Unknown
4.2 on Ideal LOGIC+ COMBI2

Ideal LOGIC+ COMBI2 fault code 4.2

What the manual says

Manufacturer manual

Overheat Lockout

From this model's manual
Verified against the Ideal/Ideal Logic Plus Combi Logic Combi Installation Servicing installation & service manual.
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 fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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A cover plan would handle faults like 4.2: no call-out fees, no surprise bills.

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All 15 fault codes on the LOGIC+ COMBI2

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