Recommendation Apc Building Wiring Fault Light

This problem has been fixed in all units by adding a pull up resistor.

Apc building wiring fault light. The site wiring fault swf led light is only present on 120v ups and surge products. If the site wiring fault led indicator small red light on the back of the smart ups is lit on your ups this means that there could be a site wiring fault in the building or in the outlet providing power to the ups. Overloaded neutral wire 5vdc measured between neutral and ground.

Apc recommends that you have a qualified electrician inspect your wiring for one or more of the conditions listed below. I don t believe the. What is the next step i should take.

I am most concerned with my equipment getting. There is an indicator labeled. Therefore the microprocessor pin used to monitor the circuit must be held high so the microprocessor does not incorrectly indicate a site wiring fault light.

I just moved into an apartment in an old house still has radiators. Tutorial for troubleshooting the building wiring fault bwf or site wiring fault swf indication on apc back ups smart ups and surgearrest products. The site wiring fault indicator doesn t mean there s something wrong with the ups usually it s one of the following.

The purpose of this indicator light is to warn you that there are problems with your building wiring that may result in a shock hazard. The site wiring fault swf led light is only present on 120v ups and surge products. A site wiring fault is caused by an overloaded neutral reversed polarity as you said or a missing ground wire or inability to reference the ground.

Apc surge protector shows building wiring fault light. Also depending on your devices or this heating system you turn on there could be some leakage to the neutral wire creating reference able voltage between ground and neutral. When the ups unit is plugged in this light is lit.