MGE UPS Systems 2000, 3000 VA user manual Maintenance, Troubleshooting

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4. Maintenance

4.1 Troubleshooting

If one or more LEDs 14 , 15 , 16 or 17 flash, there is a operating anomaly or an alarm.

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

Troubleshooting not requiring MGE after-sales support

Indication	Signification	Correction

LEDs 14, 15 , 16 , 17	The UPS has detected a problem	Shut down the UPS and check that the
flash and the buzzer	concerning the wiring of the	input power cable is properly connected to
beeps.	connection module input.	the input terminal block and the load to the
		output terminal block (see p. 18).
		After correcting any wiring errors, restart
		the UPS as indicated on page 20. If the
		problem persists, call MGE after-sales
		support.

LED 14 flashes and	UPS overload. Overload is too long	Check the power drawn by the equipment
the buzzer beeps.	or too high. The UPS cuts the supply	and disconnect any non-priority devices.
	of power to the connected equipment
	and the buzzer beeps continuously.

LED 17 flashes.	The ambient temperature is higher	Install the UPS in a room where the
	than 35° C.	ambient temperature is not greater than
	The UPS is not designed to	35° C.
	operate more than eight
	hours under these conditions.

LED 20 is ON.	The UPS is in maintenance mode	See point 3 to 6 of in the "Hot-swap and
	(manual bypass)	Install connection modules" part of section
		4.2.

51033211EN/AC - Page 25

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Contents Pulsar EXtreme Introduction Foreword Using this documentPictograms Contents Glossary Index Failure of AC input power and operation on battery powerPulsar EXtreme range PresentationTower model Rack modelHot swap Install Fault tolerantConnection modules Output terminal block with cable clampBack Options Battery extensions for UPS backup times of 66 minutesCLA Control panel Alarms Battery Load RemainingCD ROM with Solution Pac and UPS Driver softwares InstallationUnpacking and checks Rack model Rack mounting diagram with rails Installation of the rack versionConnection to the RS 232 communications port optional Installation of the communications-card optionConnection to the AC-power source Securing and connecting the connection modulesSecuring the connection modules Two screwsHot swap Always connect the earthing wire firstConnection of equipment to a terminal block Power and equipment connections Operation ON-LINE operating modeBargraph indications Start-upFailure of AC input power and operation on battery power Personalization Personalizable function Default setting Function On / OFF conditions tabPersonalizable function Default setting Options Battery tabOutput tab By-pass tabShutdown Connected equipment is no longer supplied with powerTroubleshooting Maintenance26 51033211EN/AC Fault-tolerant connection module UPS replacementConnected equipment is again protected by the UPS Hot-swap and Install connection modules Press button 24 and wait 20 seconds Check that LED 21 is on Environment UPS recycling at the end of service lifeThis product has been designed to respect the environment PackingGlossary AppendicesON-LINE mode InstallSleep mode Start on battery powerIndex Battery34 51033211EN/AC