Samsung AC026KNADEH, Service Manual

Page: 2 / 82

Contents
1 1. Precautions
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1-1
1-1 Precautions for the Service .............................................................................................................. 1-1
1-2 Precautions related to static electricity and PL ............................................................................ 1-1
1-3 Precautions related to product safety ........................................................................................... 1-2
1-4 Other precautions .............................................................................................................................. 1-2
1 2. Product Specifications
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2-1
2-1 The Feature of Product
.....................................................................................................................
2-1
2-2 Product Specifications ...................................................................................................................... 2-2
2-3 Accessories .......................................................................................................................................... 2-4
1 3. Disassembly and Reassembly
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3-1
3-1 Indoor Unit
.........................................................................................................................................
3-2
3-2 Outdoor Unit
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3-11
1 4. Troubleshooting
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4-1
4-1 Troubleshooting for indoor unit
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4-1
4-2 Troubleshooting for outdoor unit
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4-9
4-3 Troubleshooting by symptoms
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4-10
4-3-1 Indoor temperature sensor (open/short)
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4-10
4-3-2 Indoor heat exchanger temperature sensor (open/short)
.............................................
4-11
4-3-3 Indoor FAN error
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4-12
4-3-4 Communication error after finishing Tracking ................................................................. 4-13
4-3-5 Indoor unit float sensor error
...............................................................................................
4-14
4-3-6 EEPROM circuit failure ........................................................................................................... 4-15
4-3-7 Outdoor unit is not powered on ......................................................................................... 4-16
4-4 Troubleshooting by symptoms ................................................................................................................... 4-18
4-4-1 Communication error .......................................................................................................... 4-18
4-4-2 Outdoor temperature sensor error .................................................................................... 4-19
4-4-3 Outdoor Coil temperature sensor error
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4-21
4-4-4 Outdoor Discharge temperature sensor error
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4-23
4-4-5 Outdoor Discharge over temperature error ..................................................................... 4-25
4-4-6 Outdoor Fan motor error .................................................................................................................... 4-26
4-4-7 Compressor starting error .................................................................................................................. 4-27
4-4-8 Compressor wire missing error/rotation error .......................................................................... 4-28