Liebert GXT2-6000 RT208 user manual Alarm conditions, Troubleshooting guide Problem Cause Solution

Troubleshooting

All audible alarms can be silenced, with the exception of Low Battery, Bypass Reminder and Missing Batteries at Startup alarms. Once silenced, the alarm will not sound again until a new alarm condi- tion is present.

Table 5	Alarm conditions
	Condition	Alarm
Battery Mode (utility failure)		One short beep every 10 seconds; more than 2 minutes of run time remaining
Low Battery		Two short beeps every 5 seconds; less than 2 minutes of run time remaining
On Bypass Reminder		A one-second beep every 2 minutes
Output Overload (bypass)		One short beep every half second
Overtemperature (bypass)		A one-second, or two-second, beep every 4 seconds
DC Bus Overvoltage (bypass)		A one-second, or two-second, beep every 4 seconds
Control Power Supply Failure (bypass)		A one-second, or two-second, beep every 4 seconds
PFC Failure (bypass)		A one-second, or two-second, beep every 4 seconds
Inverter Failure		A one-second, or two-second, beep every 4 seconds
Inverter-to-Inverter Communications		A one-half second beep every 1 second
Failure
Battery Test Failure		A two-second beep every 1 minute
REPO Activated		A one-quarter second beep every half second

Table 6	Troubleshooting guide
Problem		Cause	Solution
UPS fails to start when the		UPS is short-circuited or	Ensure the UPS is OFF. Disconnect all loads and ensure
			nothing is lodged in output receptacles.
ON button is pressed.		overloaded.
			Ensure the loads are not defective or shorted internally.
		UPS not plugged in.	UPS is operating in Battery Mode, make certain UPS is
			securely plugged into the wall receptacle.
Battery indicator is		UPS input protection fuse	UPS is operating in Battery Mode. Save data and close
		has blown/opened.	applications. Replace UPS input fuse, then restart UPS.
illuminated.
		Utility voltage out of UPS	UPS is operating in Battery Mode. Save data and close
			applications. Ensure utility supply voltage is within
		input range.
			acceptable limits for UPS.
		Batteries are not fully	Keep UPS plugged in continuously at least 24 hours to
		charged.	recharge batteries.
UPS has reduced battery		UPS is overloaded.	Check load level display and reduce the load on the UPS.
time.
		Batteries may not be able to	Replace batteries. Contact your local dealer, Liebert
			representative or the Liebert Worldwide Support Group for
		hold a full charge due to age.
			replacement battery kit.
Fault and Bypass indicators		UPS overloaded or load	Check load level display and remove non-essential loads.
and all Load Level indicators			Recalculate the load and reduce number of loads
		equipment is faulty.
are illuminated.			connected to UPS. Check load equipment for faults.
Fault and Bypass indicators		UPS control power supply	UPS requires service. Contact your local dealer, Liebert
and diagnostic indicator C are
		fault.	representative or the Liebert Worldwide Support Group.
illuminated.
Fault and Bypass indicators		UPS PFC (Power Factor	UPS requires service. Contact your local dealer, Liebert
and diagnostic indicator D are
		Correction Circuit) fault.	representative or the Liebert Worldwide Support Group.
illuminated.
		UPS internal fan has a	Ensure the UPS is not overloaded, ventilation openings
			are not blocked and room ambient temperature is not
Fault and Bypass indicators		problem or UPS shutdown
			excessive.
and diagnostic indicator A are		due to temperature
			Wait 30 minutes to allow UPS to cool, then restart UPS.
illuminated.		condition. Load is on bypass
			If UPS does not restart, contact your local dealer, Liebert
		power.
			representative or the Liebert Worldwide Support Group.

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