Omron Q2A Series Technical Manual page 272

7.4 Faults
Code Name
Uv3 Soft Charge Answerback Fault
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for this fault.
272
Causes
The relay or contactor on the soft-charge bypass
relay is damaged.
Possible Solutions
• Re-energize the drive.
• If the fault stays, replace the control board or the drive.
• Check monitor U4-06 [SoftChgRelay Maint] shows the
performance life of the soft-charge bypass relay. If U4-06 is
more than 90%, replace the board or the drive. For information
about replacing the board, contact the manufacturer or your
nearest sales representative.
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual