Low
Pr00 on Johnson Starley Warmcair DW

Your boiler is currently set to its installer configuration mode, meaning it is waiting for a professional to adjust its internal 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.

What the manual says

Manufacturer manual

Installer mode entry parameter

From this model's manual
Verified against the Johnson Starley Warmcair Dw installation & service 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

Press the Reset button once to exit the installer menuTurn the power to the boiler off and back on at the fused spur switchIf the code persists, avoid pressing additional menu buttons as this may alter calibration settings

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