GE Industrial Solutions SG Series 10 – 20 – 30 – 40 kVA Operating Manual - Manual (Page 37)

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OPM_SGS_USM_10K_40K_0US_V030.doc Operating Manual SG Series 10 –20 – 30 - 40 kVA
Code Alarms Meaning
4405
K6 OPENING
FAILURE
K6 closed despite an opening command being issued.
Signalled 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.
4408
K8 CLOSING
FAILURE
K8 not closed despite a closing command being issued.
Signalled by auxiliary contact.
The Load cannot be supplied by Automatic Bypass.
4409
K8 OPENING
FAILURE
K8 closed despite an opening command being issued.
Signalled by auxiliary contact.
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.
4420
K3 CLOSING
FAILURE
K3 open despite a closing command.
Inverter is switched OFF.
It can be restarted manually after recovery of the alarm
condition.
4421
K3 OPENING
FAILURE
K3 not open despite an opening command.
Be aware the DC Capacitors could remain charged.
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 K3, K4, K6, K7, K8 open, Rectifier, Inverter and SSM
are switched Off.
4570 OVERLOAD
The UPS-System is in an overload condition >125% on Inverter,
or >150% on Utility.
With Utility unavailable, a sequence of “stop operation” starts.
Time out depends on Load quantity.
4571
OVERLOAD:
LOAD ON UTILITY
With Utility Bypass supply available and load >115%, the Load is
transferred on Utility.
Load will be transferred again automatically on Inverter when
Load <100%.
4581
INVERTER AND
UTILITY NOT SYNCH.
The voltages of Utility and Inverter are not synchronized, which
causes the opening of K6.
4697
BATTERY
OVERTEMPERATURE
Detection of Battery over temperature condition.
Can be deactivated by Service Center.
4698
BATTERY POWER
INSUFFICIENT
In case of Utility Failure, with the actual Load, the run time would
be below stop operation time (default 3 minutes).