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Troubleshooting requiring MGE UPS SYSTEMS after-sales support
4. Maintenance
4.1 Trouble-shooting
Indication
LED 17 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 18 flashes and the
buzzer beeps once.
LED 17 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)
Indication
The outlets are not
supplied with power even
though button 15 is ON.
Signification
One of the output-protection circuit breakers 7
on the rear panel is open.
Correction
◗ Make sure there is not a short-
circuit on the outlets.
◗ Clear the overload on the
concerned outlets by balancing the
equipment loads over the outlets.
◗ Close the circuit breaker.
Troubleshooting not requiring MGE UPS SYSTEMS after-sales support (3000/3000 XL versions only)