Samsung AM056FN2DEH Series

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This Service Manual is a property of Samsung Electronics Co., Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

Printed in Korea.

Code No. AC-00005E_22

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Table of Contents2
Precautions8
Precautions for the Service8
Precautions for the Static Electricity and PL8
Precautions for the Safety8
Precautions for Handling Refrigerant for Air Conditioner9
Precautions for Welding the Air Conditioner Pipe9
Precautions for Additional Supplement of Air Conditioner Refrigerant9
Other Precautions9
Product Specifications10
Product Specifacations10
Indoor Unit10
Slim 1Way Cassette Type10
Wind-Free 1Way Cassette Type12
Way Cassette Type20
Way Cassette21
Global 4Way Cassette(600X600)23
4Way Cassette(600X600)25
Slim Duct26
Slim Home Duct30
Duct Type (Uplevel Static Pressure)33
MSP Duct34
Cassette36
Big Duct38
GD-S(Big Duct)39
HSP Duct40
Global Duct41
Ceiling Type46
Big Ceiling47
Console Type48
Wall Mounted Type(Neo Forte Without EEV)49
Wall Mounted Type(Neo Forte with EEV)51
Wall Mounted Type(Boracay with EEV)53
Wall Mounted Type(Boracay Without EEV)55
Wall Mounted Type(Boracay with EEV)57
Wall Mounted Type(Boracay Without EEV)61
Floor Standing Type63
ERV Plus65
Hydro Unit66
Hydro Unit HT67
Wall Mounted Type(A3050 with EEV)69
Wall Mounted Type(A3050 with EEV)71
Wall Mounted Type(A3050 Without EEV)73
Wall Mounted Type(Premium Plus Windfree with EEV)75
Wall Mounted Type(Premium Plus Windfree Without EEV)77
Wall Mounted Type (MAX with EEV)91
Fresh Air Duct92
V-Ahu93
Mpahu97
Stand100
Oap Duct101
Ehs Tdm Plus - Slim Duct102
Ehs Tdm Plus - Global Duct103
EHS TDM PLUS -Console Type104
EHS TDM PLUS -Wall Monuted Type105
EHS Windfreewindfree107
Duct S TK108
DVM Mrt112
Accessory and Option Specifications117
Accessories117
Disassembly and Reassembly120
Necessary Tools120
Indoor Unit121
Am017/022Hn1Deh/Eu121
Am017/022Nn1Peh/Eu, Am005/007An1Pch/Aa124
Slim 1 Way Cassette Type132
Am022/028/036Nn1Deh/Eu, Am009/012An1Pch/Aa134
Am056/071Nn1Deh/Eu, Am015/018/024An1Pch/Aa142
Am052/060/072Fn1Dbh, Am052/060/072Hn1Dbh1, Am056/071Fn1Deh, Am056/071Jn1Deh, Am015/018/024An1Pch/Aa149
Big Duct156
GD-S(Big Duct) - AM180JNHFKH/AM224JNHFKH159
Global 4Way Cassette Type170
Cassette Type183
Duct Type(Slim1,2)196
Duct Type(Slim3)201
Slim Home Duct208
Duct Type(MID Pressure1)213
Duct Type (MID Pressure2, High Pressure)218
Am036/045/056/071/090/112/128/140Hnmpkh, Am112/128/140Hnhpkh/Eu, Ae071/090Mnmpeh/Eu223
Ceiling228
Am112/140Jncdkh/Eu237
Console242
Erv Plus247
Floor Standin Type256
Wall Mount Type260
Wall Mounted Type (Boracay)263
Wall Mounted Type (MAX)267
Global 4Way Cassette Type(600X600)275
Am160Fnbdeh/320Fnbdeh/500Fnbdeh281
Am160/250Fnbfeb, Am160/250Fnbfgb285
Am160/250Tnbfeb, Am160/250Tnbfgb291
Wall Mounted Type(A3050)297
Wall Mounted Type(Premium Plus)306
Oap Duct (Am140Jnepeh/Eu)316
OAP Duct (AM140MNEPEH/EU)318
OAP Duct (AM220/280MNEPEH/EU)325
V-Ahu/Mpahu330
Am280Jnpdkh/Tk, Am280Rnpdkh/Eu335
Am140Jnpdkh/Tk, Am140Rnpdkh/Eu340
4Way Cassette Type(600X600)348
Am022/028/036/045/056/071Anmpkh/Eu351
Am090Anmpkh/Eu, Am056/071/090Anhpkh/Eu356
Am112An*Pkh/Am128An*Pkh/140An*Pkh/Eu360
Troubleshooting364
Check-Up Window Description364
Service Operation365
Special Operation365
DVM S Models EEPROM Code Table369
Troubleshooting370
Setting Option Setup Method370
Option Items386
What to Check before Diagnosis400
Number Display Method (Outdoor Unit, MCU, Cable Remote Control, Wall-Mount, Etc.)416
Appropriate Measures for Different Symptom422
