Questions & Answers for: Carrier error e4

E4 means return air sensor error, if the error cannot reset may be the return air sensor is out of range or defective. But if the sensor is ok you need to replace the control board itself. The reading

Carrier Celesta R - error code = E4 what does it mean? E-4 ..........short of asor no gas/E4 is an "Abnormality of Outdoor Unit."Find leak and arrest it. Recharge gas.

e4 error code You need to check the indoor fan motor. That is what the E4 code indicates, but it does not tell you what the source of the problem is. It is most likely a clogged air filter. You need ...

error E4 in 53 QH12-B check indoor fan motor

How to solve E4 error code shows at my A/C The E-4 is either a discharge thermistor or the Pc board, in my experiences has always been the thermistor. Hope this helps. Michael

Carrier AC Thermostat displays Error code E4? E4 indicates an internal memory error. Download the manual and refer to any possible solutions.

...E4 error If this is a ductless mini split e4 appears to be an air temp sensor on the indoor or outdoor unit that is sensing an abnormal reading. Check air filter and both I.d & o.d coil cleanliness. ...

...F4? Carrier does not list a P4 but it does list an F4 error code. F4 means outdoor mid-coil temperature sensor malfunction. Or how about E4? E4 means compressor discharge high temperature

...error E4.what is it? error codes are listed on inside of door panel on the carrier. Hallo, Check your model no and find the fault codes here. ...