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Carrier 52PQ307 Wall/Window Air Conditioner Questions & Answers
My ac is carrier company window a/c its indicating {fl}
From the manual.
Message on the display(electronic models)
E4 1. Failure in the inside temperature sensor
E5 2. Failure in the outside temperature sensor
FL 3. Dirty filter
To fix vaccume (or wash your filter) then
hold down "Select"(or "Mode") and "-" (or "^") for 3 secconds.
My window ac is showing
While AC is ON, press the MODE and Arrow Down button simultaneously for 5 to 10 sec until "FL" message disappear and room temp is indicated.
When the unit is turned
You can check the cause of that smell if you have the tools to open the unit. The first test is to place a piece of paper in front of the evaporator and start the fan. If the paper is **** or stays in front of the evaporator, you have a clean evaporator. If it is not ****, you need to open and clean the unit. The blower may be filled with dust and molds. It is best to find someone who knows how to work and clean your a/c unit
WE HAVE A CARRIER WALL
If you are in a high humid area, there will be a lot of water taken out of the air so you want to exhaust to the outside. If you are in a lower humidity area, then shut would be the better option, but it should work in either position, but if you get water dripping out then you might want to change the setting.
Under the window heat pumps,
The compressor is hermetically sealed. They have overload protection for temperature but it is not manually resettable. Check for proper voltage at the contactor going to the compressor.
Carrier 42csr series cannot turn
Transmission problem between remote and PCB sensor. Please replace batteries in your remote and try. If not try with another same type remote. If still problem persists, problem with receiving sensor in PCB. Repair or replace it.
The unit never turns off. It appears the
If it's logistic thermostat don't keep in maximum. Keep in 11th hr position.If remote control, check your room sensor in front of the coil, may be defective-Replace it.
No power on the ac switch board
Hi,
If there is no power in switch board you need to observe upstream line of power including your switch board, cables, circuit breaker supplying your air conditioner.
You may find poor connection, defective switch / breaker.
This task can be easy by using voltage meter and test pen.
Regards,
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