MGE UPS Systems 500 Rack Power Supply User Manual


 
Page 22 - 34007117EN/AB
Troubleshooting requiring MGE UPS SYSTEMS after-sales support
4. Maintenance
4.1 Trouble-shooting
Indication
LED 12 goes ON and
the buzzer sounds
continuously.
Signification
UPS electronics have detected a UPS fault.
The connected equipment is no longer supplied.
The equipment connected to the UPS is no
longer protected.
Correction
Call the after-sales support
department.
Indication
LED 13 flashes and the
buzzer beeps once.
LED 12 flashes.
Signification
UPS overload. The power drawn by the connected
equipment exceeds UPS capacity.
A battery fault was detected during the automatic
battery test.
Correction
Check the power drawn by the
equipment and disconnect any non-
priority devices.
Replace the battery module (see
section 4.2).
Troubleshooting not requiring MGE UPS SYSTEMS after-sales support (all versions)