Samsung AC026FB1DEH/EU Service Manual Download Page 104

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Samsung Electronics

5-8

Outdoor Unit PCB

(cont.)

㽞

SUB PCB

(RC026DHXEA / RC035DHXEA / RC052DHXEA/ RC026DHXEH / RC035DHXEH/AC026FCADEH/
AC035FCADEH/ AC052FCADEH)

①

EVAP THERMISTOR CONNECTOR

SMW250-08 WHT

② EEV-B CONNECTOR

SMW250-05 YEL

③ DISPLAY-MAIN CONNECTOR

SMW200-28 WHT

④

12V POWER CONNECTOR

YW396-02AV BLU

Summary of Contents for AC026FB1DEH/EU

Page 1: ...EU AC035FCADEH EU IndoorUnit OutdoorUnit Model Code ACN026NDEHA EU RC026DHXEA ACN035NDEHA EU RC035DHXEA ACN052NDEHA EU RC052DHXEA ACN060NDEHA EU RC060DHXEA ACN071NDEHA EU RC071DHXEA ACN026NDEHH SA RC026DHXEH XSA ACN035NDEHH SA RC035DHXEH XSA ACN052NDEHH SA RC052DHXEH XSA ACN060NDEHH SA RC060DHXEH XSA AC026FBNDEH EU AC026FCADEH EU AC035FBNDEH EU AC035FCADEH EU AC052FBNDEH EU AC052FCADEH EU AC060FBN...

Page 2: ...MC 4 4 4 1 4 Settinganindoorunitinstallationoption suitablefortheconditionof eachinstallationlocation 4 5 4 1 5 Changing a particular option 4 7 4 1 6 Option code for each model 4 8 4 2 Items to check before diagnostics 4 11 4 2 1 Four directions cassette type 4 11 4 2 2 Test run mode and View mode 4 12 4 2 3 ECO mode Power save 4 13 4 2 4 1 way cassette type 4 14 4 2 5 Troubleshooting for outdoor...

Page 3: ...r error 4 40 4 4 13 Current sensor error Input current sensor error 4 41 4 4 14 Heatsink sensor error Heatsink over heat 4 42 4 4 15 Comp Vlimit error Comp current limit error 4 43 4 4 16 EEPROM error OTP error 4 44 4 4 17 AC zero cross signal error 4 45 4 4 18 Operation condition secession error 4 46 4 4 19 Capacity miss match error 4 47 4 4 20 Gas leak error 4 48 4 4 21 MDS Error Flow chart 4 49...

Page 4: ...aused by tracking or short circuit Fasten the valve caps of service valves and charging valves of outdoor unit as much as possible using adjustable wrenches Check the status of the components assembly after repair service The status must be the same as before the repair service 1 2 Precautions related to static electricity and PL The PCB power supply block is susceptible to static electricity Ther...

Page 5: ...k Instruct end users to separate the batteries from the remote controllers and store them separately when the product is not used for long time Otherwise leakage from the dry cell may cause problems with the remote controller 1 4 Other precautions The pipes should have no leaks during installation and the compressor must be stopped before removing connecting pipes for pump down work Operating the ...

Page 6: ...ology it makes a room cool with highly energy saving and arises the efficiency of air conditioner Long Ambient Operation In Low Temperature It can arise the reliability and the capacity of the air conditioner especially operated in low temperature Eco friendly Product Lead Free RoHS WEEE Easy installation of ultra lightweight indoor unit 2 Product Specifications 2 1 The Feature of Product ...

Page 7: ...umption Cooling STD W 1809 2120 Heating STD W 2180 2340 Operation current Cooling STD A 8 3 9 7 Heating STD A 10 10 7 Noise Cooling Heating Indoor unit In case of strongest air blow dBA 45 46 46 46 Outdoor unit In case of strongest air blow dBA 60 60 60 60 Refrigerant R410A g 1 800 1 800 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 15 88 15 88 Additional Refrigerant R410A g m 25 25 Standard m 5 5 Ex...

Page 8: ...ion Cooling STD W 730 1090 1560 Heating STD W 900 1110 1525 Operation current Cooling STD A 3 7 5 6 7 2 Heating STD A 4 6 5 7 7 Noise Cooling Heating Indoor unit In case of strongest air blow dBA 38 39 41 42 43 44 Outdoor unit In case of strongest air blow dBA 51 51 53 53 58 58 Refrigerant R410A g 950 950 1 400 Connecting Pipe Liquid mm 6 35 6 35 6 35 Gas mm 9 53 9 53 12 7 Additional Refrigerant R...

Page 9: ...nsumption Cooling STD W 650 940 Heating STD W 868 1070 Operation current Cooling STD A 3 07 4 4 Heating STD A 4 10 5 0 Noise Cooling Heating Indoor unit In case of strongest air blow dBA 38 39 41 42 Outdoor unit In case of strongest air blow dBA 51 51 53 53 Refrigerant R410A g 950 1 400 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 9 53 12 7 Additional Refrigerant R410A g m 10 Standard m 7 5 7 5 Exte...

Page 10: ...nsumption Cooling STD W 1390 1750 Heating STD W 1620 1930 Operation current Cooling STD A 6 5 7 8 Heating STD A 7 6 8 7 Noise Cooling Heating Indoor unit In case of strongest air blow dBA 45 46 46 46 Outdoor unit In case of strongest air blow dBA 57 57 60 60 Refrigerant R410A g 1 800 1 800 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 15 88 15 88 Additional Refrigerant R410A g m 25 25 Standard m 7 5 ...

