Drives Service & Support
Fault Number: 03
Fault Display: Power Loss Fault
Fault Name: Power Loss Fault
Description: DC bus voltage remained below 85% of nominal for longer than 500ms. [Line Loss Fault] parameter is set to enabled.
Corrective Action: You will want to check the incoming AC line for proper voltage. If the voltage dips, it will cause the fault. If an unstable line is encountered, the utility company should get involved, or you possibly have a transformer issue. You can disable this fault by changing parameter 40 (Line Loss Fault) to disabled. Line Loss fault is disabled by default.
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