Low
1023 on Worcester Bosch 1000

Your boiler has been running for a very long period without a break and has automatically paused to prevent overheating.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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

What causes this fault?

Operating hours limit reached

DIY fix possible

Switch the boiler off at the mains power supplyWait for 60 seconds to allow the system to resetSwitch the power back on and observe if normal operation resumes

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