Medium
A19 on Ariston Micro Condens

Your boiler has detected a communication error with its internal control system and needs a simple restart to try and clear the fault.

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.

What the manual says

Manufacturer manual

Try resetting the boiler

From this model's manual
Verified against the Ariston Micro Condens System installation & service manual, page 27.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the Reset button on the boiler control panel.Press and hold the Reset button for 3 to 5 seconds.Wait a few minutes to see if the boiler restarts and the error code clears.

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