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Midea Air Conditioner E1 Error Code
Portable AC room temperature sensor fault on Midea air conditioners.
MideaAll Midea air conditioner codes
Midea portables read the room temperature from a sensor inside the cabinet. E1 means that reading isn't valid, usually from a failed sensor or a loose plug.
Compatible models
Midea portable air conditioners, per its US support page. No specific models are named.
Also shown as
On older Midea mini-splits E1 is the indoor-outdoor communication fault (now EL 01). Midea window units use AS for the room sensor.
Difficulty
Start with the safe checks below; a worn part may need replacing.
Not sure you are reading the code right? See how to read Midea air conditioner codes.
How to fix Midea E1
Restart it
Unplug the portable for a few minutes, plug it back in, and start it again.
Check the filter
While it's unplugged, pull out the back filter and vacuum or rinse it. Let it dry before refitting.
When to call a technician
If E1 comes back, contact Midea service. Replacing the sensor means opening the cabinet.
Parts linked to E1
These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.
Order parts by your full model number so they fit.
Frequently asked questions
Which Midea models show the E1 code?
Midea portable air conditioners, per its US support page. No specific models are named.
Can I fix Midea E1 myself?
Often. The first steps above are safe checks a homeowner can do. If they don't clear E1, the cause is likely a worn part that needs replacing.
Other Midea air conditioner codes
- EL 01Indoor and outdoor units have lost contact
- EH 00Indoor board memory (EEPROM) fault
- EH 03Indoor fan speed out of range
- EH 60Room temperature sensor fault
- EH 61Indoor coil sensor fault
- EH 0bIndoor main board and display aren't talking
- EL 0CPossible refrigerant leak detected
- EC 07Outdoor fan speed out of control
- EC 53Outdoor air temperature sensor fault
- EC 52Outdoor coil sensor fault
- EC 54Compressor discharge sensor fault
- PC 00Inverter power module (IPM) protection
- PC 01Supply voltage too high or too low
- PC 02Compressor or power module overheating
- PC 04Inverter compressor drive error
- PC 08Over-current protection
- PC 0LToo cold outside to run
- P1Portable AC water tank is full
- E2Portable AC evaporator sensor fault
- E4Portable AC display panel communication fault
- ASWindow AC room temperature sensor fault
Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.