Emerson GXT2-10000RT208 user manual Troubleshooting, Fault indicators

Troubleshooting

13.0TROUBLESHOOTING

The information below indicates various symptoms a user may encounter in the event the Liebert GXT2-10000RT208 develops a problem. Use this information to determine whether external factors caused the problem and how to remedy the situation.

1.The Fault indicator will illuminate, indicating the UPS has detected a problem.

2.An alarm will sound, alerting that the UPS requires attention.

3.One or more additional Load Level/Battery Level indicators will be illuminated to provide a diagnostic aid to the operator, as described below:

A B C

AC Input indicator

D E

Fault indicator

Battery indicators

Load Level indicators

Bypass indicator

		Battery indicator UPS ON indicator
Table 3	Fault indicators
Indicator status		Diagnosis/Audible alarm
All indicators		On bypass due to output overload; beep every half-second
Indicator A		On bypass due to overtemperature condition
Indicator B		On bypass due to DC bus overvoltage
Indicator C		On bypass due to control power supply failure
Indicator D		On bypass due to PFC failure
Indicator E		On bypass due to inverter failure
Indicators A&B		Inverter-to-Inverter communications failure; half-second beep every 1 second
Indicators A&C		UPS failed battery test; 2-second beep every 60 seconds
Indicators A&D		L1 to L2 phase angle unacceptable
Indicators B&C		REPO is currently activated, UPS output cannot be started by any method
		UPS is OFF due to previous REPO (REPO is no longer activated). Once utility power
Indicators B&D		is restored, press the OFF button twice within four seconds (to clear the alarm), then
		press the ON button to start UPS (Auto-restart is NOT possible).
Indicators C&E		UPS shutdown due to command from communications (RS232 or SNMP); no beep
Indicators D&E		UPS is OFF due to charger overvoltage; 1-second beep every 4 seconds
AC Input indicator On &		On bypass due to the power module cover plate being removed or the slide bracket
Indicators A&C&E		moved from Manual Bypass switch
AC Input indicator On &		AC input has been applied to start UPS but the batteries are either missing or below
Battery indicator Flashing		the minimal level to allow the UPS to start; continuous audible alarm
Bypass indicator Flashing		Bypass voltage is present, but is disabled for use because the voltage or frequency is
		outside acceptable limits

38