Last fault stored Low

Worcester Bosch Last fault stored Fault Code

Also written as LASTFAULTSTORED — same fault.

The Worcester Bosch Last fault stored fault code means: your boiler has stored a record of a previous error as part of its internal history log, which does not necessarily mean there is an active breakdown occurring right now.. It appears on 1 Worcester Bosch model in our database.

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: Call up the last fault stored by the Bosch Heatronic, Service Function .0

Engineer required

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

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Worcester Bosch models that show the Last fault stored fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Worcester Bosch Last fault stored fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026