MGE UPS Systems 6 kVA, 4.5 kVA, 9 kVA, 12 kVA user manual Maintenance

		4. Maintenance
Troubleshooting requiring MGE after-sales support
Indication	Signification	Correction
LED 12 flashes and the buzzer	UPS electronics have detected a UPS	Follow the UPS replacement
beeps.	fault.	procedure (see section 4.2).
	Depending on the UPS personalization
	parameters (see section 3.5), there are	Call the after-sales support
	two possibilities:	department.
	◗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 18 ON);
	◗the connected equipment is no longer
	supplied.
	The equipment connected to
	the UPS is no longer protected.
LED 13 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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