DIY Doctor

central heating

Postby duckybob2003 » Sat Nov 24, 2007 3:23 pm

I had posted a Question about my heating unit guess nobody knows how to fix it or help to solve the problem because I got no reply. Maybe sombody new out there can help.

My heating unit is flashing a diag code 4 thermal detection device open the blwer will not start on its own I have to help itcould it be the blower or the board or should I say the computer.
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