APC 420, 1400, 650, 1000 user manual Troubleshooting, Wall Mount Bracket

7.2 Wall Mount Bracket

A special wall mount bracket is available for this UPS. See your dealer or call the number at the front of this manual for more information.

8. Troubleshooting

Problem	Possible Cause	Solution
	On/off/test button not	Press the on/off/test button to power the UPS
	pushed.	and the load
	UPS input circuit breaker	Reduce the load on the UPS by unplugging
		equipment and reset the circuit breaker by
UPS will not turn on.	tripped.
		pressing the plunger back in.
		Check the AC power supply to the UPS with a
	Very low or no utility voltage.	table lamp. If very dim or off, have the utility
		voltage checked.
		Disconnect the computer interface or accessory.
UPS will not turn on or off.	Computer interface or	If the UPS now works normally, check the
	accessory problem.	interface cable, the attached computer, and the
		accessory.
UPS operates on-battery even	UPS's input circuit breaker	Reduce the load on the UPS by unplugging
though normal line voltage is		equipment and reset the circuit breaker by
thought to exist.	tripped.	pushing the plunger back in.
UPS beeps occasionally.	Normal UPS operation.	None. The UPS is protecting the load.
		Charge the battery. The UPS's batteries require
		recharging after an extended outage. Batteries age
	The UPS's battery is weak due	faster when put into service often and when
		operated at elevated temperatures. If the battery
UPS does not provide	to recent outage or is near the	is near the end of its service life, consider
	end of its service life.
expected back up time.		replacing the battery even if the replace battery
		indicator is not yet lit.
	The UPS is overloaded.	Unplug less needed equipment, such as printers.
Front panel indicators flash	The UPS has been shut down	None. The UPS will restart automatically when
		utility power returns.
sequentially.	by the UPS interface kit.
All indicators are illuminated		Do not attempt to use the UPS. Turn the UPS
and the UPS emits a constant	Internal UPS fault.	off and have it serviced immediately.
tone.
The UPS operates normally,	Building wiring error such as	Have a qualified electrician correct the building
but the site wiring fault	missing ground or hot to	wiring.
indicator is lit.	neutral wire reversal.

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