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Midea MEHSU-09PHH2

Midea MEHSU-09PHH2
90 pages
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Mission 3D Inverter Series
Service Manual 2016
MBSUL-A-1604

Table of Contents

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Midea MEHSU-09PHH2 Specifications

General IconGeneral
BrandMidea
ModelMEHSU-09PHH2
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Safety Warnings and Guidelines

Essential safety guidelines and warnings for installation and operation to prevent hazards.

Refrigerant Cycle Diagram

Wiring Diagrams

Indoor Unit Wiring

Electrical connection diagrams for the indoor unit, including optional components.

Outdoor Unit Wiring

Electrical connection diagrams for the outdoor unit, detailing PCB and component connections.

Installation Procedures

Electronic Functions

Main Protection Mechanisms

Details various protection functions for the compressor, fan, and inverter module.

Troubleshooting

Indoor Unit Error Displays

Lists and explains error codes displayed by the indoor unit, with troubleshooting steps.

Outdoor Unit Error Displays

Illustrates PCB layouts and connection points for outdoor units, aiding error identification.

Diagnosis and Solution: EEPROM Error

Guides on diagnosing and resolving EEPROM parameter errors (E0/F4) with PCB locations.

Diagnosis and Solution: Communication Error

Troubleshooting steps for indoor/outdoor unit communication errors (E1), including wiring checks.

Diagnosis and Solution: Fan Speed Control

Troubleshooting steps for fan speed control issues (E3/F5), involving wiring and motor checks.

Diagnosis and Solution: Sensor Circuit Errors

Steps for diagnosing and resolving temperature sensor open/short circuit errors (E4/E5/F1/F2/F3).

Diagnosis and Solution: Refrigerant Leakage

Troubleshooting guide for refrigerant leakage detection (EC), including sensor and system checks.

Compressor Diagnostics

IPM Continuity Testing

Disassembly Procedures

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