ATAG fault codes, explained.

Our engineers work on ATAG boilers across East Kent. If yours is showing a fault code, the safest next step is a quick call — we'll tell you honestly whether it needs a visit.

Listed below are frequently seen Atag boiler error codes, including what they mean and potential reasons.

Rather just get it fixed?

Same-day repairs across East Kent from Gas Safe engineers (№ 2836) who know ATAG boilers well.

Call 01304 381999
Call now Free quote