How much does it cost to fix Keston error code E01 075?

Typical repair cost for the Keston E01 075 fault is £120-220 including labour.

E01 075 High

Keston E01 075 Fault Code

Q: What does the Keston E01 075 fault code mean?

Your boiler is failing to light the flame because there is a loose or damaged connection in the internal wire that creates the ignition spark.

Also written as E01075 — same fault.

The Keston E01 075 fault code means: your boiler is failing to light the flame because there is a loose or damaged connection in the internal wire that creates the ignition spark.. It appears on 1 Keston model in our database.

Technical description: HT Ignition Cable

Typical repair cost £120-220 (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 E01 075 fault code

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

K170 Repair: £120-220

Source

Keston E01 075 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