Midea Vrf V4 Plus Service Manual -

: If one outdoor module fails, the manual explains how to configure the system so other modules can take over the load temporarily.

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I can provide the specific tables or diagrams for those tasks. midea vrf v4 plus service manual

Dirty outdoor coil; blocked air discharge; overcharged refrigerant; faulty EEV. : If one outdoor module fails, the manual

Clarifies communication connections like PQE (unit-to-unit communication) and XYE (automation/network connection). Troubleshooting & Maintenance | | P0 | IPM module protection |

| Error Code | Description | Manual Reference Page | Quick Diagnostic | | :--- | :--- | :--- | :--- | | | High pressure protection | 4-22 | Check condenser coil cleanliness; HP sensor resistance. | | E3 | Low pressure protection | 4-24 | Refrigerant leak check; suction valve fully open? | | P0 | IPM module protection | 5-11 | Test DC bus voltage (310-350V). Check compressor wiring. | | EE | EEPROM parameter error | 3-08 | Replace main PCB; cannot be field-repaired. | | L5 | Outdoor fan motor | 5-32 | Common in V4 Plus; check DC fan motor Hall sensor. | | dL | Communication (indoor-outdoor) | 3-44 | Check shielded twisted pair wiring; end resistor (120Ω). |

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