Rackmount Solutions Enterprise Series manual Troubleshooting

TROUBLESHOOTING

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Symptom	Possible Cause	What To Do
UPS will not turn on	On / Off / Test button not	Press the On button momentarily,
	pushed	(one beep) to start UPS
UPS operates in	Input AC circuit breaker is	Reset circuit breaker by
battery mode only,	tripped	pressing the plunger back in. If
even though there is		the AC circuit breaker trips
normal AC present		after UPS starts up, reduce the
		load on the UPS
Fault LED is	UPS has detected an internal	Call for service
illuminated	fault
The Site Wiring Fault	Incorrect service wiring	Have a qualified electrician
		correct the service wiring
LED is illuminated
The On-line/On-	The UPS is being controlled	Disconnect the computer cable
		from the UPS and press the On
Battery LED is	via its computer port
		button momentarily. If UPS works
illuminated, but there
		normally, software has control of
is no output
		the UPS
UPS does not provide	The batteries may be weak or	Charge the batteries for 8 hours
expected backup time	at the end of useful service	and retest. If the backup time is
with internal batteries	life. The Battery Pack's circuit	still less than expected, the bat-
or with a Battery Pack	breaker maybe tripped	teries may need to be replaced,
		even though the Weak/Bad
		Battery LED is not illuminated.
		Reset the Battery Pack's circuit
		breaker
Weak/Bad Battery LED	Weak or bad batteries/bad bat-	Check battery connection/replace
is illuminated	tery connection	batteries. Follow battery replace-
		ment procedures in section 6
UPS occasionally	Normal operation	The UPS is performing its intended
emits a beep		function
Battery Pack does not	DC circuit breaker tripped.	Reset the DC circuit breaker.
charge	The Battery Pack's internal fuse	Call for service
	is blown
Overload LED is illumi-	The load has exceeded the	Check the specifications (see
nated and a constant	UPS's capacity	section 8). Remove part of the load
alarm
The On-Line LED is	The UPS is in either the Buck	The UPS is performimg its intended
blinking and the audible	mode or the Boost mode	function
alarm is silent

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