YASKAWA P1000 Technical Manual page 204
Ac drive
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Also See for P1000:
- Technical manual (594 pages) ,
- Quick start manual (256 pages) ,
- Safety precautions (74 pages)
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6.4 Fault Detection
HOA Keypad Display
Uv3
Cause
The relay or contactor on the soft-charge bypass
circuit is damaged
HOA Keypad Display
voF
Cause
Hardware is damaged
204
Undervoltage 3 (Soft-Charge Circuit Fault)
The soft-charge bypass circuit failed.
• Cycle power to the drive and see if the fault reoccurs.
• If the problem continues, replace either the control board or the entire drive. For instructions on
replacing the control board, contact Yaskawa or a Yaskawa representative.
• Check monitor U4-06 for the performance life of the soft-charge bypass.
• Replace either the control board or the entire drive if U4-06 exceeds 90%. For instructions on
replacing the control board, contact Yaskawa or a Yaskawa representative.
Output Voltage Detection Fault
Problem detected with the voltage on the output side of the drive.
Replace the control board or the entire drive. For instructions on replacing the control board, contact
Yaskawa or a Yaskawa representative.
YASKAWA SIEP YAIP1B 01B YASKAWA AC Drive – P1000 Bypass Technical Manual
Fault Name
Possible Solution
Fault Name
Possible Solution
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Troubleshooting
