Samsung AR18NSFPEWQNEU Service Manual Download Page 95

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Summary of Contents for AR18NSFPEWQNEU

Page 1: ...Schematic Diagram 9 Operating Instructions 10 Troubleshooting 11 Block Diagram 12 Reference Sheet AR18NSFPEWQNEU AR18NSFPEWQXEU AR24NSFPEWQNEU AR24NSFPEWQXEU AR18NSFHBWKNEU AR18NSFHBWKXEU AR24NSFHBWK...

Page 2: ...ns of Product 2 3 2 4 Accessory and Option Spec cations 2 4 3 Alignment and Adjustments 3 1 3 1 Test Mode 3 1 3 2 Display Error and Check Method 3 2 3 3 Setting Option Setup Method 3 4 4 Disassembly a...

Page 3: ...ked st 10 1 10 2 Communication Error 10 2 10 3 PCB Inspection Method 10 38 11 Block Diagram 11 1 11 1 Indoor unit 11 1 11 2 Outdoor unit 11 2 12 Reference Sheet 12 1 12 2 Low Refrigerant Pressure Dist...

Page 4: ...S UP BWPJE B IB BSE O 5IF BJS DPOEJUJPOFS NVTU CF QMVHHFE JOUP BO JOEFQFOEFOU DJSDVJU JG BQQMJDBCMF PS DPOOFDU UIF QPXFS DBCMF UP UIF BVYJMJBSZ DJSDVJU CSFBLFS O BMM QPMF EJTDPOOFDUJPO GSPN UIF QPXFS...

Page 5: ...it contacts with your skin it can cause skin injury The package of the air conditioner should be recycled or disposed of properly for environmental reasons 1 5 Others Never store or load the air condi...

Page 6: ...air conditioner not only provides maximum cooling power in the summer but also can be an running cost Now meet year round needs with one air conditioner Look for Everywhere The elegant and harmonious...

Page 7: ...igerant Pipe Refrigerant to Change R410A Heating Proterction Device OLP Operation condition range Cooling Heat Exchanger Refrigerant Control Unit Blow er motor Model ITEM Type Pow er Pow er Consumtion...

Page 8: ...11 4 11 5 11 5 Outdoor Unit kg 41 5 41 5 41 5 41 5 Indoor Unit W H D mm 1065 298 230 1065 298 230 1065 298 243 1065 298 243 Outdoor Unit W H D mm 880 638 310 880 638 310 880 638 310 880 638 310 Indoor...

Page 9: ...DB68 07547A AR NSFP DB68 07571A AR NSFH DB93 15882Q DB90 02738A 2 4 4301 000121 1 1 MANUAL USERS DB68 07548A AR NSFP DB68 07570A AR NSFH MANUAL INSTALL 1 DB67 01533A...

Page 10: ...T EJTQMBZ UIF SSPS PEF t 0QFSBUJPO PEF PPM NPEF 0QFSBUF UIF DPPM NPEF CZ PQFSBUJOH UIF DPNQSFTTPS CZ GPSDF XJUIPVU UIF DPNQSFTTPS 0 0 BDDPSEJOH UP UIF TFU UFNQFSBUVSF JOEPPS UFNQFSBUVSF P OPU GPMMPX U...

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Page 13: ...ep 1 Enter the Option Setup mode 1 Tack out the batteries of remote control 2 Press the temperature button simultaneously and insert the battery again 3 Make sure the remote control display shown as S...

Page 14: ...riring isheard andtheOPERATIONICON lampofthedisplay metime thentheinputofoptioniscompleted Ifthederivingsoundisn theard tryagainpressingtheON OFFbutton PresstheMode Selectionkeytosetthedisplaypartandc...

Page 15: ...ode button to set the display panerl to 2 Every time you push the button the display panel reads repeatedly Push the Mode button to set the display panerl to 1 Every time you push the button the displ...

Page 16: ...irst Removethebatteryfromtheremotecontrol Second Re insertthebatteryintotheremotecontrol Third PressON OFFkeywiththedirectionofremotecontrolforset Errormode 1 Ifalllam ytoretry 2 Iftheunitisnotworking...

