F01 - FLUE TEMP/WAT LV

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F01 - FLUE TEMP/WAT LV

Postby HTP » Thu May 24, 2012 11:11 pm

Fault Code F01 - FLUE TEMP/WAT LV

This display indicates that the flue temperature limit switch of the boiler has tripped or that the water level in the boiler is low (this will only occur if the optional UL353 LWCO is installed). This code indicates a serious safety issue. The boiler will not restart until the flue cools down sufficiently or the water level is restored. A technician must repair the cause of the problem and push the RESET button first on the low water cut-off control box, then on the display. This situation is indicated by the red light on the display and the word LOCKOUT flashing on the display. During this lockout fault, the pump will be on as indicated on the second line of the display.

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