Knowledgebase & FAQs

You've told me my phone line has a Battery Contact Fault, what's this?

The phone line that is serving your premises may encounter a fault condition that causes problems for your broadband and/or telephone service.

In the terminology of BT, the fault in this case is known as a "Battery Contact Fault"

To the rest of us it is more specifically: "surplus voltage as been detected" - essentially there is too much power on your line.

This is commonly caused by:

(A) Your line coming in contact with another
(B) Worn cables
(C) Wet Joints
(D) Other water related issues (common where poor weather is being experienced)

This fault requires BT Openreach engineers to resolve the fault.

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