Page 11: ... Consumption Cooling STD W 1810 2260 Heating STD W 2180 2410 Operation current Cooling STD A 8 3 10 2 Heating STD A 10 0 10 7 Sound Power Cooling Heating Indoor unit In case of strongest air blow dBA 56 58 Outdoor unit In case of strongest air blow dBA 64 66 Refrigerant R410A g 1 800 1 800 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 15 88 15 88 Additional Refrigerant R410A g m 25 25 Standard m 5 5 ...

Page 12: ...er Consumption Cooling STD W 730 1090 1660 Heating STD W 900 1110 1608 Operation current Cooling STD A 3 7 5 6 7 5 Heating STD A 4 6 5 7 7 5 Sound power Cooling Heating Indoor unit In case of strongest air blow dBA 48 50 53 Outdoor unit In case of strongest air blow dBA 60 62 64 Refrigerant R410A g 950 950 1 400 Connecting Pipe Liquid mm 6 35 6 35 6 35 Gas mm 9 53 9 53 12 7 Additional Refrigerant ...

Page 13: ...0 3500 Heating STD W 3300 4000 Power Consumption Cooling STD W 695 1140 Heating STD W 910 1160 Operation current Cooling STD A 3 3 3 3 Heating STD A 5 3 5 5 Noise Indoor unit 38 40 40 42 Outdoor unit 51 51 53 53 Refrigerant g 950 950 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 9 52 9 52 Additional Refrigerant R410A g m Standard m 5 5 Extension length Total m 20 20 Extension length Elevation m 15 15...

Page 14: ...er Consumption Cooling STD W 730 1660 Heating STD W 900 1608 Operation current Cooling STD A 3 7 7 5 Heating STD A 4 6 7 5 Sound power Cooling Heating Indoor unit In case of strongest air blow dBA 48 53 Outdoor unit In case of strongest air blow dBA 60 64 Refrigerant R410A g 950 1 400 Connecting Pipe Liquid mm 6 35 6 35 Gas mm 9 53 12 7 Additional Refrigerant R410A g m 10 Standard m 5 5 Extension ...

Page 15: ... 1 Seal drain ass y DB62 11028J 1 ASSY INSTALL MANUAL USER MANUAL DB98 34365A DB98 34366A For European DB68 03221A For Australia 1 1 ASSY INSTALLATION MANUAL DB98 34367A 1 Essential Offer Outdoor Unit Drain Plug DB67 00477A 026 035 052 DB67 20011A 060 071 1 Rubber Leg DB73 20134A 4 BOLT 6011 003975 4 Essential Offer Panel ASSY INSTALLATION MANUAL DB98 34364A 1 CARD WARRNATY DB68 02596B 1 2 3 Acces...

Page 16: ...emote controller DB93 11115N 1 Optional Batteries for remote controller specification AAA type DB47 90024A 2 Remote controller holder DB61 04899A 1 M4 16 screw 6002 000581 2 User s manual DB98 33129A 1 Accessories cont 䒲 Wireless remote controller MR DH00 Code No DB97 17546B ...

Page 17: ...Y Remark Pattern sheet DB69 01936A 1 Essential Offer Indoor Unit DB69 01947A 1 DB69 01947B 1 Seal drain ass y DB62 05810A 1 Insulation base DB72 00401C 2 Grommet hanger DB63 00237A 8 Cable tie DB65 10088C 3 Ass y drain hose joint DB94 01258C 1 Ass y installation manual DB98 34507A 1 ...

Page 18: ...ntroller MWR WE10 Code No DB97 17002B Item Descriptions Code No Q TY Remark Wired remote controller DB93 11251B 1 Optional Cable tie DB65 10088B 2 Cable clamp DB65 10074E 3 M4 16 Screw 6002 000474 5 User s manual DB98 32810A 1 Installation guide DB98 32811A 1 ...

Page 19: ...troller MCM A202D Code No DB97 18602B Item Descriptions Code No Q TY Remark Central controller DB93 03425N 1 Optional Cable tie DB65 10088B 2 Cable clamp DB65 10074E 5 M4 X 16 Screw 6002 000474 7 User s manual DB98 33437A 1 Installation guide DB98 33434A 1 ...

Page 20: ...77A Item Descriptions Code No Q TY Remark Function controller DB93 00757G 1 Optional Cable tie DB65 10088B 2 Cable clamp DB65 10074E 6 M4 16 Screw 6002 000474 7 User s manual DB98 27317A 1 Installation guide DB98 27315A 1 PC control and DMS cannot be used when using the function controller ...

Page 21: ... Q TY Remark Relay DB93 12203A 1 Optional Relay power cable 300mm DB39 00378B 1 Relay communication cable 300mm DB39 00253B 1 Item Descriptions Code No Q TY Remark Relay DB93 03568D 1 Optional Relay sub DB93 03590B 1 Relay power cable 1 000mm DB93 07895A 1 Relay power cable 1 000mm DB93 07895B 1 Relay communication cable 100mm DB93 12164A 1 ...

Page 22: ...Samsung Electronics 2 17 Filter accessory Item Descriptions Code No Remark Dust filter DB63 02739A Basic Water wash ...

Page 23: ...Samsung Electronics 3 1 Item Remarks SCREW DRIVER Adjustable Wrench 8mm 10mm 13mm M6 M8 Hex Wrench 䒲 Necessary Tools 3 Disassembly and Reassembly ...

