Fault codes and software
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63
4
Check the parameters and start up the
unit again. Repeat the process witch
caused the drive to trip.
F25 uP Watchdog fault
F25 displayed.
Check logged
data in
fault history.
NOTE:
1 = Cpu watchdog timer.
2 = Asic reset.
11-14 = NXS special codes.
31-51 = NXP special codes.
NOTE:
If this fault occurs in particular situation.
-> Store parameter setting and contact software
vendor.
->Update software.
Check subcode
Internal fault due to control
board failure or software
fault.
F25 again?
No fault. Trip
occurring just once
YES
NO
FIGURE 22. Fault code F25