Comet installation and user manual: E-6761200XT/FA 7.1Merlin Gerin by MGE UPS SYSTEMS
alarms
Any state other than normal operation (green "load protected" light 21 on) is
considered a fault by the diagnostics system.
Before undertaking any servicing or other action, note the status of the
different lights and the number(s) of the fault(s) indicated on the diagnostics
display 27 .
If the "Monitor Plus" option is installed, note as well the messages in the list on
the screen.
Certain faults may result in the display not functioning.
If the load still functions, it is supplied via the "static bypass" 3, i.e. it is not
protected.

alarm indications table

status or action producing
the indication
■ inverter start-up phase prior to load
transfer. The "inverter on" button 22 has
been pressed.
■ normal operation;
■ load supplied by Comet.
■ inverter 7shutdown following pressing of
the "inverter off" button 23 or a major fault;
■
load supplied via the "static bypass"
3 .
■ operation on battery power;
■ load supplied by Comet.
■ end of battery power or battery should be
checked (1).
■ minor fault:
load continues to be supplied via inverter.
■ inverter 7shut down;
■ input power switch 1 is in "off" position;
■ battery circuit breaker 4is in "off"
position;
■ load supplied via the "static bypass"
3.
Legend of alarm indications table:
buzzer off,
light off,
buzzer on,
light on,
light flashing
+–
!
!
17 18 19 20 21
bip...bip...
bip...bip...
bip...bip...
bip...bip...
bip...bip...
(1): for standard replacement of batteries, a
technician certified by MGE UPS
SYSTEMS is required to update the
parameters of the new battery so that the
user continues to benefit from the "Battery
Monitoring" function used to see the
available or remaining battery autonomy.