Page 24: ...etach the safity clip and take up the grille 3 Remove the 2 fixed screws to remove the Control Box Cover Use Screw Driver 4 Remove the Remocon Receiver and Blade Connector Wire from the PBA 3EA 5 Push the 4 panel corners and cover downwards to remove it 3 1 Indoor unit 䒲 ACN026NDEH ACN035NDEH ACN052NDEH ACN060NDEH ACN071NDEHA AC026FBNDEH AC035FBNDEH AC052FBNDEH AC060FBNDEH AC071FBNDEH ...

Page 25: ...the Hangers at both sides of the panel inwards to remove it from the indoor unit s hook Remove the panel from the indoor unit 2 Control Box 1 Disconnect the Connector Wire that is connected to the indoor unit s PBA 2 Unscrew the 2 fixed screws on both sides of the Control Box and disassemble the Control Box from the indoor unit Use Screw Driver ...

Page 26: ...crew fixed on the Bell Mouth Use Screw Driver 2 Push the Bell Mouth in the direction opposite to where it s installed on the Control Box to remove it 4 Drain Pan 1 Unscrew the screws on the 4 corners of the indoor unit Use Screw Driver 2 Remove the Drain Pan from the indoor unit ...

Page 27: ...se from the Drain Pump Use Screw Driver 2 Remove the 2 screws and take the Drain Hose out from the indoor unit to disassemble the transparent Drain Hose fixed on the side of the indoor unit Use Screw Driver 6 Evap Temperature Sensor 1 Use your hand to remove the temperature sensor attached to the Evap Pipe along with the fixing clip ...

Page 28: ...ngular nuts on the Motor counterclockwise to remove the nuts Take the Motor Wires attached to these three locations out with your hands prior to removing the Motor 8 Evaporator 1 Remove the screws of the Steel Holder Evaps that are used to fix the Heat Exchanger and then remove it Use Screw Driver 2 Remove the 2 fixing screws of the Partition Evap at the Heat Exchanger s In Out Pipe Use Screw Driv...

Page 29: ...ectronics 3 7 No Parts Procedure Remark 3 Remove the screw of the Cover Pipe that is used to fix the In Out Pipe Remove the In Out Pipe Use Screw Driver 4 Remove the Heat Exchanger from the indoor unit s cabinet ...

Page 30: ...sh button on the Grille to open 2 Separate1clipfromthePanelthentilttheGrille45 toremoveGrillefromthePanel 3 SeparateFilterfromthePanel 4 Separate3coverscrewsfromit 5 Undo6fixedscrewsonthePaneltoremovefrom theIndoorUnit Use ScrewDriver 䒲 NS0261DXEA NS0351DXEA AC026FB1DEH EU AC035FB1DEH EU ...

Page 31: ...Panel from the Indoor Unit Panel Filter B type 1 Press the Filter Reset button on the Wireless Remote Controller once It will make an induction Panel that is shown in the next picture slide down 2 Spinthe2connectingleversthatlinkbothendsof theinductionPanelandgearasshowninthenext picture 3 PushtheinductionPanelforwardtoremoveit ...

Page 32: ...induction Filter 2EA 5 Remove the Filter Guide 2EA 6 Remove the 3 screws covers 7 Remove 4 connecting wires for the Panel and undo the 7 screws that fix the Panel Use Screw Driver 8 After pulling out 2 Panel fixing hooks please separate the Panel and the Indoor Unit ...

Page 33: ...rews in the Drain Pan Use Screw Driver 2 Pull the Drain Pan to separate it from the Indoor Unit When separating the Pan please be careful not to touch the board of Heat Exchanger 3 Control In 1 Undo 3 fixing screws in the Control In appliance part to separate the Cover Use Screw Driver ...

Page 34: ...3 12 Samsung Electronics No Parts Procedure Remark 2 Separate8connectersonthePCBoftheIndoor Unit 3 SeparatetheControlInfromtheIndoorUnit 4 Drain Sub 1 Push the hook on the Drain Sub to separate it ...

Page 35: ...ndofixingscrewintheHeatExchanger Use ScrewDriver 2 SeparatetheIndoorUnit sSensorfromtheHeat Exchanger 3 SeparatetheHeatExchangerfromtheIndoorUnit 6 Cross Fan 1 Undo3fixingscrewsontheCoverFanMotor Use ScrewDriver 2 SeparatetheCoverFanMotorfromtheIndoor Unit Use ScrewDriver ...

Page 36: ...ronics No Parts Procedure Remark 3 SeparatetheCrossFanfromtheIndoorUnit 7 Drain Pump 1 SeparatefixingscrewintheCoverDrainPump Use ScrewDriver 2 SeparatetheDrainHosefromtheDrainPump 3 SeparatetheDrainPumpfromtheIndoorUnit ...

Page 37: ... 䒲 RC060DHXEA RC071DHXEA RC052DHXEH RC060DHXEH AC060FCADEH AC071FCADEH No Parts Procedure Remark 1 Common Work 1 Loosen 1 fixing screw of the Cover Control and detach the Cover Control 2 Loosen each 7 fixing screws and detach the Cabinet Upper ...

Page 38: ...ung Electronics No Parts Procedure Remark 3 Loosen 2 screws fixed to assemble Control Box with Cabinet Side RH 4 Loosen fixing screws and detach the Cabinet Side RH 5 Loosen 2 screws fixed on the Guide Condenser ...

Page 39: ...Samsung Electronics 3 17 No Parts Procedure Remark 6 Loosen fixing screws of the Cabinet Front ...

