Check subcode of
the fault
F22 Param eter fault
Disconnect input pow er from drive and
wait until internal power supply shuts
down again. Power up again.
F22 displayed.
Check logged
data in
fault history.
NO TE !
Param eter fault occurs w hen the two last checksum s are not equal. Checksum calculated on
pow er down.
NO TE !
Subfaultcode:
1 = F irm w are interface pow er down variable checksum error, such as counter etc.
2 = F irm w are interface variable checksum error.
3 = S ystem power dow n variable checksum error. D ata pointer lost.
4= System param eter checksum error for default page and m ultim onitoring.
5 = A pplication defined power down variable checksum error for counter or reference.
6 = A pplication defined param eter variable check sum error for counter or reference.
10 = System param eter checksum error for fault history entries or system m enu param eter.
2 -> Critical
fault
10 -> C ritical
fault
O ther
Any param eter in software
or application could be lost.
Check / correct all
param eters.
Any param eter in
system m enu could be
lost. Check / correct
param eters.
F22 again?
External fault such as
interference or poor
G ND connection
possible.
Internal fault in cable
connection or
control board possible.
YE S NO
Data which possibly is
critical for opertion is
lost.
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