E 87 High

Warmhaus E 87 Fault Code

Also written as E87 — same fault.

The Warmhaus E 87 fault code means: your boiler has detected an internal communication error with the mechanism that controls the gas supply, meaning it has safely shut itself down to prevent operation with a potential fault.. It appears on 1 Warmhaus 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: Problem on electronic gas valve circuit
Typical repair cost £150-250 (including labour)

Engineer required

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

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Avoid the next call-out bill

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Warmhaus models that show the E 87 fault code

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

Source

Warmhaus E 87 fault code information on this page is sourced and cross-checked against the official Warmhaus service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026