Low
270 on Worcester Bosch Junior 24i

Your boiler is working correctly and is simply increasing its power to reach the required temperature, which is normal operation and not a fault.

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

This fault may be fixable without an engineer. Check your manual first.

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