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Maintenance – MGE UPS Systems 3000 VA User Manual

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51033211EN/AC

4. Maintenance

Indication

LED flashes and the buzzer
beeps.

LED flashes.

Signification

UPS electronics have detected a UPS
fault.
Depending on the UPS personalization
parameters (see section 3.5), there are
two possibilities:

the equipment connected to the UPS

continues to be supplied, but directly
from the AC-power source (via the
automatic bypass for a maximum of 8
hours (LED ON);

the connected equipment is no longer

supplied.

The equipment connected to
the UPS is no longer protected.

A battery fault was detected during the
battery test.

Correction

For UPSs equipped with Hot
swap or Install connection
modules, follow the UPS
replacement procedure (see
section 4.2).

Call the after-sales support
department.

Call the after-sales support
department because the
batteries need replacing.

15

16

Troubleshooting requiring MGE after-sales support

21

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