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Chapter 6 Fault Code Information and Maintenance|
6-4 Revision May 2008, ME14, SW V3.04
Fault Name Fault Descriptions Corrective Actions
OC hardware error
CC (current clamp)
OV hardware error
GFF hardware error
OV or LV
Current sensor error
Return to the factory.
U-phase error
W-phase error
Return to the factory.
Phase Loss Check input phase wiring for loose contacts.
Software protection failure
Return to the factory.
PID feedback signal error
1. Check parameter settings (Pr.116) and
AVI/ACI wiring.
2. Check for possible fault between
system response time and the PID
feedback signal detection time (Pr.123)