Section 0
Samsung Electronics 1
Contents
1. Precautions ........................................................................................................ 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
2. Product Specifications ...................................................................................... 2-1
2-1 The Feature of Product ..................................................................................................................................... 2-1
2-1-1 Features ....................................................................................................................................................... 2-1
2-2 Product Specifications ...................................................................................................................................... 2-4
2-3 Specifications of optional items .................................................................................................................... 2-5
2-3-1 Accessories ................................................................................................................................................. 2-5
2-3-2 Filter specifications ................................................................................................................................. 2-9
3. Disassembly and Reassembly .......................................................................... 3-1
3-1 Indoor unit ..................................................................................................................................................... 3-2
3-2 Outdoor Unit ................................................................................................................................................. 3-8
4. Troubleshooting ............................................................................................... 4-1
4-1 Setting an indoor unit address and installation option ...................................................................... 4-1
4-1-1 The procedure of setting option ....................................................................................................... 4-1
4-1-2 The procedure of setting option ....................................................................................................... 4-2
4-1-3 Order for Setting Options (Wired Remote Controller) ............................................................. 4-5
4-1-4 Setting an indoor unit installation option
(Suitable for the condition of each installation location) ........................................................ 4-6
4-1-5 Changing a particular option ............................................................................................................. 4-8
4-1-6 Option code for each model............................................................................................................... 4-9
4-2 Items to check before diagnostics ............................................................................................................... 4-10
4-2-1 Test run mode and View Mode ......................................................................................................... 4-10
4-2-2 Eco Mode [Power Saving Mode] ....................................................................................................... 4-12
4-2-3 Four directions cassette type ............................................................................................................. 4-13
4-2-4 Wired remote controller ....................................................................................................................... 4-14
4-3 Troubleshooting by symptoms ..................................................................................................................... 4-17
4-3-1 Indoor temperature sensor (open/short) ...................................................................................... 4-17
4-3-2 Indoor heat exchanger temperature sensor (open/short) ..................................................... 4-18
4-3-3 Indoor FAN error ...................................................................................................................................... 4-19
4-3-4 Communication error after finishing Tracking ............................................................................ 4-20
4-3-5 Indoor unit float sensor error ............................................................................................................. 4-21
4-3-6 EEPROM circuit failure ........................................................................................................................... 4-22
4-3-7 Thermal Fuse Open Error ..................................................................................................................... 4-23
4-3-8 When the outdoor unit power is not ON
– Initial Diagnosis (AC048JXQRHH, AC048JXQRHC): 3-phase products ........................... 4-24
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