Page 40: ...Flange like the picture on the right side Turn counter clockwise because the screw is right handed 2 Detach the Fan Propeller 3 Loosen 4 fixing screws to detach the Motor 4 Disconnect the wire between ASS Y Control Out and Motor 5 Loosen 2 fixing bolts and detach the Bracket Motor ...

Page 41: ...s from the PCB of ASS Y Control Out 3 Pull up the ASS Y Control Out 4 Heat Exchanger 1 Release the refrigerant at first 2 Loosen fixing screw on both sides 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger 5 Loosen 4 bolts fixed to assemble Valve Service with Bracket Valve like the picture on the right side ...

Page 42: ...s No Parts Procedure Remark 5 Compressor 1 Loosen the fixing nut and detach the Compressor Lead Wire 2 Disassemble the Felt Compressor Sound 3 Loosen the 3 bolts at the bottom of Compressor like the picture on the right side ...

Page 43: ... AC026FCADEH AC035FCADEH AC052FCADEH No Parts Procedure Remark 1 common work 1 loosen 1 pcs screw of cover control and detach it 2 loosen 5 pcs screws on both right and left cabniet side edges and to detach the cover top 3 Loosen 7 screwsfixed to disassemble cabi front and detach it ...

Page 44: ... Samsung Electronics No Parts Procedure Remark common work 4 loosen 7 screws to disassemble the cabi right and detach it 5 loosen 2 screws to disassemble steel bar 6 loosen 3 screws to disassemble cabi left ...

Page 45: ... No Parts Procedure Remark 2 fan motor 1 loosen 1 screw as indication and detached the fan 2 loosen 4 pcs motor screws and disconnect the wire betwwen assy control out and motor 3 loosen 2 pcs bracket motor screw and detach it ...

Page 46: ... screw from cover control 2 detach several connections from assy con trol out take out assy control out 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the pipes in both inlet and outlet with welding torch 4 detach the heat exchanger ...

Page 47: ...Samsung Electronics 3 25 No Parts Procedure Remark 5 compressor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom of ...

Page 48: ...ause only 12 digit option setting is available Please refer to the wired remocon installation manual for setting with the wired remocon Step 1 Entering mode to set option 1 Remove batteries from the remote controller 2 Insert batteries and enter the option setting mode while pressing HighTemp button and LowTemp button 3 Check if you have entered the option setting status Step 2 The procedure of op...

Page 49: ...ue Each time you press the button will be selected in rotation 6 Setting Fan mode Press Mode button to be changed to FAN mode in the ON status 7 Setting SEG9 SEG10 option Press Low Fan button to enter SEG9 value Press High Fan button to enter SEG10 value Each time you press the button will be selected in rotation 8 Setting Heat mode Press Mode button to be changed to HEAT mode in the ON status 9 S...

Page 50: ...e you press the button will be selected in rotation 18 Setting Heat mode Press Mode button to be change to HEAT mode in the OFF status 19 Setting SEG23 SEG24 mode Press Low Fan button to enter SEG23 value Press High Fan button to enter SEG24 value Each time you press the button will be selected in rotation SEG16 SEG18 SEG21 SEG23 SEG17 SEG20 SEG22 SEG24 Step 4 Input option Press operation button w...

Page 51: ...ined 4 1 3 Setting an indoor unit address MAIN RMC t PV DBO TFU UIF BJO BEESFTT GSPN _ SBOHF BOE JG JOQVU PUIFS OVNCFST hDPNNVOJDBUJPO FSSPSh XJMM PDDVS t G ZPV TFU UIF 4 BT UIF JOEPPS VOJU XJMM NBJOUBJO UIF QSFWJPVT 3 44 FWFO JG ZPV JOQVU UIF PQUJPO WBMVF PG 4 t G ZPV TFU UIF 4 BT UIF JOEPPS VOJU XJMM NBJOUBJO QSFWJPVT 3 3 44 FWFO JG ZPV JOQVU UIF PQUJPO WBMVF PG 4 _ Option No 0AXXXX 1XXXXX 2XXXX...

Page 52: ...X 3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE RESERVED Useofexternal temperaturesensor Use of central control RPM setting compensation Indication and Details Indication Details Indication Details Indication Details Indication Details 0 Notused 1 Highceilingmode 2 Highceilingkit 3 Lownoiseoperationmode 0 2 0 Disuse 0 Disuse 1 Use 1 Use Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 E...

Page 53: ... the individual control of the indoor unit SEG 20 the indoor is set as Indoor 1 Example If you want to set as Exterior temperature sensor USE External control USE Number of hours using filer 2000hr assign option codes except SEG 1 7 13 19 which are page options SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 0 2 1 0 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 1 0 0 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 2 1 0 0 6 SEG19 SEG20 SEG...

Page 54: ... Details Indication Details 0 D Option mode 0 F Tens digit ofSEG 0 9 Unitdigit ofSEG 0 9 The changed value 0 F t 8IFO DIBOHJOH B EJHJU PG BO JOEPPS VOJU BEESFTT TFUUJOH PQUJPO TFU UIF 4 BT A t 8IFO DIBOHJOH B EJHJU PG JOEPPS VOJU JOTUBMMBUJPO PQUJPO TFU UIF 4 BT A Ex When setting the buzzer control into disuse status Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE The option mode you wa...

Page 55: ...271A21 370000 ACN035NDEHH SA 015077 166219 272328 370040 ACN052NDEHH SA 015077 17625D 273437 370040 ACN060NDEHH SA 015077 18626E 273C40 370040 AC026FBNDEH EU 015077 1960C8 271A21 370000 AC035FBNDEH EU 015077 1860F9 272328 370000 AC052FBNDEH EU 015077 17625D 273437 370040 AC060FBNDEH EU 015077 18626E 273C46 370040 AC071FBNDEH EU 015077 166381 274750 370040 NS0261DXEA 017057 1860F8 271A23 370010 NS0...

