High
E83-081 on Ideal Mini S18

Your boiler is struggling to detect the flow of water because the internal sensor or its protective filter is likely clogged or faulty.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Magnetic flow switch and filter

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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