High
Central Heating NTC fault on Heatline Capriz 28

Your boiler is struggling to accurately read its own temperature, so it has shut down your heating to prevent any potential overheating.

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

Central Heating LED flashing. Check or replace Central Heating NTC. 10-12 kohms @ 20 ºC.

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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