Page 56: ...PVUEPPS UFNQFSBUVSF TFOTPS DPOOFDUJPO t IFDL PVUEPPS UFNQFSBUVSF TFOTPS T SFTJTUBODF WBMVF UP TFF JG JU T TIPSU PQFO operation off operation off operation off X X No communication for 2 minutes between indoor and outdoor unit communication error for more than 2 minutes t IFDL DPOOFDUJPO CFUXFFO JOEPPS BOE PVUEPPS VOJU DPNNVOJDBUJPO DBCMFT operation off operation off operation off page 4 20 X Error...

Page 57: ... digits Two digits One digit Hz 3 Number of indoor heat exchangers 3 Three digits Two digits One digit Hz 4 Out sensor 4 Two digits One digit First decimal C 5 Discharge sensor 5 Two digits One digit First decimal C 6 OLP sensor 6 Two digits One digit First decimal C 7 Cond sensor 7 Two digits One digit First decimal C 8 Current 8 Two digits One digit First decimal C 9 Fan RPM 9 Three digits Two d...

Page 58: ... Electronics 4 13 4 2 3 ECO mode Power save Mode Display ECO mode lamp Segment 1 Segment 2 Segment 3 Segment 4 RED color ECO mode BLANK BLANK BLANK BLANK On Exit ECO mode Press K3 to exit Off ECO mode lamp RED ...

Page 59: ... X X 䢻 X Indoor fan motor is non operative Indoor fan motor is operating slowly Indoor fan motor operates at an exces sive speed Check if a motor connector has been dismounted CN44 CN73 Check the fastening of the motor fan 䢻 X X 䢻 X Disjointed or cut off of outdoor tem perature sensor Disjointed or cut off of the outdoor sensor of heat exchanger COND Dismounted cut off of the outdoor discharge sen...

Page 60: ... circuit defect Check non delivery cool delivery non insertion of IC51 Part Pin Check non delivery cool delivery non insertion of IC51 peripheral circuit components 䢻䢻䢻䢻䢻 EEPROM option none input error input Re input of option code for indoor unit ل Turn on ስ Flashing Ή Turn off 㽞 LED lamp display when error is detected ...

Page 61: ...r unit is overheated 11 E422 High pressure blockage error Refrigerant completely Leakage error Check whether the outdoor unit service valve is open 12 E440 Heating operation is not available since the outdoor air tem perature is over 30 C Heating E441 Cooling operation is not available since the outdoor air tem perature is lower than 5 C Cooling 13 E458 Outdoor unit BLDC Fan 1 or Fan 2 error FAN1 ...

Page 62: ...connection status Operation Off Communication error Communication error between indoor outdoor INVlMAIN MICOM 1 min Check MAIN MICOM Check INVERTER MICOM Communication error Outdoor temperature sensor error Check sensor connection status Check sensor location Check sensor resistance Operation Off Outdoor sensor error COND temperature sensor error Check sensor connection status Check sensor locatio...

Page 63: ... Outdoor unit protection control error AC ZERO CROSSING SIGNAL OUT error Check the input power status Operation Off Outdoor unit protection control error Compressor LOCK error Check the compressor connection status Check the resistance between difference phases of the compressor Operation Off Outdoor unit protection control error Outdoor fan 2 error Check the input power connection status Check th...

Page 64: ...es Is indoor temperature sensor disconnected from the connector in PCB Restart the system after replacing the PCB Restart the system after connecting to the PCB connector Indoor temperature sensor failure replace Remove the indoor temperature sensor connector from the PCB and measure the resistance between two terminals 4 3 Troubleshooting by symptoms 4 3 1 Indoor temperature sensor open short Cur...

Page 65: ...he indoor heat exchanger temperature sensor connector from the PCB and measure the resistance between two terminals Indoor unit display 4way Operation Defrost X Timer X Filter 1way Operation X Defrost Reservation X Fan X Filter Symptom Short or open circuit of indoor heat exchanger temperature sensor Failure Short or open circuit in the corresponding sensor 4 3 2 Indoor heat exchanger temperature ...

Page 66: ... PCB Yes No Does the motor rotates when operating Motor ᐯ ᐱ Is voltage of DC 0V DC 6V displayed Check the PCB and replace it Is the RPM of motor less than 120 Yes During operation or Operation at the beginning E154 is displayed No Check the motor and replace it Yes Ex Depending on FAN RPM voltage of DC 0V DC 6V is output 1 2 3 4 5 6 4 waycassettetype Check the normal operation No Is the motor conn...

Page 67: ... RED is not ON In this case is the voltage waveform between the lines square wave with amplitude over 0 7V as shown in the following picture 0 7V 0 7V Good Bad Check the communication cable and replace the indoor unit PCB Remove the communication cable connecting the outdoor unit to indoor unit and measure the signal on LINE 2 of the outdoor unit with a scope Reconnect the cable connecting the out...

Page 68: ...minals Is the resistance open circuit Is the water level in the drain pan high Does drain pump operate when compressor operates Same error occurs again No Drain pump PCB Is the terminal voltage around AC 220V Is the water level in drain pan decreasing Reset the indoor unit power and check the operation of the drain pump it vibrates when operating Normal operation Replace the indoor unit PCB Reasse...

