Question about Heating & Cooling
Furnace was not cleaned for some time. repairman came out and changed pressure switch. worked till he left and then shut off. He said the furnace needed cleaning.(vacumed out) We did this but could"nt do the blower as I didn't know how to remove it. cleaned as best I could and tried to start the furnace? No Luck??called repairmn out for third time to see what was the problem? He said probably was the circuit board??but lites on board were working . cleaned the sensor and the blower and ran for a while but does not heat house because it keeps shutting off?? Repairman feels the board is causing the problem because of it was coming and going (Intermittent)?? He also said it wasn"t getting enough air and was overheating?? Thought maybe the Air Cond Coil in Plenum was blocked(Dirty)?? My Daughter has spent Three Hund. Dollars and it still isn"t working.. Any Sugg?? Price of cr.bd??? Thank You, Don
Well guys it sounds to like you could have a duct work issue alot of times in the older houses the duct work is not sized correctly causing restriction of air flow wich in return is causing the limit to open in al if you have a 1200 cfm blower you have to bring in close to 1200 r/a and put out close to 1200cfms
Posted on Apr 05, 2009
If you have a air restriction, like the tech has said, then the system will be shutting down do to the high limit switch. This switch prevents the unit from over heating, to the point of causing sever damage. Before you call that company back out I would let them know that you are not going to pay for another trip because they haven't fixed the problem. Ruud does not have many problems with the control board. They are a die hard breed.
Posted on Nov 16, 2008
Make sure gas valve is on outside coming into the house,it sounds like a control board problem though
Posted on Nov 16, 2008
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Posted on Jan 02, 2017
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