American Power Conversion UPA9 Troubleshooting, Problem Probable Cause Solution

Troubleshooting

Problem	Probable Cause	Solution
LED lights when	The UPA voltage selector was	Unplug UPA from power source, select
plugged in, but computer	not properly set.	correct voltage setting (see “Compatibility
operates on battery.		Guide”), plug UPA back in.
LED does not light when	The fuse inside the UPA’s AUTO	Unscrew the tip of the AUTO power
plugged into a car.	power adapter plug is ’blown’.	adapter plug and replace the fuse.
LED has turned off;	UPA voltage selector was	Unplug UPA from power source, wait 10
computer operates on	changed while the UPA was in	seconds, plug UPA back in.
battery.	use.
	The UPA has protected the
	notebook from a voltage spike.
LED has turned off;	The computer required more	UPA will automatically restart once it has
computer operates on	power than the UPA could	cooled. Try to place the UPA in a cooler
battery and UPA is hot to	provide. UPA is located in a	area, with better air circulation (i.e.:
the touch.	place where it can not dissipate	outside of a Notebook Case). You can also
	heat adequately.	change the power management properties
		of your notebook to a lower power mode.

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