NOISY HEATER High

Potterton NOISY HEATER Fault Code

Also written as NOISYHEATER — same fault.

The Potterton NOISY HEATER fault code means: your boiler is struggling to process heat correctly, which is causing rattling or banging sounds and suggests internal components are dirty or clogged.. It appears on 1 Potterton model in our database.

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: 1. Heat exchanger scaled. Ultimately this will cause the heat exchanger fins to discolour and buckle. 2. Noisy ignition could be caused by incorrect setting of the slow ignition screw. 3. Reduced pilot rate caused by dirt. 4. Burner aeration ports and main flame ports blocked.
Typical repair cost £150-350 (including labour)

Engineer required

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

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Potterton models that show the NOISY HEATER fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Potterton NOISY HEATER fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026