Samsung AM040FXMDEH, Service Manual

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Contents
غ͑ Product Specifications
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1
1. The Feature of Product ........................................................................................................................ 1
1-1 Featres ........................................................................................................................... 1
2. Product Specifications ......................................................................................................................... 7
1
غ͑
Disassembly and Reassembly
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11
1
غ
Troubleshooting
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30
1. Error Display
.......................................................................................................................................... 30
2. Error Code
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31
3. How to take measures for each symptom
.......................................................................................
32
3-1 Communicaion error between indoor and outdoor units during tracking(Error Code:E201) ....... 32
3-2 Communicaion error between indoor and outdoor units during tracking(Error Code:E202) ....... 33
3-3 Communicaion error (1minute)between Main and Sub Micoms of an Outdoor unit or among
Outdoor Units (Error Code:E203) ....................................................................................... 34
3-4 Outdoor temperature sensor error (Error Code : E221, E231, E251, E269) ................................. 35
3-5 High pressure temperature sensor error (Open/Short) (Error Code : E291)
Low pressure temperature sensor error (Open/Short) (Error Code : E296) ...... 36
3-6 Compressor down by antifreeze control (Error Code: E403) ................................................... 37
3-7 Comp. down due to a protective control of high pressure (Error Code : E407) .......................... 38
3-8 Comp. down due to a protective control of low pressureError Code : E410) ............................. 39
3-9 Comp. down due to a discharge temperature sensor of a compressor (Error Code : E416).......... 40
3-10 Reverse phase detection error (3Phase outdoor unit) (Error Code : E425) ............................... 41
3-11 ESC EEV open error (Error Code : E438) .............................................................................. 42
3-12 Refrigerant leakage error (Error Code : E439) ...................................................................... 43
3-13 Prohibition of the compressor operation due to outdoor temperature (Error Code : E440, 441) ..... 44
3-14 Refrigerant leakage error (during operation) (Error Code : E443) .............................................. 44
3-15 Outdoor unit fan error (Error Code : E458, 475) ..................................................................... 45
3-16 Comp down due to OLP temperature control (Error Code : E463) ............................................ 46
3-17 Compressor starting/rotation error (Error Code : E461, E467) .................................................. 47
3-18 Current error / PFC overload error (Error Code : E462, E484) .................................................... 49
3-19 IPM over current error (Error Code : E464) .......................................................................... 50
3-20 DC-Link voltage under/over error (Error Code : E466) .......................................................... 53
3-21 Gas leak error (Error Code : E554) ...................................................................................... 55
3-22 Others .......................................................................................................................... 57
1 غ PCB Diagram
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58
1 غ Wiring Diagram
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64
1
غ
Reference Sheet
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66
1. Refrigerant cycle diagram
...................................................................................................................
66
2. Nomenclature
......................................................................................................................................
67
1 غ Check Operation & Amount of Refrigerant Automatically Checking
.......
68
1. Check Operation
...................................................................................................................................
68
1-1 Check Operation ............................................................................................................. 68
1-2 How to trouble of the "Undetermined" ............................................................................... 69
1-3 Automatic Commissioning Error Code ................................................................................ 76
2. Amount of Refrigerant Automatically Checking
...........................................................................
77