Low
5 pulses on Worcester Bosch Hideaway

Your boiler has been left in a manual testing mode after a recent service, preventing it from operating at its normal settings.

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

Check service mode switch is in max position

DIY fix possible

Locate the service switch behind the front casing doorEnsure the switch is turned to the 'Normal' or 'Maximum' operational positionReset the boiler using the reset button

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