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Page 18: ...ower supply 2 Open the FRONT GRILLE and pull out from the PANEL FRONT 3 Detach COVER TERMINAL from the PANEL FRONT use Screw Driver 4 Loosen connector wire white and detach the temperature sensor wire...

Page 19: ...ire and detach the hook of main frame 2 To detach TRAY DRAIN from the main frame pull the bottom of the TRAY DRAIN towards you 3 CONTROL IN 1 Unfasten the earth screw use Screw Driver 2 Detach COVER C...

Page 20: ...tion 4 4 Samsung Electronics No Parts Procedure Remark 4 PBA 1 Unfasten the screw 2 Cut the cable tie 3 Loosen the terminal block wires Caution The terminal is locking type So when you separate termin...

Page 21: ...ution When you separate the connector pull pressing the locking button 6 Loosen Main Power connector Caution When you separate the connector pull pressing the locking button 7 Loosen the Thermistor wi...

Page 22: ...6 Samsung Electronics No Parts Procedure Remark 5 EVAPORATOR 1 Unfasten the screw at the right side use Screw Driver 2 Unfasten the screw at the left side use Screw Driver 3 Detach the HOLDER PIPE 4 T...

Page 23: ...FAN 1 Unfasten the screw in the HOLDER EVAP on the left side of evaporator use Screw Driver 2 unfasten the 3 points screws in the CASE CONTROL and then detach the CASE use Screw Driver 3 unfasten the...

Page 24: ...4 10 s c i n o r t c e l E g n u s m a S 2 2...

Page 25: ...4 11 JTBTTFNCMZ BOE 3FBTTFNCMZ P 1BSUT 1SPDFEVSF 3FNBSL 5 PPTFO GJYJOH TDSFXT 8 PG UIF BCJOFU SPOU 6 PPTFO TDSFXT 8 GJYFE PO UIF VJEF POEFOTFS Samsung Electronics...

Page 26: ...U MBOHF MJLF UIF QJDUVSF PO UIF SJHIU TJEF 5VSO DMPDLXJTF CFDBVTF UIF TDSFX JT MFGU IBOEFE FUBDI UIF BO 1SPQFMMFS PPTFO GJYJOH TDSFXT 8 UP EFUBDI UIF PUPS JTDPOOFDU UIF XJSF CFUXFFO TT Z POUSPM 0VU BO...

Page 27: ...PM 0VU 1VMM VQ UIF TT Z POUSPM 0VU FBU YDIBOHFS 3FMFBTF UIF SFGSJHFSBOU BU GJSTU PPTFO GJYJOH TDSFX 8 BOE EFUBDI UIF TUFFM CBS JTBTTFNCMF UIF QJQFT JO CPUI JOMFU BOE PVUMFU XJUI XFMEJOH UPSDL FGPSF ZP...

Page 28: ...ung Electronics No Parts Procedure Remark 5 Compressor 1 Loosenthefixingnutanddetachthe CompressorLeadWire UseMonkeySpanner 2 LoosentheboltsatthebottomofCompressor likethepictureontherightside UseMonk...

Page 29: ...4 13 Maldives Boracay Normal EER only 1 Power off 2 Take off the Cabinet Check the LED off 1 3 Connect PC Download Jig PBA 4 3 EEPROM DOWNLOAD Download Connector 10pin...

Page 30: ...4 20 5 CLICK 7 CLICK 8 CLICK 8 Start Download 7 Open the file 6 Select COM Port and connect 5 Execute the Universal EEPwriter program 3 Connect PC Download Jig PBA Download Connector 10pin...

Page 31: ...y Description 1 DB90 08954B 1 ASSY CASE CONTROL ELECTRIC 2 DB93 04695B 1 ASSY CONNECTOR WIRE 3 DB92 03467G 1 ASSY PCB MAIN 4 DB93 06676A 1 ASSY CONNECTOR WIRE 5 DB93 10943H 1 ASSY CONNECTOR WIRE 6 DB9...

