Low
1023 on Worcester Bosch Greenstar 8000 Style

Your boiler has been running for a very long time without a break and has automatically paused to prevent overheating or excessive wear.

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

Maximum run time including standby time reached

DIY fix possible

Switch the boiler off at the fused spur or mains isolation point.Wait for 60 seconds to allow the internal electronics to reset.Switch the boiler back on and observe if it operates normally.

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