Medium
286 / D1 on Worcester Bosch Greenstar CDi Compact

Your boiler is detecting that the water returning from your radiators is hotter than it should be, causing it to pause heating to prevent overheating.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Return temperature too high

Engineer required

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

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Related fault codes

285View →A1View →

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