Midea PC 04 fault code
Midea air conditioning
What the Midea PC 04 fault code means, from the manufacturer's own service literature, and the UK models it applies to.
What it means
Safety: Safe isolation before disconnecting the compressor or testing the inverter board — capacitors hold charge.
Source: Midea Breezeless 3D INV service manual SM_FA(GA)_R32 (midea.com), §2.1 error-code table
UK models this code applies to
Tap yours to open PC 04 on that machine.
Wall-mounted12
Cassettes12
Ducted14
Ceiling or floor5
PC 04 on these comes from each model's own manual, which may not match the meaning above — tap yours to read it.
Wall-mounted19
Ducted5
Now the harder half: proving what caused it
PC 04 names a symptom, not a root cause. In the app, the same code opens a guided investigation: what to measure first, the expected values for your exact model, and an honest verdict — including “nothing in this machine is broken” when that's what the readings say.
Chase PC 04 on your machine →Free, no sign-up. Pick the model: where we hold a chart for it, it takes you through one question at a time.
Or watch one get chased — free demo →
Or use it in your browser on any phone or laptop.
Related codes
- EH 60T1 room sensor error
- EH 61T2 evaporator-centre sensor error
- EL 0CRefrigerant leakage detected
- EL 01Indoor/outdoor communication error
- PC 00IPM malfunction / IGBT over-current protection
- PC 01Over-voltage or under-voltage protection
- PC 02Compressor / IPM overheat or high-pressure protection
- PC 03Low-pressure protection
- PC 08Current overload protection
- PC 40Outdoor main ↔ compressor-drive comms error