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Midea Air Conditioner PC 01 Error Code
Supply voltage too high or too low on Midea air conditioners.
MideaAll Midea air conditioner codes
The outdoor board measured voltage outside its safe range and stopped the compressor. Brownouts, storms, a weak utility supply, or a loose connection in the supply wiring can all cause it.
Compatible models
Midea inverter splits with the newer display codes. No list of affected models has been published.
Also shown as
P1 on older units. Midea's technical bulletin describes it as the DC bus voltage between the board's P and N points being out of range, which is what the board sees when supply voltage drops or spikes.
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 PC 01
Wait out the storm
If the lights in the house are flickering or the power has been unstable, leave the system off until things settle.
Spot a pattern
When power is back, note if the code returns at a certain time of day, like when a well pump, dryer or other big appliance starts.
When to call a technician
If it keeps happening on a steady supply, call an electrician or HVAC technician to check the voltage at the outdoor unit and the wiring connections. Don't open the panel or disconnect yourself.
Parts linked to PC 01
These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.
- power supply wiring
- outdoor control PCB
Order parts by your full model number so they fit.
Frequently asked questions
Which Midea models show the PC 01 code?
Midea inverter splits with the newer display codes. No list of affected models has been published.
Can I fix Midea PC 01 myself?
Often. The first steps above are safe checks a homeowner can do. If they don't clear PC 01, 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 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
- 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.