Page 32: ...E 4 DB90 08332F 1 ASSY CASE CONTROL 5 DB93 15320A 1 ASSY CONNECTOR WIRE REACTOR 6 0205 000178 0 002 GREASE SILICON 7 6002 000630 1 SCREW TAPPING 8 DB62 12196B 1 HEAT SINK 9 DB91 00933A 4 ASSY SCREW MA...

Page 33: ...DB68 02809A 1 LABEL BAR CODE 5 DB90 09047B 1 ASSY CASE CONTROL 6 0205 000178 0 003KG GREASE SILICON 7 6002 000536 4 SCREW TAPPING 8 DB61 05790A 1 SUPPORT HEAT SINK 9 DB62 12477A 1 HEAT SINK 10 DB93 1...

Page 34: ...TO CABLE 1 PC 1 3711 003942 CNS11 HEADER BOARD TO CABLE 1 PC 1 3711 004182 CNS91 HEADER BOARD TO CABLE 1 PC 1 3711 004236 CNS43 HEADER BOARD TO CABLE 1 PC 1 3711 004484 CNS61 HEADER BOARD TO CABLE 1...

Page 35: ...HIP 1 PC 3 2007 000076 R602 R CHIP 1 PC 3 2007 000076 R716 R CHIP 1 PC 3 2007 000078 R703 R CHIP 1 PC 3 2007 000078 R706 R CHIP 1 PC 3 2007 000078 R805 R CHIP 1 PC 3 2007 000080 R107 R CHIP 1 PC 3 200...

Page 36: ...3 2007 000148 R810 R CHIP 1 PC 3 2007 000148 R813 R CHIP 1 PC 3 2007 000148 R816 R CHIP 1 PC 3 2007 000148 R903 R CHIP 1 PC 3 2007 000148 R904 R CHIP 1 PC 3 2007 000157 R902 R CHIP 1 PC 3 2007 000303...

Page 37: ...3 2203 005249 C807 C CER CHIP 1 PC 3 2203 005249 C902 C CER CHIP 1 PC 3 2203 006158 C401 C CER CHIP 1 PC 3 2203 006158 C402 C CER CHIP 1 PC 3 2203 006158 C403 C CER CHIP 1 PC 3 2203 006158 C517 C CER...

Page 38: ...CTOR HEADER 1 PC 3711 007817 CN271 HEADER BOARD TO BOARD 1 PC 3712 001047 CN302 CONNECTOR TERMINAL 1 PC DB27 00082A L302 COIL CHOKE 1 PC DB27 00090A L301 COIL CHOKE 1 PC DB68 05458A LABEL BAR CODE LAB...

Page 39: ...R271 R CHIP 1 PC 2007 000148 R272 R CHIP 1 PC 2007 000148 R284 R CHIP 1 PC 2007 000148 R285 R CHIP 1 PC 2007 000148 R286 R CHIP 1 PC 2007 000148 R306 R CHIP 1 PC 2007 000148 R307 R CHIP 1 PC 2007 0001...

Page 40: ...CER CHIP 1 PC 2203 002285 C302 C CER CHIP 1 PC 2203 002285 C303 C CER CHIP 1 PC 2203 005249 C251 C CER CHIP 1 PC 2203 005249 C252 C CER CHIP 1 PC 2203 005249 C253 C CER CHIP 1 PC 2203 005249 C254 C C...

Page 41: ...DB68 05092A 4...

Page 42: ...7 2 _18K DB68 06674A 1...

Page 43: ...7 3 7 2 Outdoor Unit_24K DB68 06675A DB68 06675A 00...

Page 44: ...BT3904 2 1 3 F 1M 1 4W R102 C B E MMBT3904 Q802 2 1 3 C805 50V 100n R103 1 4W 1M F J 10K 1 16W R813 CD81 SMBJ5 0CA R902 1 16W 47K J ii5252 lee 470u 25V CE108 Trace1 100n 50V C806 DGND Trace2 Trace3 F...

