Maintenance, Troubleshooting | MGE UPS Systems Pulsar EX 700

4. Maintenance

If any of LEDs 12 , 13 or 14 flash, there is a operating anomaly or an alarm.

If a LED flashes, the bargraph data is no longer displayed.

Troubleshooting not requiring MGE UPS SYSTEMS after-sales support

Indication

LED 12 flashes and the buzzer beeps.

LED 14 flashes.

UPS overload. Overload is too long or too high. The buzzer sounds continuously.

◗If AC power is present and within tolerances, the UPS goes to bypass mode (supply directly by the AC-power source). LED 20 flashes.

◗If AC power is not present or not within tolerances, the connected applications are no longer supplied.

A battery fault was detected during the automatic battery test.

Check the power drawn by the equipment and disconnect any non- priority devices.

◗Connect that the battery connector is fully pushed in.

◗Replace battery module (see the Maintenance section).

Troubleshooting requiring MGE UPS SYSTEMS after-sales support

Indication	Signification	Correction

LED 13 flashes and the	UPS electronics have detected a UPS fault.
buzzer sounds	Depending on the UPS personalisation parameters
buzzer sounds	(see section 3.4), there are two possibilities:
continuously.	(see section 3.4), there are two possibilities:
continuously.

◗the equipment connected to the UPS continues to be

	supplied, but directly from the AC-power source (via	Call the after-sales support
		department.
	the automatic bypass (LED 20 ON);

◗the connected equipment is no longer supplied.

The equipment connected to the UPS is no longer protected.

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