HAVEN'T USED THIS UNIT SINCE LAST SUMMER IT NOW SAYS E2 ON THE THERMOSTAT. i'M GUESSING THIS IS AN ERROR CODE....ANY WAY TO RESET IT?
SOURCE: My Heat will not work
the e2 code on a carrier comfort zone thermostat is indicitive of the external safety sensors which are located on your units ductwork in the attic. the e2 code are the hpt/ and lat sensor codes. the hpt is the heat pump temperature sensor and the lat is the leaving air temperature sensor. you can pull off the cover of the panel and behind it will actually give you all the fault codes associated with you carrier tsat.each sensor has a certain ohm rating and if its out of the range it will fail. now as to the reasons for failure, the indoor coil could be dirty, filters dirty, refrigerant charge incorrect.
SOURCE: e2 CODE ON SUNBEAM SCK14200DR
I just fixed this on mine one minute ago.
Take off the front panel.
You will see a black wire held onto the heat fins by a plastic clip.
This is the thermocouple that measures temperature.
Mine became unplugged from the circuit board and plugging it back in fixed the problem.
The wire goes into a steel box.
take off the screws on the bottom of the box, grab it by the lowed left corner and bend the metal up as far as you can.
The wire plugs into a small white connector on the circuit board.
plug it back in, bend the metal back down, screw it in, replace the cover, and you should be good to go.
-Alexander W MacFarlane IV Ph.D.
SOURCE: E2 error code on Haier cprd12xh7 portable air conditioner
Hi! You need to check pump filter. It could be jammed with a coin or hair clip. Now take the machine outside and empty it then lay it on its side and you can access the pump. Take it off, stand up the machine and pour hot water into the soap draw and check water should run out of bottom freely taking any fluff or bits with it. Now take apart the pump and clean it and dry all components before re-assembly. If the machine still doesn?t work then you need to replace the pump. Please do rate this solution as FixYa and revert for further assistance. Thanks Rylee
SOURCE: The thermostat is flashing and E2 error
It means the trailer is too warm for the thermostat to work - above 90 degrees inside. Take some ice and put in ziplock bag - place over thermostat and cool it down. Unit will start working when thermostat senses it is BELOW 90 degrees. FAULTY DESIGN.
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