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 | Danfoss A/S © 2024.03 AB413939445838en-000301 / 130R1254
Application Guide | iC2-Micro Frequency Converters
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