Low
0.0 on Worcester Bosch ZB 7 27 HE

This code is simply a saved memory of a past issue and does not necessarily mean your boiler is currently broken.

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

Last fault (displayed when a fault has occurred and service function 2.0 is accessed)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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