Low
E44 on Johnson Starley C16d

Your boiler's internal thermometer that measures the returning air temperature has developed an electrical fault and is no longer providing a signal.

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.

Technical description

Return air sensor shorted

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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