Outdoor Unit Operation Flow422
Main PCB Has no Power Phenomenon423
Indoor Unit ROOM Sensor Error (Open/Short)424
Indoor Unit EVAP in Sensor Error (Open/Short)425
Indoor EVAP out Sensor Error (Open/Short)426
Indoor Heat Exchanger's EVAP in Sensor Dislocation Error427
Indoor Heat Exchanger's EVA out Sensor Dislocation Error (Open/Short)428
Simultaneous Indoor Heat Exchanger's EVA IN, out Sensor Dislocation Error (Open/Short)429
Electronic Expansion Valve Opening Malfunction (2Nd Stage)430
Breakdown of EEV (2 Nd )431
Problem with EEV Closure (2 Nd )432
Eev(Electronic Expansion Valve) Opening Malfunction (2Nd Stage)433
Eev(Electronic Expansion Valve) Closure Malfunction (2Nd Stage)434
Detection of Floating Switch of Indoor Unit's Drain Pump435
The Operational Error of Indoor Unit's Fan Motor436
Mixed Operation Error (Only Applicable to Heat Pump Model/Not to HR Model)437
EEPROM Error438
Option Error of the Remote Controller for an Indoor Unit439
Error Due to Confused Use of Fahrenheit and Celsius439
St Nd440
Error Due to Incorrect Indoor Unit Power/Communication Cable Connection441
SPI Feedback Error442
Outdoor Unit Pipe Inspection Error443
Communication Error between Indoor and Outdoor Units During Tracking444
Communication Error between Indoor and Outdoor Units after Tracking445
Communication Error between Main and Sub Unit of Outdoor Unit or between Outdoor Units446
Communication Error between MCU and Outdoor Unit447
Internal Communication Error of the Outdoor Unit C-Box448
Internal PCB Communication Error of the Outdoor Unit C-Box449
Communication Error between MCU and Outdoor Unit after Tracking Is Completed450
MCU Branch Part Setup Error - Inconsecutive Connection with the Use of 2 Branch Parts451
MCU Branch Part Setup Error - Repeated Setup for the same Address over 3 Times452
MCU Branch Part Setup Error - Non-Installed Address Setup453
Setup Error for MCU Branch Part - Setup Error for MCU Quantity Used454
MCU Branch Part Setup Error - Overlapping Indoor Unit Address Setup455
MCU Branch Part Setup Error - Set as Being Used Without Connection to an Indoor Unit456
MCU Branch Part Setup Error - Connect an Indoor Unit to a Branch Part Not Being Used457
MCU Branch Part Setup Error - Connect more Indoor Units than What Is Actually Set up in MCU458
Outdoor Temperature Sensor Error459
Outdoor Temperature Dislocation Error460
Cond out Temperature Sensor Error (Open/Short)461
Outdoor Cond out Sensor Breakaway Error462
Digital Compressor Discharge Temperature Sensor Error (OPEN/SHORT)463
Constant Rate Compressor Discharge Temperature Sensor Error (OPEN/SHORT)464
Compressor Discharge or Top 1/2 Temperature Sensor Error465
Dislocation Error of Compressor SUMP Temperature (Oil Temperature) Sensor466
Suction Temperature Sensor Breakaway Error467
SUMP Temperature Sensor Error (OPEN/SHORT)468
High Pressure Sensor Error (Open/Short)469
Low Pressure Sensor Error (Open/Short)470
Suction Temperature Sensor Error (Open/Short)471
Liquid Pipe Temperature Sensor Error (Open/Short)472
EVI in Temperature Sensor Error (Open/Short)473
EVI out Temperature Sensor Error (Open/Short)474
Suction-2 Temperature Sensor Error (OPEN/SHORT)475
Comp. down Due to High Pressure Protection Control476
Comp. down Due to Low Pressure Protection Control477
Sump Sensor Error Due to Protection Control478
Comp. down Due to Compressor Discharge Temperature Sensor479
3-Phase Input Wiring Error480
Comp. down by Compression Ratio Control481
EVI EEV Open Error482
Refrigerant Leakage Error483
Prohibition of the Operation of Compressor Due to Ooutdoor Temperature484
