High
13 on Ideal Classic NF30–NF80

Your boiler is not receiving any electrical power, so the main power light remains off and the unit cannot start.

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

Mains ON neon is not illuminated (Check mains supply, fuses, programmer, and system thermostats)

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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