Liebert 700VA, 3000VA user manual Troubleshooting table continued, Liebert GXT3

		Troubleshooting
Table 10 Troubleshooting table (continued)
Problem	Cause	Solution
Fault and Bypass indicators		UPS requires service. Contact your local dealer,
and diagnostic C indicator are	UPS DC/DC fault
		Emerson® representative or Emerson Channel Support.
illuminated
Fault indicator and diagnostic	UPS PFC (Power Factor	UPS requires service. Contact your local dealer,
D indicator are illuminated	Correction Circuit) fault	Emerson representative or Emerson Channel Support.
Fault and Bypass indicators		UPS requires service. Contact your local dealer,
and diagnostic E indicator are	UPS inverter fault
		Emerson representative or Emerson Channel Support.
illuminated
Fault indicator and diagnostic		Replace batteries. Contact your local dealer, Emerson
A and C indicators are	UPS failed the battery test
		representative or Emerson Channel Support.
illuminated
		Your UPS has received a signal or command from the
Fault and Bypass indicators	UPS has been shut down by a	attached computer. If this was inadvertent, ensure the
and diagnostic C and E	command from the	communication cable used is correct for your system.
indicators are illuminated	communications port(s)	For assistance, contact your local dealer, Emerson
		representative or Emerson Channel Support.
	UPS failure (includes dual-fan
Fault indicator and diagnostic	failure, single-fan failure under	Ensure fan is not blocked up. If the fault is not removed,
A and B indicators are	certain conditions and battery	contact your local dealer, Emerson representative or
illuminated	charger failure) and continuous	Emerson Channel Support.
	alarm
	UPS detected a line-to-neutral
	reversal or a loss of proper
	grounding for UPS; continuous
	horn and UPS cannot start up
	in standby status. This is active	Contact a qualified electrician to verify site wiring.
AC input indicator is flashing.	only when power is first
	applied to the input. Once the
	UPS is running, the AC input
	indicator will flash, unless the
	input wiring is correctly
	changed.
		Check battery connections, completely power down and
	Battery source is not available;	restart UPS.
Battery indicator is flashing.		NOTE: If the battery circuit opens while the UPS is
	continuous horn.
		running, it will be detected when the next battery test is
		performed.
		The AC input powers the PFC input and serves as the
	Because the voltage or	bypass source. If the AC is present but the voltage or
Bypass indicator is flashing.	frequency is outside	frequency exceeds the acceptable range for safe
	acceptable limits, the bypass is	operation with a load, the bypass will be disabled and
	disabled.	this indicator will flash, indicating that the bypass is
		unavailable.

When reporting a UPS issue to Emerson, include the UPS model and serial number. These are on the top panel of the Liebert GXT3.

31 Liebert® GXT3™