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Ok, Randall, im going to wait to rate you. Great info, but Id rather spend a little time on it using your diagrams and advice. So, thanks for the initial response and you will hear from me soon. Have a great day.
Randall, one other follow up question.......My son said about a year ago when he messed with it, he was able to move the control by force to the heat position, but that he watched the knob slowly move itslef back to cold. Does that mean anything to you besides what you have already sent to me.?
ok, to get it inspected i disconnected the temp control cable at the damper lever. Dampers move freely and full range of motion. I wedged it in the full heat positon and got through inspection.
I noticed the knob will only move from 0 degrees to 180(full range of heat), but when attempting to turn clockwise to cool it stops dead at 0 degrees.
Next i am going to pull the trim off so that i can better see what the control assembly and cable look like in that area.
It seems it has to be either the cable is kinked or the knob(not the knob it self, but the area where it attaches) is impacting something or locking up.
Thanks a bunch. Ill let you know what the final outcome is. Going out to work on it now.
yes, you said that is not a common problem and doesnt appear to be for me. after ill isolate the culprit, ill follow up so you know and send your tip and excellent rating. Thanks a bunch. Great help!!!! Bill