F02 Fault Code for Boilers: Supply Sensor

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

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F02 Fault Code for Boilers: Supply Sensor

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

Indicates that the supply temperature sensor of the boiler has failed. This is a serious safety issue and the boiler will not restart until the sensor is replaced by a technician and he pushes the RESET button on the display. This situation is indicated by the red light on the display and the flashing word LOCKOUT. During this lockout fault, the pump will be on as indicated on the second line of the display.

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