Low
208 on Worcester Bosch Hideaway 90

Your boiler is currently running at full power for a manual testing sequence and needs to be returned to its normal operating mode.

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.

What the manual says

Manufacturer manual

The boiler is in chimney sweep mode

Shared across the range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the chimney sweep switch (icon showing a small brush or a hole in a chimney).Toggle the switch back to the 'Off' or 'O' position.The boiler should return to normal temperature control automatically.

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