IBM IBM UPS 7500XHV, IBM UPS 10000XHV setup guide Replace Battery Led Is Lit

PROBLEM AND POSSIBLE	SOLUTION
CAUSE

BYPASS AND OVERLOAD LEDS ARE LIT; UNINTERRUPTIBLE POWER SUPPLY EMITS A SUSTAINED
ALARM TONE
The uninterruptible power sup-	The connected equipment exceeds the specified maximum load.
ply is overloaded. The con-	The alarm remains on until the overload is removed. Disconnect nonessen-
nected equipment is drawing
	tial equipment from the uninterruptible power supply to eliminate the over-
more VA or more watts than
	load.
the uninterruptible power sup-
	The uninterruptible power supply continues to supply power as long as it is
ply can sustain.
	online and the circuit breaker does not trip; the uninterruptible power sup-
	ply will not provide power from batteries in the event of a utility voltage
	interruption.
	If a continuous overload occurs while the uninterruptible power supply is
	on battery, the unit turns off output in order to protect the uninterruptible
	power supply from possible damage.
BYPASS LED IS LIT
The bypass switch has been	If bypass is the chosen mode of operation, ignore the lit LED.
turned on manually.	If bypass is not the chosen mode of operation, move the bypass switch on
	the back of the uninterruptible power supply to the normal position.

FAULT AND OVERLOAD LEDS ARE LIT; UNINTERRUPTIBLE POWER SUPPLY EMITS A SUSTAINED
ALARM TONE
The uninterruptible power sup-	The connected equipment exceeds the specified maximum load.
ply has stopped sending power	Disconnect nonessential equipment from the uninterruptible power supply
to connected equipment.
	to eliminate the overload condition.
	Press the off button, then the on button to restore power to connected equip-
	ment.

FAULT LED LIT

There is an internal uninterrup-	Do not attempt to use the uninterruptible power supply. Turn off the unit
tible power supply fault.	and have it serviced immediately.
REPLACE BATTERY LED IS LIT
The replace battery LED	Check that the battery connectors are fully engaged.
flashes and a short beep is
emitted every two seconds to
indicate the battery is discon-
nected.
The battery is weak.	Allow the battery to recharge for 24 hours. Then, perform a self-test. If the
	problem persists after recharging, replace the battery.
A battery self-test has failed.	The uninterruptible power supply emits short beeps for one minute and the
	replace battery LED is lit. The uninterruptible power supply repeats the
	alarm every five hours. Perform the self-test procedure after the battery has
	charged for 24 hours to confirm the replace battery condition. The alarm
	stops and the LED clears if the battery passes the self-test.
UNINTERRUPTIBLE POWER SUPPLY OPERATES ON BATTERY ALTHOUGH NORMAL LINE VOLTAGE
EXISTS
There is very high, low, or	Move the uninterruptible power supply to a different outlet on a different
distorted line voltage.	circuit. Inexpensive fuel powered generators might distort the voltage. Test
	the input voltage with the utility voltage display. See Operation.

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