Liebert PSITM user manual Troubleshooting chart, Problem Cause Solution

			Troubleshooting
Table 2	Troubleshooting chart
	Problem	Cause	Solution
			Check the circuit protector on the rear of the UPS.
			If it is tripped, reset it and restart the UPS. For
		Short circuit	further help, contact your local dealer, Liebert
UPS will not start			representative or the Liebert Worldwide Support
			Group.
		Battery disconnected or is	Check for proper connection of battery or
		completely discharged	batteries.
		UPS not plugged in	Plug in the power cord securely.
		Circuit protector tripped	Reset the circuit protector and restart the UPS.
UPS starts on battery, but will not			Wait until the voltage rises to an appropriate level
		Input voltage below threshold	or have the mains power checked by a qualified
switch to AC			electrician.
			Wait until voltage lowers to an appropriate level
		AC overvoltage	or have the mains power checked by a qualified
			electrician.
			Check load level display and remove non-
		Load exceeded UPS capacity	essential loads. Recalculate the load and reduce
		(110%), All Load Level Indicators	number of loads connected to UPS - the total
		are illuminated; continuous beep	wattage of your equipment must not exceed the
			capacity of the UPS.
		Over temperature shutdown, Over	Make sure that the UPS is operating in 0°C to
		Temp Indicator lit; continuous	40°C (32°F to 104°F) and that it has adequate
		beep	ventilation.
UPS shuts down		MultiLink shutdown	Consult the MultiLink user manual or contact your
			LAN administrator.
		Internal UPS fault, Fault Indicator	Contact your local dealer, Liebert representative
		Lit; continuous beep	or the Liebert Worldwide Support Group.
			Your UPS has received a signal or command
		UPS shutdown due to a command	from the attached computer. If this was
		from the communications port(s),	inadvertent, ensure the communication cable
		Load Level 0-25% Indicator	used is correct for your system. For assistance,
		illuminated	contact your local dealer, Liebert representative
			or the Liebert Worldwide Support Group.
			Check battery connections,
All Battery Level Indicators		UPS is unable to perform manual	completely power down and restart UPS.
		or remote battery test; beep every	NOTE: If the battery circuit opens while the UPS
flashing
		half second for five seconds	is running, it will be detected when the next
			battery test is performed.
Battery Indicator illuminated		UPS failed battery test	Initiate battery test again.
		Batteries weak	Recharge batteries.
amber; long beep every minute
		Batteries need to be replaced	Replace batteries.
		Over temperature warning; beep	Make sure that the UPS is operating in 0°C to
Over Temp Indicator flashing			40°C (32°F to 104°F) and that it has adequate
		every half second
			ventilation.
Fault Indicator lit but UPS is On		Fault warning; beep every half	Reset UPS.
		second

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