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

Typical repair cost for the Keston E32 fault is £90-160 including labour.

E32 High

Keston E32 Fault Code

Q: What does the Keston E32 fault code mean?

Your boiler has lost its ability to regulate hot water temperature correctly because of a wiring or sensor fault, meaning you likely have no hot water.

The Keston E32 fault code means: your boiler has lost its ability to regulate hot water temperature correctly because of a wiring or sensor fault, meaning you likely have no hot water.. It appears on 9 Keston models in our database.

Technical description: DHW sensor short circuit – check connections to domestic hot water (DHW) sensor

What causes the Keston E32 fault?

This fault occurs when the boiler's internal computer receives an impossible electrical signal from the hot water temperature sensor. It typically happens because the sensor’s internal components have failed or the connecting wires have become damaged or loose, preventing the boiler from knowing how hot the water is.

Typical repair cost £90-160 (including labour)

Engineer required

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

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Keston models that show the E32 fault code

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

Source

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

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