Home › Midea › Air Conditioners › PC 04
Midea Air Conditioner PC 04 Error Code
Inverter compressor drive error on Midea air conditioners.
MideaAll Midea air conditioner codes
The outdoor board couldn't control the inverter compressor properly. Midea's Taiwan list describes it as the compressor stalling or the board losing track of the rotor position. Causes range from a wiring problem to a failing compressor or drive board.
Compatible models
Midea inverter compressor systems that use the four-character codes. Model numbers aren't listed.
Also shown as
Shown as P4 on earlier units.
Difficulty
Try the basic checks, but the usual fix is a technician's job.
Not sure you are reading the code right? See how to read Midea air conditioner codes.
How to fix Midea PC 04
Watch the first start
After one long power-off (about 10 minutes), note whether the outdoor unit tries to start and stops after a few seconds. That detail helps the technician.
Check the outdoor unit for blockage
With the power off, make sure nothing is jammed against the outdoor unit or its fan.
When to call a technician
This needs a technician with the right test tools for inverter compressors. Repeated restarts can make things worse.
Parts linked to PC 04
These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.
- compressor
- inverter PCB
- outdoor control PCB
Order parts by your full model number so they fit.
Frequently asked questions
Which Midea models show the PC 04 code?
Midea inverter compressor systems that use the four-character codes. Model numbers aren't listed.
Can I fix Midea PC 04 myself?
Only the basic checks. You can safely try the steps above, but PC 04 usually points to a part or fault that needs a technician.
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 08Over-current protection
- PC 0LToo cold outside to run
- P1Portable AC water tank is full
- E1Portable AC room temperature sensor fault
- 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.