Modifications reserved
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OPM_SGS_USM_M75_M75_2US_V010.doc
User Manual
SG Series 750 UL S2 & SG Series 750 T12 UL S2
6.3.3 Messages list
Code
Message
Meaning
4002
WATCHDOG RESET
The microprocessor has detected an incorrect operation:
Transfers the
Load
on
Utility
and performs a program
reset.
The
Inverter
will restart automatically and will supply the
Load
.
4108
Q4 OPEN
The auxiliary contact indicates that the
input rectifier
switch Q4
has been opened.
4108
Q4 CLOSED
The auxiliary contact indicates that the
input rectifier
switch Q4
has been closed.
4111
RECTIFIER UTILITY OK
Rectifier Input Utility
is again within the admitted tolerance
(voltage, frequency and phase).
4119
BATTERY TEST STARTED
Start of
Manual
or
Automatic Battery Test
.
4120
BATTERY TEST STOPPED
End of
Manual
or
Automatic Battery Test
.
4122
MANUAL BOOST CHARGE ON
Start of
Manual Boost charge (only for lead open wet
batteries).
4123
AUTOMATIC BOOST CHARGE
ON
Start of
Automatic Boost charge (only for lead open wet
batteries).
4124
BOOST CHARGE OFF
End of
Manual
or
Automatic Boost charge (only for lead
open wet batteries).
4161
RECTIFIER ON
Rectifier
started.
4162
RECTIFIER OFF
Rectifier
shutdown.
4163
GENERATOR ON
Customer Interface Board
(X1 - 11, 22) received a
Gen-set
ON
signal.
Operating mode depend on setting of Parameters.
4164
GENERATOR OFF
Customer Interface Board
(X1 - 11, 22) received a
Gen-set
OFF
signal.
Function
Bypass
enabled depends on setting of parameter.
4302
INVERTER CANNOT BE TURNED
ON
Inverter
cannot be switched on because one of the
following conditions is still present:
- Over Temperature
-
K7 opening Failure
- Low Battery Voltage
-
High Battery Voltage
- Inverter Fuses
-
DC Low
- Overload
-
EPO
4303
INVERTER CANNOT BE TURNED
OFF
Inverter
cannot be switched OFF, because the
Load
cannot
be switched to
Utility
(voltage out of tolerance, not
synchrony, BP blocked).
4361
INVERTER ON
The command to start the
Inverter
has been activated on
the control panel.
4362
INVERTER OFF
The command to switch OFF the
Inverter
has been
activated by the control panel or automatically for alarm
presence.
4411
BYPASS UTILITY OK
Bypass Input Utility
is again within tolerance (voltage,
frequency and phase).
4500
COMMAND LOAD OFF
Disconnection of the
Load
by opening
K6
and
K7
for:
EPO
/
Load Off
/
Overload
/
Stop Operation
.
4521
NO BYPASS POWER
With the
Load
supplied by
Automatic Bypass
, a
Utility
Failure
or
K6
opening occurred.