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Thread: Day and night package unit
03-06-2013, 11:38 PM #1
Day and night package unit
New to this site and i need a little help! I just replaced the control board on my day and night package unit after finding out the relay was bad because my ibm would never stop running...now I can't get it to work. I got. 24 volts to the board but nothing happens when I jump R to G or R to W. I know for sure the blower works I just can't get the call for heat I need. The unit is a early 90's so there is no flashing lights on it. Help me please!