How much does it cost to fix Remeha error code E32?

Typical repair cost for the Remeha E32 fault is £90-180 including labour.

E32 Low

Remeha E32 Fault Code

Q: What does the Remeha E32 fault code mean?

Your boiler's external temperature sensor is sending an incorrect signal, which usually means the system cannot adjust its heating based on the weather outside.

The Remeha E32 fault code means: your boiler's external temperature sensor is sending an incorrect signal, which usually means the system cannot adjust its heating based on the weather outside.. It appears on 8 Remeha models in our database.

Technical description: Outside temperature sensor error (S4)

What causes the Remeha E32 fault?

This fault occurs when the boiler is unable to receive a reliable signal from the small sensor mounted on the outside of your property. The most common reasons are that the sensor’s internal components have corroded due to exposure to the elements, or the electrical wiring connecting the sensor to the boiler has become damaged or loose.

This fault is often more noticeable during autumn and winter when the boiler needs to calculate higher flow temperatures to keep the home warm.

Typical repair cost £90-180 (including labour)

Engineer required

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

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Remeha models that show the E32 fault code

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

Source

Remeha E32 fault code information on this page is sourced and cross-checked against the official Remeha service / installation manuals for each affected model.

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