Table Of Contents - Samsung AM072/096/120/144FXVAFH Service Manual

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Table of Contents

Contents

1. Precautions .......................................................................................................... 1-1

1-1 Precautions for the Service ......................................................................................................................................1-1

1-2 Precautions for the Static Electricity and PL .....................................................................................................1-1

1-3 Precautions for the Safety ........................................................................................................................................1-1

1-4 Precautions for Handling Refrigerant for Air Conditioner ..........................................................................1-2

1-5 Precautions for Welding the Air Conditioner Pipe .........................................................................................1-2

1-6 Precautions for Additional Supplement of Air Conditioner Refrigerant ...............................................1-2

1-7 Other Precautions ........................................................................................................................................................1-2

2. Product Specifications ....................................................................................... 2-1

2-1 The Feature of Product ..............................................................................................................................................2-1

2-1-1 Feature ...............................................................................................................................................................2-1

2-1-2 Changes in comparison to basic mode ................................................................................................2-3

2-1-3 Structure of product .................................................................................................................................. 2-10

2-2 Product Specifications ........................................................................................................................................... 2-15

2-2-1 Outdoor Unit ................................................................................................................................................ 2-15

2-3 Accessory and Option Specifications ............................................................................................................... 2-24

2-3-1 Accessories .................................................................................................................................................... 2-24

3. Disassembly and Reassembly ........................................................................... 3-1

3-1 Necessary Tools .............................................................................................................................................................3-1

3-2 Disassembly and Reassembly .................................................................................................................................3-2

3-2-1 AM072FXVA

3-2-2 AM096FXVAJ /AM120FXVAJ /AM168HXVA

3-2-3 AM096FXVAF /AM120FXVAF /AM144FXVA

3-2-4 AM216KXVGJ✳ ............................................................................................................................................ 3-33

3-2-5 AM072/096/120HXWA

3-2-6 AM192HXWA

3-3 Caution at compressor exchange ...................................................................................................................... 3-62

3-4 MCU ................................................................................................................................................................................ 3-69

3-5 EEV KIT ........................................................................................................................................................................... 3-70

4. Troubleshooting .................................................................................................. 4-1

4-1 Check-up Window Description ..............................................................................................................................4-1

4-2 PCB Description ............................................................................................................................................................4-2

4-3 Service Operation ........................................................................................................................................................4-3

4-3-1 Special Operation ..........................................................................................................................................4-2

4-3-2 DVM S Models EEPROM Code Table ................................................................................................... 4-13

4-3-3 Number Display Method ........................................................................................................................ 4-13

4-4 Appropriate Measures for Different Symptom ............................................................................................. 4-18

4-4-1 Outdoor Unit Operation Flow ............................................................................................................... 4-18

4-4-2 Main PCB has no power phenomenon ............................................................................................. 4-23

4-4-3 Communication Error between Indoor and Outdoor Units during Tracking.................... 4-26

4-4-4 Communication Error between Indoor and Outdoor Units after Tracking ........................ 4-30

4-4-5 Communication error between main and sub Unit of outdoor unit or between outdoor units .. 4-32

4-4-6 Internal Communication error of the Outdoor Unit C-Box ....................................................... 4-34

4-4-7 Internal PCB Communication error of the Outdoor Unit C-Box.............................................. 4-36

4-4-8 MCU branch part setup error - inconsecutive connection with the use of 2 branch parts ..... 4-39

4-4-9 MCU branch part setup error-Repeated setup for the same address over 3 times ........ 4-40

4-4-10 MCU branch part setup error-non-installed address setup ................................................... 4-41

4-4-11 Setup Error for MCU Branch part - Setup Error for MCU Quantity Used .......................... 4-42

4-4-12 MCUMCU branch part setup error - Overlapping Indoor unit Address setup .............. 4-43

4-4-13 MCU branch part setup error - Set as being used without connection to an Indoor unit .. 4-44