APC 2000XL, 900XL, 600XL Difficulty, Troubleshooting chart FheNbRc FeiiVNbR OMliR MOkVed ke kMaR

7.0Difficulty

7.1Troubleshooting chart

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1.UPS Enable switch is in the off 1. Turn on the rear panel UPS Enable switch. position or front panel switch not Press front panel switch to power UPS and

pressed.loads.

	2. UPS’s input circuit breaker is	2. Reduce the UPS’s load by unplugging
UPS will not turn on.	tripped (button is extended).	equipment and reset the circuit breaker (press
		button on rear panel).
	3. Very low utility voltage or dead	3. Check outlet with a table lamp. If very dim,
	outlet.	have utility voltage checked by an electrician.
	1. UPS’s input circuit breaker is	1. Reduce the UPS’s load by unplugging
	tripped (button is extended).	equipment and reset the circuit breaker (press
		button on rear panel).
UPS operates on-battery	2. Very high, low or badly	2. Test the input voltage with UPS’s Line
even though normal line	distorted line voltage.	voltage bar graph - see section 5.0.
voltage is thought to exist.		Inexpensive fuel powered generators can
		cause distorted line voltages - set Option
		switch 1 to the on ( I ) position.
UPS "beeps" occasionally.	This is normal.	The UPS is protecting your computer
		equipment from momentary sags or swells.
		Set Option switches 1 and 2 to match input
UPS beeps more than once	Chronically high or distorted line	voltage range. Alternatively, set Option switch
or twice an hour.	voltage.	3 to the on ( I ) position - see section 5.0.
	1. UPS’s battery is weak due to	1. The UPS’s batteries require recharging
	recent utility outage or wear.	following an extended outage. The batteries
UPS does not provide		will wear faster when put into service often
		and when operating at elevated temperatures.
expected back up time.	2. UPS is overloaded.	2. Check load using UPS’s Output power bar
		graph - see section 5.0. Unplug non-critical
		equipment such as printers.
Indicators on front panel flashUPS has been shut down by		UPS will restart when AC power returns.
in a "marquee" fashion.	computer software.
All indicators are illuminated		Do not attempt to use UPS. Turn off UPS and
and UPS emits constant tone.Internal UPS fault.		have it serviced immediately.
Site wiring fault light is	Building wiring error such as	A qualified electrician should be summoned to
illuminated - UPS operates	missing ground or hot-neutral
		correct the building wiring.
normally.	reversal.
Low battery light is illuminated	UPS is shut down and battery is	UPS will return to normal operation when
and on-line light is	discharged due to extended	power is restored and battery has charged
extinguished.	power failure.	sufficiently.
		Allow the batteries to recharge for at least 16
Replace battery light is	Weak battery.	hours. If the problem persists after recharging,
illuminated.		the batteries should be replaced.

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