Liebert GXT 2U user manual Troubleshooting guide

Troubleshooting

Under fault conditions, the Fault indicators will be illuminated indefi- nitely while battery charger is operational, or for a maximum of 5 min- utes while battery charger is not operational.

If a problem persists, consult your local dealer, Liebert representative or contact the Liebert Worldwide Support Group. Please have the UPS model number and serial number available at the time of your inquiry.

Table 1	Troubleshooting guide
Problem		Cause	Solution
			Ensure UPS is OFF.
UPS fails to start			Disconnect all loads and
		UPS is short circuited or	ensure nothing is lodged in
when the ON
		overloaded.	output receptacles. Ensure
button is pressed.
			loads are not defective or
			shorted internally.
			UPS is operating from
		UPS not plugged in.	battery mode, make certain
			UPS is securely plugged
			into the wall receptacle.
			UPS is operating from
		UPS input protection fuse	battery mode. Save data
Battery indicator			and close applications.
		has blown/opened.
LED is			Replace UPS input fuse,
illuminated.			then restart UPS.
			UPS is operating from
			battery mode. Save data
		Utility voltage out of UPS	and close applications.
		input range.	Ensure utility supply
			voltage is within
			acceptable limits for UPS.
			Keep UPS plugged in
		Batteries are not fully	continuously at least 24
		charged.	hours to recharge
			batteries.
			Check load level display
UPS has reduced		UPS is overloaded.	and reduce the load on the
			UPS.
battery time.
			Replace batteries. Contact
		Batteries may not be able	your local dealer, Liebert
			representative or the
		to hold a full charge due to
			Liebert Worldwide Support
		age.
			Group for replacement
			battery kit.

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