IGBT/Brake
Chopper
Start
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
28
10000000
268435456
Reserved
Feedback
error
Reserved
Feedback
Error
Reserved
Reserved
FlyStart ac-
tive
29
20000000
536870912
Drive ini-
tialized
Reserved
Reserved
Reserved
Back EMF
too high
Reserved
Heat sink
clean
warning
30
40000000
107374182
4
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
31
80000000
214748364
8
Mech.
brake low
Reserved
Reserved
Reserved
Reserved
Database
busy
Reserved
8.7
List of Faults and Warnings
WARNING/FAULT 2, Live Zero Error
Cause
This warning or fault only appears if programmed in
P 9.5.6.2 Live Zero Timeout Function
. The signal on 1 of the analog inputs is less than
50% of the minimum value programmed for that input. Broken wiring or a faulty device sending the signal can cause this condition.
Troubleshooting
l
Check connections on all the analog input terminals. Control card terminals 33 and 34 for signals, terminal 35 common.
l
Check that the drive programming and switch settings match the analog signal type.
l
Perform an input terminal signal test.
266
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Application Guide | iC2-Micro Frequency Converters
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