High Pressure Standard Not Met before Air Conditioning (Inability to Re-Operate)485
CCH Malfunction and Sump Sensor Miswiring Error486
Fan Starting Error487
Fan Lock Error488
Momentary Blackout Error489
Outdoor Fan Motor Overheating490
Outdoor Unit Fan Motor RPM Error491
Fan IPM Overheat Error492
Over-Voltage Error of an Outdoor Fan Motor493
Counter-Rotation Error of an Outdoor Fan Motor493
Compressor Excess Current Error494
Compressor Starting Error495
Inverter Overcurrent Error496
Overvoltage / Low Voltage Error497
DC Link Voltage Sensor Error498
Liquid Compression Prevention Control499
Fan Motor Overcurrent Error500
Input / Output Current Sensor Error501
Outdoor Fan PCB Overvoltage / Low Voltage Error502
Hall IC(Fan) Error503
Inverter Overheat Error504
Model Mismatching of Indoor Unit505
Breakdown of an EEV Closure507
Electronic Expansion Valve Closing Malfunction (2 Nd Stage)508
Electronic Expansion Valve Opening Malfunction (2 Nd Stage)509
Hydro Unit Water in Temperature Sensor Error (Open/Short)510
Hydro Unit Water out Temperature Sensor Error (Open/Short)511
Hydro Unit Water Tank Temperature Sensor Error (Open/Short)512
Emergency Error (Check the Water Piping Equipment)513
Error to Prevention from Freezing and Bursting of Heat Exchanger514
Breakaway of Water out Temperature Sensor515
Breakaway of Flow Switch516
Thermostat Wiring Error517
DC FAN Motor Feedback Error518
Water Tank Sensor Defective519
PCB Diagram and Parts List520
Indoor Unit520
Slim 1 Way Cassette Type (Medium)520
Way Cassette Type522
4Way Cassette , Global 4Way Cassette Type(600X600), Slim 1Way Cassette (Small/Large)524
Cassette526
Indoor Unit Power PCB528
Display PCB529
Duct Type (Slim Duct 2)530
Duct Type (Slim Duct 3)533
Slim Home Duct536
Duct Type(MSP, HSP, Big Duct)538
Duct Type(HSP)540
Duct Type (Super)542
Duct Type (Global Duct)544
Duct Type (Global Duct_Hsp)547
Big Duct550
Celing Type553
Big Ceiling555
Console557
Wall-Mounted Type (Neo Forte)561
Wall-Mounted Type (Boracay)563
ERV Plus565
Hydro Unit/Hydro Unit HT567
Hydro Unit HT571
Wall Mounted Type(A3050)583
Wall Mounted Type(Premium Plus)586
Oap Duct588
Oap Duct590
V-Ahu597
Mpahu599
Stand601
Floor Standing Type608
Wall Mounted Type(MAX)612
Wall Mounted Type(MAX)615
Wind-Free 1Way Cassette Type617
4Way Cassette(600X600)620
4Way Cassette(600X600)622
Wiring Diagram625
Indoor625
Global 4Way (Global 4Way(600X600)) Cassette Type, Slim 1Way Cassette (Small/Large)625
Slim 1 Way Cassette Type (Medium)626
Cassette627
BIG Duct628
GD-S(Big Duct)629
Ceiling630
Big Ceiling631
Console632
Rac(Neo Forte)633
Wall-Mounted Type (Boracay)634
2Way Cassette Type635
DUCT Type (Slim III)636
DUCT Type (Slim I, II, MSP)637
Slim Home Duct638
Duct Type (HSP)639
Duct Type (Global Duct, MSP)640
Duct Type (Global Duct, HSP)641
Floor Stand Type642
ERV Plus644
Hydro Unit645
Hydro Unit HT 3 Phase646
Hydro Unit HT Single Phase648
Wall Mounted Type(A3050)650
Wall Mounted Type(Premium Plus)651
Wall Mounted Type(MAX)652
Oap Duct(Am140Jnepeh/Eu)653
OAP Duct (AM140MNEPEH/EU)654
OAP Duct (AM140MNEPEH/EU)655
Oap Duct(Am220/280*Nepeh/Eu)656
V-Ahu657
Mpahu658
Stand659
4Way Cassette Type(600X600)664
Reference Sheet666
Index for Model Name666
Indoor Unit666
Panel667
Pump-Down Method668
Precautions for Pump-Down668
For Single Installation of Outdoor Unit (Only One Outdoor Unit Installed)668
When Two or more Outdoor Units Are Installed668
How to Put Refrigerant in Refrigerant Container669
How to Put Refrigerant in Container before Pump-Down669

Samsung AM056FN2DEH Series - Page 670

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