Fault codes and software
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C heck subcode of
the fault
F22 P aram eter fault
D isconnect input pow er from drive and
w ait until internal pow er supply shuts
down again. P ower up again.
F 22 displayed.
C heck logged
data in
fault history.
N O T E !
P aram eter fault occurs w hen the tw o last check sum s are not equal. C heck sum calculated on
pow er dow n.
N O T E !
S ubfaultcode:
1 = F irm w are interface pow er dow n variable checksum error, such as counter etc.
2 = F irm w are interface variable checksum error.
3 = S ystem pow er 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 pow er dow n variable check sum 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 -> C ritical
fault
10 -> C ritical
fault
O ther
A ny param eter in software
or application could be lost.
C heck / correct all
param eters.
A ny param eter in
system m enu could be
lost. C heck / correct
param eters.
F22 again?
E xternal fault such as
interference or poor
G N D connection
possible.
Internal fault in cable
connection or
control board possible.
YE S
N O
D ata w hich possibly is
critical for opertion is
lost.
FIGURE 20. Fault code F22
