See 12.2 UPS Power Module Replacement | Emerson GXT2-10000RT208

Troubleshooting

Table 5	Troubleshooting guide (continued)

Problem		Cause	Solution

Fault indicator and diagnostic			UPS has shut down due to the REPO (Remote Emergency
indicators B and C are		REPO is currently activated.	UPS has shut down due to the REPO (Remote Emergency
indicators B and C are		REPO is currently activated.	Power Off). The output cannot be started by any method.
illuminated.			Power Off). The output cannot be started by any method.
illuminated.

			UPS is OFF due to previous REPO (REPO is no longer
Fault indicator and diagnostic		UPS output is OFF from a	activated). Once utility power is restored, press the OFF
indicators B and D are		previous REPO command.	button twice within four seconds (to clear the alarm), then
illuminated.		REPO is no longer activated.	press the ON button to start UPS (Auto-restart is NOT
			possible).
			Your UPS has received a signal or command from the
Fault indicator and diagnostic		UPS shutdown due to a	attached computer. If this was inadvertent, ensure the
indicators C and E are		command from the	communication cable used is correct for your system. For
illuminated.		communications port(s).	assistance, contact your local dealer, Liebert
			representative or the Liebert Worldwide Support Group.
Fault indicator and diagnostic			UPS requires service. Contact your local dealer, Liebert
indicators D and E are		UPS charger fault.	UPS requires service. Contact your local dealer, Liebert
indicators D and E are		UPS charger fault.	Representative or the Liebert Worldwide Support Group.
illuminated.			Representative or the Liebert Worldwide Support Group.
illuminated.

AC Input indicator is On &		On Internal Bypass to notify	Move manual bypass switch to the Bypass position, then
AC Input indicator is On &		user to move manual	Move manual bypass switch to the Bypass position, then
diagnostic indicators A, C and		user to move manual	follow the instructions for replacing the UPS power module
diagnostic indicators A, C and		maintenance bypass switch	follow the instructions for replacing the UPS power module
E are illuminated.		maintenance bypass switch	(see 12.2 - UPS Power Module Replacement).
E are illuminated.		to Bypass position.	(see 12.2 - UPS Power Module Replacement).
		to Bypass position.

			Check battery connections, completely power down and
AC Input indicator is On &		Battery source is not	restart UPS.
AC Input indicator is On &		Battery source is not	NOTE: If the battery circuit opens while the UPS is
Battery indicator is flashing.		available; continuous horn.	NOTE: If the battery circuit opens while the UPS is
Battery indicator is flashing.		available; continuous horn.	running, it will be detected when the next battery test is
			running, it will be detected when the next battery test is
			performed.

		Bypass voltage is present,	The AC input powers the PFC input and serves as the
		Bypass voltage is present,	bypass source. If the AC is present but the voltage or
		but is disabled for use	bypass source. If the AC is present but the voltage or
		but is disabled for use	frequency exceeds the acceptable range for safe
Bypass indicator is flashing.		because the voltage or	frequency exceeds the acceptable range for safe
Bypass indicator is flashing.		because the voltage or	operation with a load, the bypass will be disabled and this
		frequency is outside	operation with a load, the bypass will be disabled and this
		frequency is outside	indicator will flash, indicating that the bypass is
		acceptable limits.	indicator will flash, indicating that the bypass is
		acceptable limits.	unavailable.
			unavailable.

Troubleshooting guide (continued)

(see 12.2 - UPS Power Module Replacement).