MGE UPS Systems 3000 VA, 2000 user manual 26 51033211EN/AC

4. Maintenance

Troubleshooting requiring MGE after-sales support

Indication	Signification	Correction
LED 15 flashes and the buzzer	UPS electronics have detected a UPS	For UPSs equipped with Hot
beeps.	fault.	swap or Install connection
	Depending on the UPS personalization	modules, follow the UPS
	parameters (see section 3.5), there are	replacement procedure (see
	two possibilities:	section 4.2).
	◗the equipment connected to the UPS
	continues to be supplied, but directly	Call the after-sales support
	from the AC-power source (via the	department.
	automatic bypass for a maximum of 8
	hours (LED 21 ON);
	◗the connected equipment is no longer
	supplied.
	The equipment connected to
	the UPS is no longer protected.
LED 16 flashes.	A battery fault was detected during the	Call the after-sales support
	battery test.	department because the
		batteries need replacing.

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