Page 69: ...peration X Defrost Reservation Fan X Filter Symptom EEPROM circuit failure Failure EEPROM component failure EEPROM circuit parts missing damaged soldering failure 4 3 6 EEPROM circuit failure No Yes Are the EEPROM circuit components in good conditions missing components damage soldering failure Replace the PCB if the restart fails ...

Page 70: ...ler connected correctly 2 Check procedure Yes Turn off the main power switch circuit break of power outlet and turn on again after 30 seconds Check the input power No Is the outdoor unit power supply L N 220V Yes Check the connection of the terminal block No Is the outdoor unit power voltage L N 220V Yes Replace the inverter PBA No Is the voltage between the terminal 2 and 4 of the bridge diode 22...

Page 71: ...4 26 Samsung Electronics Yes Outdoor unit is not powered on Initial diagnosis cont Yes Connect the reactor No Is the reactor connector connected correctly Replace the PBA Cont ...

Page 72: ...rocedure Yes Restart after power off Terminate the service Exchange the indoor unit PBA No Is the communication error occurred again Yes Correct the wrong cable No Is the connection of power cable and communication cable normal Yes Exchange the PBA of no power unit No Is the power is normal check the LED Lamp Yes Yes Terminate the service No Is the communication error occurred again Exchange the o...

Page 73: ...oubleshooting procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 1 2 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no power unit Yes B...

Page 74: ...ture of 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no Ourdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 1 2 in the connector Exchange the Outdoor PBA Yes ...

Page 75: ...procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 5 6 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V ...

Page 76: ...emperature of 25 25 C Is the sensor connector CN501 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Page 77: ...oting procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 3 4 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 242kohm 30 C 166ohm 35 C 138ohm 40 C 115kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Y...

Page 78: ...m error or connector check No Is the sensor resistance value 3 4 CN501 10kohm 3 at the room temperature of 25 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Page 79: ...e the Outdoor PBA Download the EEPROM data No Is the discharge over temperature sensor error appeared again Terminate the service No No Terminate the service Is the discharge over temperature sensor error appeared again Is the discharge over temperature sensor error appeared again The condition is too poor for air conditioner to operate Wait until discharge temperature is decreased Restart after p...

Page 80: ...d Separate the Fan motor wire from CN901 on Outdoor PBA PBA problem or Motor problem Change the PBA first and check the operation No Yes Does the fan rotate Terminate the service Exchange the Fan motor No No No Follow the check procedure of outdoor unit power supply error check Exchange the Outdoor PBA Is the fan error appeared again Is there short among each pin 1 6 Is the voltage of CN901 3 5 an...

Page 81: ...pressor normal 2 Troubleshooting procedure Terminate the service Download the EEPROM data No Is the restart error occurred again Is the connection of compressor wire is normal Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart after...

Page 82: ...tance of compressor normal 2 Troubleshooting procedure Terminate the service No Is the restart error occurred again Is the connection of compressor wire is normal PBA and Compressor Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart...

Page 83: ... error occurred Is the connection of compressor wire is normal No No Yes No No No No No Yes Exchange the Outdoor PBA Correct the sensor position or exchange the sensor Is the O C error occurred again Terminate the service Restart after returning to the normal load Terminate the service Connect the comp wire normally Terminate the service Is the restart error occurred again Is the condition of indo...

Page 84: ...04 R005 R006 R007 value is normal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the DC_link voltage CE101 or CE001 is normal in operation mode Normal range 280Vdc 320Vdc Check the power input No No No No Exchange the Outdoor PBA Exchange the Outdoor PBA IstheDC_linksensingvoltage R104orR004 isnormalin operationmode Normalrange 0...

Page 85: ...04 R005 R006 R007 value is normal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the DC_link voltage CE101 or CE001 is normal in operation mode Normal range 280Vdc 320Vdc Check the power input No No No No Exchange the Outdoor PBA Exchange the Outdoor PBA IstheDC_linksensingvoltage R104orR004 isnormalin operationmode Normalrange 0...

Page 86: ...rmal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the the input voltage is nomal Normal range 180Vac 270Vac Is the reactor insulation damaged Check the input power in the powercord No No No No Check the input power Exchange the Outdoor PBA Exchange the Outdoor PBA Is theDC_linkvoltage CE101orCE001 isnormalinoperation mode Norma...

Page 87: ...error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restart after returning to the normal load No Yes Is the condition of indoor outdoor temperature normal load Is the I_trip error occurred again Terminate the service No No No No Correct the sensor position or exchange the sensor Correct the cable connection Isthepositionoftemperaturesensorandthesensingvalue norma...

Page 88: ...the IPM Shunt PF2 R451 R452 R453 PF23 R413 R414 R415 resistance value correct Check the resistor is opened 3 Is there no short or open around IC451 PF2 or IC451 IC452 PF3 2 Troubleshooting procedure Exchange the Outdoor PBA No Is the PFC shunt and IPM shunt resistance value correct No Terminate the service Isthecurrentsensorerrorappearedagain Exchange the Outdoor PBA Restart after power off Yes Ye...

Page 89: ...2 Is the gap PBA heatsink 3 Is the fan operation normal 4 Is the cover assembly in conrol box normal 2 Troubleshooting procedure Fastening the screw No Are there screws in PBA heatsink 4 screws No Check the fan connection Change the Fan motor Is the fan operation normal Exchange the Outdoor PBA Restart after power off Yes Yes Yes ...