Page 45: ...S a m s u n g C o n f i d e n t i a l S a m s u n g...

Page 46: ...8 3 8 3 Refrigerating Cycle Diagram...

Page 47: ...1 4 DIO CLK STB IRQ 5 GND 6 VCC 7 Vout 8 PWM_LED 9 ROOM_TEMP 1 DC310V 3 6 Bldcdrivingsingaloutput 1 12VSignal CNS21 COMM 1 Signal1 2 Signal2 CN75 SMPS IN CN75 SMPS IN CNS61 STEP MOTOR 1 12V 2 5 STEPM...

Page 48: ...N INV COMM 1 DC310V 3 15V 4 PGND 5 BLDC FAN POWER SAVE 6 BLDC FAN Feedback CNP001 POWER N OTOR CNP552 CNP901 BLDC FAN CN75 SMPS IN CN75 SMPS IN CNP003 POWER EARTH CN203 INV DOWNLOAD 1 e s a h p W 2 V...

Page 49: ...51 INV DOWNLOAD CN581 ECO COMM InvPBAS WDownload CN75 SMPS IN CN75 SMPS IN CN003 POWER EARTH CN402 COMP V phase CN403 COMP W phase 1 1 2 2 3 3 5 4 6 7 8 9 10 11 12 8 CN75 SMPS IN CNP051 REACTOR 4 CN75...

Page 50: ...CN75 SMPS IN CN75 SMPS IN CN301 4 M M O C 5 8 CN291 HEATER OPTION 1 12V 2 SGND 3 HeaterL 4 HeaterN CN281 DRED OPTION 1 DRED1 signal 2 DRED2 signal 3 DRED3 signal 4 SGND 4 5V 1 1 2 2 3 3 5 4 6 7 8 8 CN...

Page 51: ...wire Is inverted Terminalhasbeencut 2 There shall be no empty space between Ring terminal and Screw after Clamp If not there exists a possibility of fire which can be caused by electric heat in the c...

Page 52: ...on seethepagesat thefrontofthismanual 01 Airintake 02 Airfilter 03 Airflowblade upanddown 04 Airflowblade leftandright 05 Roomtemperaturesensor 06 Display 07 Powerbutton Remotecontrolreceiver B Displa...

Page 53: ...9 1 2 9 2 AR18NSFPEWQXEU AR24NSFPEWQXEU AR18NSFHBWKXEU AR24NSFHBWKXEU Outdoor Unit...

Page 54: ...odeindicator 04 Optionsindicator 05 Lowbatteryindicator 06 Transmitindicator 07 Fanspeedindicator 08 Verticalairswingindicator 09 Settingsindicator 10 Powerbutton 11 Temperaturebutton 12 Optionsbutton...

Page 55: ...usted automatically with reference to a temperature of the air blew 3 Fan speed setting is not allowed in DRY mode The speed of the indoor fan is set to LL in DRY mode Fan speed is selected automatica...

Page 56: ...nd outdoor unit connected correctly 2 Isn t the power cable and communication cable cross 2 Troubleshooting procedure YES ExchangetheoutdoorunitPBA ExchangetheindoorunitPBA NO NO NO NO ExchangethePBAo...

Page 57: ...Troubleshooting procedure YES ExchangetheindoorPBA YES ExchangetheindoorPBA NO NO Isthesensorresistancevalue 10kohm 3 attheroomtemperature of25 C YES DetachtheassembledsensorfromthePBAsensor connecto...

Page 58: ...alue in accordance with temperature 2 Troubleshooting procedure YES ExchangetheindoorPBA YES ExchangetheindoorPBA NO NO Isthesensorresistancevalue 3 4and 5 610kohm 3 attheroom temperatureof25 YES Deta...

Page 59: ...with the connector CN61 CN62 CN63 2 Troubleshooting procedure NO YES ExchangethePBA Normal YES NO NO NO Istheconnectedlouverwire Isthelampblinking YES YES ConnectthewirePBAtolouvermotor Checktheasint...

