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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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