Page 90: ...rminate the service Exchange the Outdoor PBA No No Yes IIs the O C error occurred Is the O C error occurred again Terminate the service No No No No No No Connect the comp wire normally Terminate the service Correct the sensor position or exchange the sensor Restart after returning to the normal load Is the connection of compressor wire is normal Is the O C error occurred again Is the condition of ...

Page 91: ...ere a short around IC202 PF2 or IC701 PF3 3 Did you download or insert EEPROM IC after changing outdoor PBA 2 Troubleshooting procedure Terminate the service No Restart after power off Is the error appeared again Exchange the Outdoor PBA power off and download EEPROM data or Insert the service EEPROM IC Yes ...

Page 92: ...ist 1 Check the power condition at customer s house Is there any power noise 2 Have been there power failure 2 Troubleshooting procedure Terminate the service No Is the AC line zero cross signal error appeared again Exchange the Outdoor PBA Restart after power off Yes ...

Page 93: ...oubleshooting procedure Terminate the service No Is the operation condition secession error appeared again Heating mode Is the outdoor temperature over 40 C or under 30 C Cooling mode Is the outdoor temperature under C The temperature condition is too poor to operate Wait until temperature is changed Restart after power off Yes Yes ...

Page 94: ...rocedure Exchange the one of them according to the exact model spec Terminate the service Terminate the service No No No Is the capacity miss match error appeared again Is the capacity miss match error appeared again Is the rated Btu between indoor unit and outdoor unit Download the EEPROM data Exchange the Outdoor PBA Exchange the Indoor PBA Reset the option code again at indoor unit Yes Yes Yes ...

Page 95: ...heck the pipe crack Fill up the refrigerant No No Is the position of indoor eva_in sensor normal No No No Terminate the service Change the EEV valve Connect the EEV valve Is the gas leak error appeared again Is the EEV valve connection normal Is the EEV valve is operation Check the sound of EEV valve after power on Is the pressure of refrigerant normal Exchange the Indoor PBA Exchange the Outdoor ...

Page 96: ... message pop up Set seg23 to 1 8 digit Replace wire of MDS Connect wire of MDS Replace MDS Kit Replace Main PBA Start End Yes Yes Yes Yes Yes MDS Function only can be set in wired remote controller or central controller Error Message Error message will be appeared after 3minutes Wired remote controller E143 message is pop up Display Panel Operation filter LED is blinking at the same time after ind...

Page 97: ... 8 Not used 9 REMOCON_INT 10 GND 11 Vcc 1 DC12V 2 VENT_OUT 1 DC12V 2 5 Louver control signal 6 DC12V 7 10 Louver control signal 1 2 GND 3 SPI CONTROL 4 Not Used 1 DC12V 2 DRAIN_PUMP_OUT 1 DC12V 2 Com4_TXD 3 Com4_RXD 4 Human sensor reset 5 GND 1 3 DC12V 2 Error_CHK_OUT 4 Comp_CHK_OUT 1 EXT_CTRL 2 GND F3 F4 Com2 V1 V2 DV12V F1 F2 Com1 5 PCB Diagram 5 1 PCB Diagram 5 1 1 Indoor Unit 2 1 4 5 3 6 14 13...

Page 98: ...Samsung Electronics 5 2 1 DC 12V 2 5 LED control signal 6 Remocon signal out 7 8 Not used 9 Remocon signal IN 10 GND 11 DC 5V CN01 DISPLAY 5 1 2 Panel PCB 1 ...

Page 99: ...Operating Instructions and Installation 5 3 Samsung Electronics 1 5 LED control signal 7 Remocon signal 8 GND 9 VCC CN01 DISPLAY 5 1 3 1way DIP 1 ...

Page 100: ...Samsung Electronics 5 4 1 5 LED control Signal 7 Remocon signal 8 GND 9 VCC CN01 DISPLAY 5 1 4 1Way SMD 1 ...

Page 101: ...MAW250A 04 WHT OUT DISCHARGE THERMISTOR CONNECTOR SMAW250A 04 RE BLDC FAN CONNETCOR YAN396 06V WHT EEV A CONNECTOR SMAW250A 05 RED DISPLAY CONNECTOR SMW200 10 NTR DISPLAY CONNECTOR SMAW250A 03 RED PC DOWNLOADCONNECTOR SMW200 10 BLK S NE T CONNECTOR SMW200 04 NTR AS PRO DOWNLOAD CONNECTOR SMAW200A 07 WHT DISPLAY CONNE CTORS MW200 05 NTR DOWNLOAD INV CONNECTOR S MW200 10 RED 7 6 5 4 3 2 1 8 9 10 11 ...

Page 102: ...COMMUNICATION CONNECTOR OLP THERMISTOR CONNECTOR S NET CONNECTOR EEV A CONNECTOR OUT DIS COND CONNECTOR DOWNLOAD MAIN CONNECTOR CENTRAL CTL CONNECTOR BLDC FAN CONNECTOR DOWNLOAD INV CONNECTOR COMP CONNECTOR REACTOR CONNECTOR YAW396 03AV WHT SMW200 28C WHT SMW250 02 RED SMAW250 02 WHT SMW200 28C WHT SMAW250 06 RED SMW250 06 BLU SMAW200 10P BLK SMW200 05P WHT YW396 06V WHT SMAW200 10P RED DBT061 3P ...

Page 103: ...5 7 Samsung Electronics Outdoor Unit PCB cont 㽞 SUB PCB RC060DHXEA RC071DHXEA RC052DHXEH RC060DHXEH AC060FCADEH AC071FCADEH 12V POWER CONNECTOR YW396 02V BLU MAIN SUB SIGNAL CONNECTOT SMW250 04 WHT MAIN SUB SIGNAL CONNECTOT SMW200 15NTR 1 2 3 ...