Page 60: ...ocedure NO YES PoweroffandSeparatetheFanmotorwire fromCN72onIndoorPBA ExchangetheFan motor YES YES NO YES YES Doesthefanrotate Isthefanerrorappearedagain Isthereshortamong eachpin 1 6 IsthevoltageofCN...

Page 61: ...esistance value of sensor connection pull up correct 2 Troubleshooting procedure YES Exchange the Outdoor PBA YES Exchange the Outdoor PBA NO NO NO Isthe sensorresistance value 1 2 10kohm 3 attheroomt...

Page 62: ...Is the resistance value of sensor connection pull up correct 2 Troubleshooting procedure YES Exchange the Outdoor PBA YES Exchange the Outdoor PBA NO NO NO Isthe sensorresistance value 5 6 10kohm 3 a...

Page 63: ...erature 4 Is the resistance value of sensor connection pull up correct 2 Troubleshooting procedure YES Exchange the Outdoor PBA YES Exchange the Outdoor PBA NO NO NO Isthe sensorresistance value 3 4 2...

Page 64: ...as leak 3 Download the EEPROM data 2 Troubleshooting procedure Restart after power off The condition is too poor for airconditionertooperate Wait until discharge temperature is decreased Restart after...

Page 65: ...ding of motor and propeller 2 Troubleshooting procedure NO YES Powero Separatethe Fan motor wire from CNP901 on Outdoor PBA Exchange the Fan motor YES YES NO YES YES Does the fan rotate Is the fan err...

Page 66: ...re is connected clockwise U RED V BLU W YEL 3 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restart after power off Download the EEPROM data Exchange the compressor Is...

Page 67: ...onnection of cable for the compressor 2 Is the compressor wire is connected clockwise U RED V BLU W YEL 3 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restartafterpowe...

Page 68: ...ng temperature abnormal overload 3 Is there any problem as like the temperature sensor separation or measurement value error 4 Is the interphase resistance of compressor normal 2 Troubleshooting proce...

Page 69: ...cs 10 15 Exchangethecompressor Isthepositionof temperaturesensorandsensing valuenormal Isthecompressorbody andinterphaseresistance insulated NO NO Correctthesensorpositionor exchangethesensor Exchange...

Page 70: ...Is the reactor wire connected 2 Troubleshooting procedure YES YES YES YES Isthe connectedofreactor wire PBA Reactor Is the DC_link voltage CE101 CE102 CE103 isnormalinoper at ion mode Normal range 280...

Page 71: ...s the reactor wire connected 3 Is the PFC resistor A value is normal Outdoor PBA 2 Troubleshooting procedure YES YES YES Isthe connectedofreactor wire PBA Reactor Is the DC_link sensing voltage B isno...

Page 72: ...LED BLINKING LED OFF 1 Checklist 1 Is the input voltage of outdoor terminal block is normal 2 Is the input voltage is higher than 300Vac 3 Is the reactor wire connected 2 Troubleshooting procedure YES...

Page 73: ...Electronics 10 19 YES YES IstheDC_linksensing voltage R105 isnormalinoperationmode Normalrange 0 2Vdc 4 0Vdc Isthereactorinsulationdamaged Exchangethe Reactor NO NO ExchangetheOutdoorPBA ExchangetheOu...

Page 74: ...Is there any problem as like the temperature sensor separation or measurement value error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Rest Exchange the Outdoor PBA...

Page 75: ...ED BLINKING LED OFF 1 Checklist 1 Is the PFC Shunt R701 R702 resistance value correct Check the resistor is opened 2 Is the IPM Shunt R410 R411 resistance value correct Check the resistor is opened 3...

Page 76: ...nsor error O Heatsink Over Temperature Error O LED ON LED BLINKING LED OFF 1 Checklist 1 Are there screws assembly in PBA heatsink 2 Is the gap PBA heatsink 3 Is the fan operation normal 4 Is the cove...

Page 77: ...ormal overload 3 Is there any problem as like the temperature sensor separation or measurement value error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure YES YES YES Y...

