Delta Electronics 3KVA, 700VA manual Fault Message, “FAULT”LED lights on, UPS failure, alarm beeps

	The exhaust fans and ventilation	Choose a well-ventilated area
		to position your UPS to allow
UPS over temperature.	grills may be obstructed.	adequate dissipation of heat.
	The environment temperature	Position your UPS in cooler
	exceeds 40oC (104oF).	area.
“FAULT”LED lights on,	UPS failure.	Call fore service engineer.
alarm beeps
“OVERLOAD” LED	Overloaded.	Remove some critical load.
lights on and buzzer
beeps continuously.

FAULT MESSAGE

Following information indicates various symptoms.

Use this information to determine what factors cause the problem .

1.Alarm will sound to alert user that the UPS requires attention.

2.One or more additional load/battery level LED indicators will illuminate to provide a diagnostic aid to the operator, described as below:

Output temperature protect	D & C LEDs light on
Output over voltage protect	D LED light on
Output under voltage protect	C LED light on
Bus over voltage protect	B LED light on
Bus under voltage protect	A LED light on

A B C D

Fig 7-1

In case that failure is happened and utility is too low or too high, the UPS output will disable and the bypass and line led will flash.

A B C D

Fig 7-2

If problem continues, contact your local dealer.

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S H E E T 2 6 T O