Modifications reserved
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OPM_SGS_USM_M22_M30_2US_V010.doc
User Manual
SG Series 225 & 300 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.