Page 78: ...ronics YES NO Isthepositionof temperaturesensorandsensing valuenormal Isthecompressor bodyandinterphaseresistance insulated Exchangethecompressor NO YES Correctthesensorpositionor exchangethesensor Ex...

Page 79: ...OTP errorEEPROM Data Error Main Micom Inv Micom LED ON LED BLINKING LED OFF 1 Checklist 1 Is there a short around micom 2 Is there a short around A 3 Did you download or insert EEPROM IC after changin...

Page 80: ...utdoor display O Operation condition secession O LED ON LED BLINKING LED OFF 1 Checklist 1 Check the temperature around the outdoor unit 2 Troubleshooting procedure Restartafterpoweroff Thetemperature...

Page 81: ...EV valve connection CN701 in Outdoo r unit 4 Check the refrigerant was charged 2 Troubleshooting procedure Rest _in sensor normal Is the gas leak error appeared again Is the EEV valve connection norma...

Page 82: ...10 28 Samsung Electronics ExchangetheIndoorPBA ExchangetheOutdoorPBA Isthepressureof refrigerantnormal NO Checkthepipecrack Filluptherefrigerant YES...

Page 83: ...0 normal 6 Is the voltage of SMPS DC in Main PBA CN151 CN152 normal 2 Troubleshooting procedure Unplug the power cord Restart after power o Check SMPS wire connection Isthe power cable from terminal b...

Page 84: ...ooting procedure YES YES YES YES YES YES Is the power cable from terminal block toPBA is correct CNP001 L CNP002 N CNP003 GND Is the power normal Is the SMPS is normal MAIN 18V CE170 17Vdc 19Vdc Check...

Page 85: ...ing 1 Checklist 1 Check if the connector was normally assembled 2 Check the battery in remote control 3 All the lights out and check again Change electronic typed to a rescent light 4 Put the set in o...

Page 86: ...01 in Outdoor unit 4 Check the refrigerant was charged 2 Troubleshooting procedure Rest ChecktheEEV valve operation Exchange the Indoor PBA Exchange the Outdoor PBA Is the positio ndoor eva_in sensor...

Page 87: ...is normally If the PBA is defective replace 2 Troubleshooting procedure NO NO NO YES YES YES YES YES YES YES Did stop valve of the low pressure valve open perfectly Among compressor operation does col...

Page 88: ...ion circuit Main part EEV control circuit Temperature sensing circuit Communication circuit OPTION HEATER DRED 10 2 33 Indoor detailed inspection procedure No procedure Inspection Method Cause 1 Plug...

Page 89: ...Wrong Power cable Wiring 2 Is the PFC050 3 4 input voltage 200Vac 240Vac L N E wire wrong wiring Terminal Block PBA Fuse open PT 021 OPEN RY021 RY022 is faulty Inverter Micom IC501 error 3 Is the CE15...

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Page 93: ...Unit A R 2 4 N S F P E W Q N X E U A R 2 4 N S F H B W K N X E U Project Capacity Feature Series Color Export Project Color Name Division Component Sinkeolreo code DA White Deco WQ PM Gray Deco GM Mi...

Page 94: ...2 Note Please measure the refrigerant pressure after the air conditioner operates on testing cooling mode during more than 10 minutes Indoor Temp Variation 20 C 32 C Outdoor Temp Variation 5 C 45 C L...

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Page 99: ...r filter out Insert the Air filter back in its original position and close the front panel Dry the Air filter in a ventilated area Clean the Air filter with a vacuum cleaner or soft brush If dust is t...

Page 100: ...12 5 2 12 8...

Page 101: ...12 6 12 9 12 6 1 12 6 2...

Page 102: ...12 7 12 7 1 12 10...

Page 103: ...12 7 2 12 11...

Page 104: ...KNEU AR24NSFPEWQNEU AR24NSFHBWKNEU 12 7 4 Working Range Min Max Rated Outdoor 5 46 35 Indoor 16 32 27 16 46 32 46 32 5 16 5 16 46 20 10 0 10 20 30 40 50 10 5 0 5 10 15 20 25 30 35 40 Ambient Temperatu...

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