Midea H0

Critical

V6/V8 — Communication error between main control chip and inverter driver chip.

Midea H0: Communication error between main control chip and inverter driver chip. This fault typically halts operation and needs immediate attention.

Possible causes

Internal inverter PCB wiring/connector faulty.
Inverter PCB faulty.

Check steps

Check inverter PCB connectors.
If it persists, replace the inverter PCB.

Affected parts

Inverterplatine

Safety note

Discharge capacitors, isolate power.

Source: Midea V6 VRF 50/60Hz Service Manual (20180419), Part 6 "Diagnosis and Troubleshooting", Table 6-1.1 Error Code Table, p.70-71

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

Related fault codes

Condenser fan motor failed or drawing excessivE2 Reversing valve not switching correctly.E3 Insufficient refrigerant.E5 Oil not returning to compressor.E6 Main outdoor control board error.E7 System configuration error.E8