Page 104: ... SUB PCB RC026DHXEA RC035DHXEA RC052DHXEA RC026DHXEH RC035DHXEH AC026FCADEH AC035FCADEH AC052FCADEH EVAP THERMISTOR CONNECTOR SMW250 08 WHT EEV B CONNECTOR SMW250 05 YEL DISPLAY MAIN CONNECTOR SMW200 28 WHT 12V POWER CONNECTOR YW396 02AV BLU 4 3 2 1 ...

Page 105: ... Instructions and Installation 5 9 Samsung Electronics MDS kit PCB cont 㽞 PCB MDS kit 1 2 CN301 UART COMMUNICATION DC12V POWER 1 DC12V 2 RXD 3 TXD 4 NOT USED 5 GND CN201 DOWNLOAD 1 DC5V 2 GND 3 DOWNLOAD 4 RESET ...

Page 106: ...Samsung Electronics 6 1 6 Wiring Diagram 6 1 Indoor Unit This Document can not be used without Samsung s authorization ...

Page 107: ...and Installation 6 2 Samsung Electronics 㽞 Outdoor Unit RC026DHXEA RC035DHXEA RC052DHXEA RC026DHXEH RC035DHXEH AC026FCADEH AC035FCADEH AC052FCADEH 6 2 Outdoor Unit This Document can not be used without Samsung s authorization ...

Page 108: ...Samsung Electronics 6 3 This Document can not be used without Samsung s authorization 㽞 Outdoor Unit RC060DHXEA RC071DHXEA RC052DHXEH RC060DHXEH AC060FCADEH AC071FCADEH ...

Page 109: ...SHIP Indoor except EHS P PREMIUM D DELUXE Basic S STANDARD RatingVoltage Code Type A A 115V 60hz 1Ф B B 220V 60Hz 1Ф C C 208 230V 60Hz D D 200 220V 50Hz E E 220 240V 50Hz F F 208 230V 60Hz 3Ф G G 380 415V 50Hz 3Ф H H 380V 60Hz 3Ф J J 460V 60Hz 3Ф K K 220 240V 50 60Hz 1Ф M M 127V 50Hz N N 380 415V 50 60Hz 3Ф Refrigerant Code Type Refrigerant C COOLING ONLY R410a H HEAT PUMP R HEAT RECOVERY D COOLIN...

Page 110: ...e tender Z Flagship T Tower Top Discharge U Ice box Refrigerant R R 22 X R410A Separator 1 1 WAY CST 2 2 WAY M MINI 4 WAY 4 4 WAY H High Static Pressure Duct S Middle Static Pressure L Low Static Pressure Slim C Ceiling Conv J Console F Floor type P FAC Mid Large Size Mode C C O H H P T TROPICAL C O Q TROPICAL H P RatingVoltage A 115V 60Hz B 220V 60Hz C 208 230V 60Hz D 200 220V 50Hz E 220 240V 50H...

Page 111: ...ion P Panel ProductType C CST Product classification 1N Standard 1 way CST 1B Large size 1 way 2N 2 WAY 4N 4 WAY 4S MINI 4 WAY 4R Round Panel version 1 2 Korean market use A B Export foreign market use Color B Black E WINE U White V Ivory Language K Korean C Chinese M 8 Languages E English TYPE A Automatic boarding slide S STANDARD H PREMIUM Global 4 Way Panel Pattern Waffle Stripe Korean market u...

Page 112: ... Side Tropical Temp F Inv Top Tropical Temp B Non Inv Side General Temp N Non Inv Side Low Temp R Non Inv Side Tropical Temp Z Non Inv Top Tropical Temp ProductType Indoor Code Type F FLAGSHIP P PREMIUM D DELUXE S STANDARD ProductType Outdoor Code Type A STANDARD GENERAL Temp MODULE B STANDARD LOW Temp MODULE C STANDARD TROPICAL MODULE D STANDARD GENERAL Temp NON MODULE Capacity 3 DIGIT KW BTU Lit...

Page 113: ... liquid to gas Absorbing heat required for evaporation 㽞SERVICE VALVE You can open the valve by turning the need valve counterclockwise using hex wrench and it is used for vacuum gas purging coolant injection coolant purging and indoor outdoor unit connection 㽞ACCUMULATOR Accumulator prevents the flow of liquid state coolant into the compressor Liquid state coolant flowing into the compressor will...

Page 114: ... 0 20 10 0 10 20 30 40 50 32 2 3 27 1 32 23 27 19 21 15 Outdoor Temp C WaitingMode Pressure kgf cm G 6 Waiting Mode 32 23 27 19 21 15 50 18 5 16 7 15 9 35 15 7 14 7 13 4 20 15 2 14 3 13 6 7 9 1 9 1 9 1 5 5 6 5 6 5 6 20 3 0 3 0 3 0 Indoor C Outdoor C 15 0 20 0 25 0 30 0 35 0 20 10 0 10 20 32 2 3 27 1 28 18 27 19 20 15 Outdoor Temp C Heating Pressure kgf cm G 6 Heating 28 18 27 19 20 15 20 34 3 34 0...

Page 115: ...icable International and or domestic law Samsung Electronics Co Ltd June 2013 Printed in China Code No AC 00038E_1 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gspn2 samsungcsportal com North Latin America gspn3 samsungcsportal com China china samsungportal com ...

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