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1-1. Precautions for the Service

1-2. Precautions related to static electricity and PL

1-3. Precautions related to product safety

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1-4. Other precautions

2. Product Specifications

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2-1. The Feature of Product

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2-2. Product Specifications

2-3. Specifications of optional items

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2-3-1. Accessories

2-3-2. Wireless remote controller (AR-KH00U)

2-3-3. Wired remote controller (AWR-WE10N)

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2-3-4. Filter specifications

3. Disassembly and Reassembly

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3-1. Necessary Tools

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3-2. Indoor Unit

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3-3. Outdoor Unit

4. Troubleshooting

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4-1. Setting an indoor unit address and installation option

4-1-1. The procedure of setting option

4-1-2. The procedure of setting option

4-1-3. Order for Setting Options (Wired Remote Controller)

4-1-4. Indoor address(MAIN/RMC)setting

4-1-5. Set the indoor installation options(Option to set for the installation site conditions)

4-1-6. Changing the addresses and options individually

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4-2. Model-specific option code

4-3. Items to check before diagnostics

4-3-1. Test run mode and View mode

4-3-2. Eco Mode [Power Save Mode]

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4-3-3. Error code [indoor]

4-3-4. Error code [outdoor]

4-3-5.Wired remote controller

4-4. Troubleshooting by symptoms

4-1-1. When the outdoor unit power is not ON - Initial Diagnosis : 1-phase products

4-4-2. Indoor temperature sensor error (E121)

4-4-3. Indoor heat exchanger temperature sensor error (E122)

4-4-4. Indoor Fan error (E154)

4-4-5. Communication error after finishing Tracking (E202)

4-4-6. Indoor unit float sensor error

4-4-7. EEPROM circuit failure (E162)

4-4-8. When the outdoor unit power is not ON - Initial Diagnosis : 3-phase products

4-4-9. Indoor/outdoor communication error (1min.) (Error Code : E202)

4-4-10. Communication error between outdoor unit INV

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MAIN MICOM (1 min.)(Error Code: E203)

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