4. Maintenance
4.1 Trouble-shooting
Troubleshooting not requiring MGE UPS SYSTEMS after-sales support (all versions)
LED 13 flashes and
the buzzer beeps once.
LED 12 flashes.
Troubleshooting requiring MGE UPS SYSTEMS after-sales support
LED 12 goes ON and
the buzzer sounds contin-
uously.
Page 22 -
3400723200/AC
Indication
UPS overload. The power drawn by the connected
equipment exceeds UPS capacity.
A battery fault was detected during the automatic bat-
tery test.
Indication
UPS electronics have detected a UPS fault.
The connected equipment is no longer supplied.
Signification
Signification
The equipment connected to the UPS is no
longer protected.
Correction
Check the power drawn by the
equipment and disconnect any
non-priority devices.
Replace the battery module (see
section 4.2).
Correction
Call the after-sales support depart-
ment.