IBM UPS1500TLV, UPS750TLV, UPS1000TLV, UPS1000THV, UPS750THV manual Replace Battery LED is Illuminated

PROBLEM AND/OR POSSIBLE	SOLUTION
CAUSE
THE REPLACE BATTERY LED IS ILLUMINATED
Replace battery LED flashes	Check that the battery connectors are fully engaged.
and short beep is emitted every
two seconds to indicate the
battery is disconnected.
Weak battery.	Allow the battery to recharge for 24 hours. Then, perform a self-test. If the
	problem persists after recharging, replace the battery.
Failure of a battery self-test.	The uninterruptible power supply emits short beeps for one minute and the
	replace battery LED illuminates. 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.
THE SITE WIRING FAULT LED ON THE REAR PANEL IS ILLUMINATED (750TLV, 1000TLV & 1500TLV
MODELS ONLY)
The uninterruptible power sup-	Wiring faults detected include missing ground, hot-neutral polarity reversal,
ply is plugged into an improp-	and overloaded neutral circuit.
erly wired utility power outlet.	Contact a qualified electrician to correct the building wiring.
THE INPUT CIRCUIT BREAKER HAS TRIPPED
The plunger on the circuit	Reduce the load on the uninterruptible power supply by unplugging equip-
breaker pops out.	ment. Press in the plunger on the circuit breaker.
THE AVR BOOST OR TRIM LEDS ARE ILLUMINATED
Your system is experiencing	Have qualified service personnel check your facility for electrical prob-
excessive periods of low or	lems. If the problem continues, contact the utility company for further as-
high voltage.	sistance.
UNINTERRUPTIBLE POWER SUPPLY OPERATES ON BATTERY ALTHOUGH NORMAL LINE VOLTAGE
EXISTS
The uninterruptible power	To reduce the load on the uninterruptible power supply, unplug equipment
supply input circuit breaker	and press in the plunger on the circuit breaker.
tripped.
Very high, low, or distorted	Move the uninterruptible power supply to a different outlet on a different
line voltage.	circuit, as inexpensive fuel powered generators may distort the voltage. Test
	the input voltage with the utility voltage display (see Operation). If accept-
	able to the connected equipment, reduce the uninterruptible power supply
	sensitivity.
BATTERY CHARGE AND BATTERY LOAD LEDS FLASH SIMULTANEOUSLY
The uninterruptible power	Check that the room temperature is within the specified limits for operation.
supply has shutdown. The	Check that the uninterruptible power supply is properly installed, allowing
internal temperature of the
	for adequate ventilation.
uninterruptible power supply
has exceeded the allowable	Allow the uninterruptible power supply to cool down. Restart the uninter-
threshold for safe operation.	ruptible power supply. If the problem continues, contact IBM.

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