Samsung AJ024JNADCH - Table of Contents; Trouble Shooting

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Contents
11. Precautions ........................................................................................................................................ 1-1
1-1 Installing the air conditioner .......................................................................................................... 1-1
1-2 Power supply and circuit breaker .................................................................................................. 1-1
1-3 During operation .............................................................................................................................. 1-2
1-4 Disposing of the unit ....................................................................................................................... 1-2
1-5 Others ................................................................................................................................................. 1-2
12. Product Specifications ............................................................................................................... 2-1
2-1 The Feature of Product .................................................................................................................... 2-1
2-2 Product Specifications ..................................................................................................................... 2-2
2-3 Accessory and Specifications .......................................................................................................... 2-8
3. Disassembly and Reassembly .............................................................................................. 3-1
3-1 Indoor Unit ......................................................................................................................................... 3-2
3-2 Outdoor Unit ..................................................................................................................................... 3-29
4. Trouble shooting ........................................................................................................................... 4-1
4-1 Display Error and Check Method ................................................................................................................ 4-1
4-1-1 Indoor Unit ................................................................................................................................................ 4-1
4-1-2 Outdoor Unit ............................................................................................................................................ 4-5
4-2 Setting Option Setup Method ...................................................................................................................... 4-7
4-2-1 Setting an indoor unit address and installation option ......................................................... 4-7
4-2-2 Changing a particular option ............................................................................................................ 4-11
4-3 Items to be checked first ................................................................................................................................. 4-12
4-4 Checking and Testing operation .................................................................................................................. 4-16
4-5 Fault Diagnosis by Symptom ........................................................................................................................ 4-24
4-5-1 Indoor ....................................................................................................................................................... 4-24
4-5-1-1 Indoor temperature sensor (open/short) ........................................................................... 4-24
4-5-1-2 Indoor FAN Error ( BLDC MOTOR MODEL ) ....................................................................... 4-25
4-5-1-3 Communication error after finishing Tracking ............................................................... 4-26
4-5-1-4 EEPROM circuit failure ............................................................................................................... 4-27
4-5-2 Outdoor unit is not powered on – Initial diagnosis(1phase) ............................................. 4-28
4-5-3 Outdoor unit fan error ....................................................................................................................... 4-29
4-5-4 Compressor startup error, Compressor Lock error, Compressor rotation error. ........ 4-30
4-5-5 IPM Over Current error ...................................................................................................................... 4-31
4-5-6 Checking Temperature sensor ........................................................................................................ 4-32
4-5-6-1 Outdoor Discharge/OLP temperature sensor error ...................................................... 4-32
4-5-6-2 Outdoor out/cond temperature sensor error .................................................................. 4-33
4-5-7 Checking EEV .......................................................................................................................................... 4-33
4-6 PCB Inspection Method ................................................................................................................................... 4-34
5. PCB Diagram and Parts list ...................................................................................................... 5-1
5-1 Indoor Unit ....................................................................................................................................... 5-1
5-2 Outdoor Unit .................................................................................................................................... 5-5
6. Wiring Diagram .............................................................................................................................. 6-1
6-1 Indoor Unit ....................................................................................................................................... 6-1
6-2 Outdoor Unit .................................................................................................................................... 6-4
7. Reference Sheet ............................................................................................................................. 7-1