Question about Heating & Cooling
Reputable HVAC repairman replaced sequencer and that did not help. It still clicks and blows cold air for a while and then clicks and blows warm then hot air. He checked with his coworkers and they could not come up with another solution. It does this whether the fan speed is high or low. Also with the cover off giving it maximum return air. This started almost 7 years after I purchased the mobile home new.
There are Klixon high temperature limits in series with each element that will stop the voltage from going through to the element. Find out which one is klicking out, and replace.
Posted on Feb 21, 2014
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Posted on Jan 02, 2017
SOURCE: fan motor slow on a/c
If the fan motor has a capicator it could be bad. A bad cap will pull the motor down. If there is no cap then the motor beatings could be going bad. this can be checked by matching the motor amps with the rated amps on the unit information tag.
Posted on May 18, 2008
sounds like the motor is either wired incoirrectly and getting 1/2 power all the time or it is going to ground. check out the woiring real good and duse your ohhm meter to check for gounds.
Posted on Dec 21, 2008
Make sure a back draft in the flue is not happening. Wind can blow it out until the flue heats up. The flame sensor may not be close enough to the burner flame. It may be weak and need to be replaced or if its an optical one it may be dirty and not see the flame very well. Its not wasting much gas but it puts extra wear and tear on the gas controls, is noisy, and, as you said, blows cold drafty air. A gas control system that has issues of any kind is not real safe. It needs to get fixed.
Posted on Jan 08, 2009
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