Maintenance
Copyright © 2008-2010 Eaton Corporation. All Rights Reserved.
IPN 997-00012-68D February 2010
49
STS Alarm Codes
Alarm Name Level Remark
Inv unavailable Major Inverter unavailable
Main unavailable Major Mains unavailable
Output overload Major Output over load
OP Short circuit Critical Output short circuit
K1 Relay open Major Back-feed relay open
STS SCR1 short Critical SCR1 short circuit
STS SCR2 short Critical SCR2 short circuit
INV Bypass Mode Critical Inverter bypass mode
Over temperature Major STS temperature high
MBS Abnormal Critical MBS in abnormal position
STS Fan Lock Major STS fan fault
STS fault mode Critical STS running in fault mode
STS Eeprom Fault Major EEPROM fault
SPS Power Fail Critical Control power fail
OutPut Abnormal Critical STS output abnormal