Medium
Block 67 on Atag E32S

Your boiler has detected a temperature difference between its internal pipes while it is turned off, causing it to temporarily pause for safety.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

A (cid:39)T has been detected between flow and return sensor whereas the burner is not in operation. After the (cid:39)T has disappeared the block will disappear.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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