Low
270 on Worcester Bosch 24 RSF

Your boiler is temporarily adjusting its power output to reach the correct temperature and should return to normal operation shortly.

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

The boiler is modulating upwards

DIY fix possible

Check that the radiator valves are fully openEnsure the system pressure is between 1 and 1.5 bar on the internal gaugeWait 10-15 minutes to see if the code clears during the normal heating cycle

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