Midea P5 Error Code – Inverter Module Protection

Air Conditioner · CRITICAL Severity

CRITICAL severity Air Conditioner Model: Midea 9V Series Inverter AC

What This Error Means

Inverter module protection activated

Diagnostic & Repair Steps

Power Off
Switch off at breaker. 🔧 None

RESET ~2 min

Inspect Inverter Module
Check inverter PCB for physical damage. 🔧 Flashlight ⚠️ Disconnect and wait 10 min

INSPECT ~15 min

Check Refrigerant
Incorrect charge stresses inverter module. 🔧 Manifold gauge set ⚠️ Certified technician only

TEST ~20 min

Check Compressor Windings
Measure compressor resistance. 🔧 Multimeter

TEST ~20 min

Replace Inverter Module/PCB
Replace if confirmed faulty. 🔧 New outdoor PCB

REPLACE ~45 min

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