Midea C7

Critical

V6/V8 — PL protection occurred three times in 100 minutes (repeated inverter module temperature protection).

Midea C7: PL protection occurred three times in 100 minutes (repeated inverter module temperature protection). This fault typically halts operation and needs immediate attention.

Possible causes

Repeated inverter heat sink overheating — inadequate cooling/ventilation.

Check steps

Clean the inverter heat sink/fan and check ventilation; review PL history.

Affected parts

Inverter-Kühlkörper
Inverterlüfter

Safety note

Isolate power before cleaning.

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.

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