Troubleshooting Requiring Mge After-Sales Support - MGE UPS Systems EX 11RT Installation And User Manual

Table 4-3: Troubleshooting requiring MGE after-sales support.
Symptom
17 18
LED and are on,
Bypass AC Source is present
and audible alarm is on.
the alphanumeric display shows:
xxx FAULT
17
LED is on, and audible alarm
is on, the alphanumeric display
shows
BATTERY FAULT
17
LED is on,
the alphanumeric display shows:
SHUTDOWN
STATIC SW FAILED
Audible alarm is on,
the alphanumeric display shows:
END OF WARRANTY
NOTE: To reset the alarm permanently, press both function buttons
86-86000-00 A01
Indication
Internal fault
and transfer of load
on bypass AC source
Battery fault during the battery test.
Static switch failure
Batteries may have exceeded
their rated life period. Battery
capacity is severely reduced.
Maintenance
Installation and User Manual
Correction
Call the after sales support department.
Call the after sales support department.
Call the after sales support department.
Follow the battery replacement procedure
in section 4.5.
21 22
and for more than 3 seconds.
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