Section 0
Samsung Electronics
1
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 Product Specifacations .....................................................................................................................................................................................2-1
2-1-1 Indoor Unit ..................................................................................................................................................................................................2-1
2-2 Accessory and Option Specifications ....................................................................................................................................................2-58
2-2-1 Accessories ...............................................................................................................................................................................................2-58
3. Disassembly and Reassembly ..................................................................................................3-1
3-1 Indoor Unit ...............................................................................................................................................................................................................3-2
4. Troubleshooting ..........................................................................................................................4-1
4-1 Check-up Window Description ....................................................................................................................................................................4-1
4-2 Service Operation ................................................................................................................................................................................................4-2
4-2-1 Special Operation ..................................................................................................................................................................................4-2
4-3 Troubleshooting ....................................................................................................................................................................................................4-7
4-3-1 Setting Option Setup Method ........................................................................................................................................................4-7
4-3-2 Option Items ...........................................................................................................................................................................................4-22
4-3-3 What to check before diagnosis .............................................................................................................................................4-29
4-3-4 Number Display Method (Outdoor Unit, MCU, Cable remote control, wall-mount, etc.) ........................4-40
4-4 Appropriate Measures for Different Symptom ...............................................................................................................................4-45
4-4-1 Outdoor Unit Operation Flow .....................................................................................................................................................4-45
4-4-2 Main PCB has no power phenomenon .................................................................................................................................4-46
4-4-3 Indoor Unit ROOM sensor Error (Open/Short) ..................................................................................................................4-47
4-4-4 Indoor unit EVAP IN sensor Error (Open/Short) .................................................................................................................4-48
4-4-5 Indoor EVAP OUT sensor Error (Open/Short) .....................................................................................................................4-49
4-4-6 Indoor Heat Exchanger's EVAP IN sensor dislocation error .......................................................................................4-50
4-4-7 Indoor Heat Exchanger's EVA OUT sensor dislocation error (Open/Short) ......................................................4-51
4-4-8 Simultaneous Indoor Heat Exchanger's EVA IN, OUT sensor dislocation error (Open/Short) .......4-52
4-4-9 Electronic Expansion Valve opening malfunction (2nd stage) -
....................................................4-53
4-4-10 Breakdown of EEV (2
nd
) ................................................................................................................................................................4-54
4-4-11 Problem with EEV closure (2
nd
) ...............................................................................................................................................4-55
4-4-12
: Detection of Floating Switch of Indoor Unit's Drain Pump ..........................................................4-56
4-4-13 The operational error of Indoor Unit's Fan Motor .........................................................................................................4-57
4-4-14 Mixed operation Error (Only applicable to Heat Pump Model/Not to HR model) ...................................4-58
4-4-15 EEPROM error ....................................................................................................................................................................................4-59
4-4-16 Option error of the Remote Controller for an Indoor Unit .....................................................................................4-60
4-4-17 Error due to confused use of Fahrenheit and Celsius ................................................................................................4-60
4-4-18 Simultaneous opening of Cooling/heating MCU SOL Valves 1
st
/2
nd
.............................................................4-61
4-4-19 Error due to incorrect Indoor Unit Power/Communication Cable Connection .........................................4-62
4-4-20 SPI Feedback Error ...........................................................................................................................................................................4-63
4-4-21 Outdoor Unit Pipe Inspection Error........................................................................................................................................4-64
4-4-22 Communication Error between Indoor and Outdoor Units during Tracking .............................................4-65
4-4-23 Communication Error between Indoor and Outdoor Units after Tracking ..................................................4-66
4-4-24 Communication error between main and sub Unit of outdoor unit or between outdoor units ...4-67
4-4-25 Communication Error between MCU and Outdoor Unit .........................................................................................4-68
4-4-26 Internal Communication error of the Outdoor Unit C-Box .....................................................................................4-69
4-4-27 Internal PCB Communication error of the Outdoor Unit C-Box ..........................................................................4-70
4-4-28 Communication Error between MCU and Outdoor Unit after Tracking is Completed ..........................4-71
4-4-29 MCU branch part setup error – inconsecutive connection with the use of 2 branch parts ...............4-72
4-4-30 MCU branch part setup error – Repeated setup for the same address over 3 times .............................4-73
4-4-31 MCU branch part setup error – non-installed address setup ................................................................................4-74
4-4-32 Setup Error for MCU Branch part – Setup Error for MCU Quantity Used .........................................................4-75
4-4-33 MCU branch part setup error – Overlapping Indoor unit Address setup ......................................................4-76
4-4-34 MCU branch part setup error – Set as being used without connection to an Indoor unit ................4-77
Содержание AM032MNQDCH/AA
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