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Contents
1
1. Precautions
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1-1
1-1 Precautions for the Service
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1-1
1-2 Precautions related to static electricity and PL
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1-1
1-3 Precautions related to product safety
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1-2
1-4 Other precautions
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1-2
1
2. Product Specifications
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2-1
2-1 The Feature of Product
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2-1
2-2 Product Specifications
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2-2
2-3 Accessories
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2-4
1
3. Disassembly and Reassembly
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3-1
3-1 Indoor Unit
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3-2
3-2 Outdoor Unit
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3-7
1
4. Troubleshooting
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4-1
4-1 Setting an indoor unit address and installation option
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4-1
4-1-1 The procedure of setting option
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4-1
4-1-2 The procedure of setting option
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4-2
4-1-3 Setting an indoor unit address (MAIN/RMC)
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4-4
4-1-4
Setting an indoor unit installation option (suitable for the condition of(each installation location)
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4-5
4-1-5 Changing a particular option
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4-7
4-1-6 Option code for each model
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4-8
4-2 Items to check before diagnostics
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4-9
4-2-1 Four directions cassette type
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4-9
4-2-2 Test run mode and View mode
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4-11
4-2-3 ECO mode(Power save)
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4-12
4-2-4 Troubleshooting for outdoor unit
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4-13
4-2-5 Wired remote controller
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4-14
4-3 Troubleshooting by symptoms
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4-15
4-3-1 Indoor temperature sensor (open/short)
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4-15
4-3-2 Indoor heat exchanger temperature sensor (open/short)
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4-16
4-3-3 Indoor FAN error
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4-17
4-3-4 Communication error after finishing Tracking
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4-18
4-3-5 Indoor unit float sensor error
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4-19
4-3-6 EEPROM circuit failure
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4-20
4-3-7 Outdoor unit is not powered on
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4-21