I have a 12KW window AC unit that has an electronic control. The old
control had a problem randomly beeping and raising the temp by one degree.
It would do this until the temp was over 80F. I never figured out what
caused it to do this but it was replaced with a new one. The new one
doesn't go random, but it also doesn't get as cool as the other one did.
The compressor comes on a lot less often. I told the service guy and he
says that the new control needs to be replaced. He says there is no
When cleaning the filter I noticed that there is a small sensor mounted to
the vents. It has a plastic base that is at least as wide as the sensor.
At first I assumed that this sensor was to measure the amount of cool air
returning to the unit. I took a piece of paper and covered the sensor to
see if this would allow the compressor to come on more.(this didn't work).
So I thought......the sensor could be to make sure there was air flow to the
unit (so the more the better) I took the paper off and moved the sensor so
less of the base was behind the sensor for more air flow to the sensor. (if
this helped it only helped a little).
Can air flow to this sensor matter? Was the service guy right?
- posted 17 years ago