Vacon 100 flow Applications Manual page 374

VACON · 374
Fault
Fault ID
code
41 400
44 431
433
434
435
45 441
443
444
445
46 662
11
Fault name
IGBT temperature The calculated IGBT tem-
perature is too high.
•
•
•
Device changed (dif- There is a new power unit of
ferent type) a different type. Parameters
are not available in the set-
tings.
Device changed (dif- The option board in slot C
ferent type) was replaced by a new one
that you have not used
before in the same slot. No
parameter settings are
saved.
Device changed (dif- The same cause as in ID433,
ferent type) but refers to Slot D.
Device changed (dif- The same cause as in ID433,
ferent type) but refers to Slot D.
Device added (differ- There is a new power unit of
ent type) a different type. Parameters
are not available in the set-
tings.
Device added (differ- A new option board, that you
ent type) have not used before in the
same slot, was put in slot C.
No parameter settings are
saved.
Device added (differ- The same cause as in ID443,
ent type) but refers to Slot D.
Device added (differ- The same cause as in ID443,
ent type) but refers to Slot E.
Real Time Clock The voltage of the RTC bat-
tery is low.
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Possible cause
Do a check of the parameter set-
tings.
Examine the actual quantity and
flow of cooling air.
the motor load is too
Do a check of the ambient temper-
high
ature.
the ambient tempera-
Examine the heatsink for dust.
ture is too high
Make sure that the switching fre-
hardware malfunction
quency is not too high in relation to
the ambient temperature and the
motor load.
Do a check of the cooling fan.
Make an identification run.
Reset the fault.
The drive reboots after you reset
the fault.
Set the power unit parameters
again.
Reset the fault. Set the option
board parameters again.
Reset the fault.
The drive reboots after you reset
the fault.
Set the power unit parameters
again.
Set the option board parameters
again.
Replace the battery.
FAULT TRACING
How to correct the fault