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OUTDOOR SENSOR ERROR on Johnson Starley Quantec C

Your boiler is struggling to read the outside temperature and is likely using a backup setting to keep your home warm.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Outdoor sensor error

From this model's manual
Verified against the Johnson Starley Quantec C 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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Avoid the next call-out bill

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

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