5.5 Fault Detection
YASKAWA TM.V1000.01 V1000 Drive Installation & Start-Up Manual (Preliminary 01-19-07) 223
Troubleshooting
5
Cause Possible Solution
The contactor on the inrush
prevention circuit is damaged.
• Cycle power to the drive. Check if the fault reoccurs. Refer to Using Fault
Trace Monitors on page 245.
• Replace the drive if the fault continues to occur.
• Check monitor U4-06 for the performance life of the inrush prevention
circuit.
• Replace the drive if U4-06 exceeds 90%.
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