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F00 Fault Code for Tanks: Hight Water Temperature

PostPosted: Wed May 30, 2012 12:07 pm
by HTP
This display indicates that the water in the tank has overheated. This is a serious safety issue, as indicated by the red fault light and the flashing the word LOCKOUT on the display. The unit will not restart until it cools sufficiently and a technician repairs the cause of overheating and resets the unit. During this lockout fault, the pump will be on as indicated on the second line of the display in an effort to cool down the boiler.