High
1 02 on Ariston E-Combi One 30

Your boiler is struggling to accurately measure the water pressure inside the system because the sensor that monitors it is likely faulty or disconnected.

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

Pressure Sens Error

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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Related fault codes

1 01View →1 03View →1 04View →

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