Fault Codes / Midea / Pb

MI

Midea Pb

Critical

V6/V8 — DC link voltage too high.

Midea Pb: DC link voltage too high. This fault typically halts operation and needs immediate attention.

Possible causes

Mains overvoltage / inverter PCB.

Check steps

Measure mains & DC bus, check inverter.

Affected parts

Inverter-PCB

Safety note

High voltage! Let capacitors discharge.

Source: Midea V5/V6/V8 VRF Service Manual — Error Code Table

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

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