F00 Fault Code for Boilers: High Water Temperature

This forum contains videos for troubleshooting issues with the HTP Mod Con VWH hot water supply boilers.

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F00 Fault Code for Boilers: High Water Temperature

Postby HTP » Wed May 30, 2012 12:07 pm

This display indicates if the water in the boiler has overheated. This code indicates a serious safety issue and the boiler will not restart until it cools sufficiently and a technician repairs the cause of overheating and pushes the RESET button on the display. This is a serious situation and is indicated by the red light on the display illuminating and the word LOCKOUT flashing on the display. During this lockout fault, the pump will be on as indicated on the second line in an effort to cool the boiler down.

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