YASKAWA GA800 Technical Reference page 389

Code Name
Uv3 Soft Charge Answerback Fault
Note:
• Do a Fault Reset to clear the fault.
• Fault trace is not available for these faults.
YASKAWA SIEPC71061737D GA800 Drive Technical Reference
Causes
There is damage to the relay or contactor on the soft-
charge bypass relay.
Air inside the drive is too hot.
Possible Solutions
• Re-energize the drive.
• If the fault stays, replace the control board or the drive.
• Monitor U4-06 [PreChargeRelayMainte] 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 control board, contact Yaskawa or your nearest sales
representative.
Decrease the ambient temperature of the drive.
7.4 Fault
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