GE Industrial Solutions SG Series 400 & 500 Operating Manual - Manual (Page 31)

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OPM_SGS_USM_M40_M50_2US_V010.doc User Manual SG Series 400 & 500 UL S2
Code Alarms Meaning
4309 DRIVER FAILURE
An abnormal condition has been detected on one or more
power modules of the Inverter (temperature or over
current).
Inverter shutdown and cannot be started as long as the
alarm is present.
4312
INV. VOLTAGE OUT OF
TOLERANCE
Inverter Output Voltage is out of the tolerances (± 10%).
Inverter is switched OFF.
4320 ISMAX DETECTION
Detection of Inverter Bridge (Is) current limit causing the
Inverter OFF and possible automatic restart.
After 3 times the Inverter switches-Off, and it can be
restarted manually.
4321 HIGH CURRENT SHARING
A high exchange current value is detected between the
UPS of the parallel system.
4340 INVERTER CONTROL FAILURE
The “Slave” oscillator is not in synchronized with the
Master; thus causing the shutdown of it’s Inverter.
If after a restart the condition remains, the LED inside the
Inverter symbol on the panel will not light up, indicating
that this Inverter cannot supply the Load anymore.
4400 BYPASS FUSE FAILURE Either one or all the fuses in bypass line have blown.
4404 K6 CLOSING FAILURE
K6 open despite a closing command being issued.
Signaled by auxiliary contact.
The Load cannot be supplied by Automatic Bypass.
4405 K6 OPENING FAILURE
K6 closed despite an opening command being issued.
Signaled by auxiliary contact.
4406 SSM FAILURE
A faulty current has been detected in the static-switch
causing the opening of the contactor K6 for 10 seconds.
After 3 times K6 remains definitively open.
The alarm reset can be done only from Service Center.
4407 SSM OVERTEMPERATURE
Temperature sensor indicates an over temperature on the
Static-Switch.
4410
BYPASS UTILITY OUT
OF TOLERANCE
The Utility Bypass Voltage is out of the tolerances (± 10%).
K6 opens, synchronization with Utility is inhibited and
transfer to Utility is blocked.
4520 NO INVERTER POWER
The Load supplied by Utility exceeds the Inverter power.
The Load remains supplied by Utility until the alarm stays
ON.
4522 FAN FAILURE
A malfunction on the UPS ventilation system was detected.
No change for UPS operation.
Call immediately Service Center for intervention.
4530 LOAD LOCKED ON UTILITY
Load is locked on Utility because 3 transfers on Utility have
been detected in a short time (default 30 seconds).
The transfer will be free after a time defined in parameter
(default 30 seconds).
4531
LOAD ON UTILITY BY ERROR
DETECTOR
Load is transferred to Utility because the error detector
detected a disturbance on the output voltage.
4563 EMERGENCY OFF ACTIVATED
Alarm after detection of an EPO from an external safety
device connected on Customer Interface Board.
Consequently K4, K6, K7 open, Rectifier, Inverter and SSM
are switched Off.