High
F70 on Glow-worm Easicom 24

Your boiler's internal computer brain and display screen are struggling to talk to each other because they don't recognise each other's security settings.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

User interface incompatible with the main board. Incorrect product code

From this model's manual
Verified against the Glow Worm Easicom 24 installation & service manual, page 29.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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F71View →F1View →F22View →

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