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Samsung AR07BSFCMWKNCV, Service Manual

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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.

© Samsung Electronics Co., Ltd. 
September 2021

Summary of Contents for AR07BSFCMWKNCV

Page 1: ...rating Instructions 9 Troubleshooting 10 Block Diagram 11 Reference Sheet AR07BSFCMWKNCV AR09BSFCMWKNCV AR12BSFCMWKNCV AR15BSFCMWKNCV AR18BSFCMWKNCV AR24BSFCMWKNCV AR15BSFACWKNCV AR09BSFCMWKXCV AR12BSFCMWKXCV AR18BSFCMWKXCV AR24BSFCMWKXCV AR15BSFACWKXCV AR18BSFCMWKXCV AR09BSFCMWKXCV AR12BSFCMWKXCV AR07BSFCMWKNCV AR09BSFCMWKNCV AR12BSFCMWKNCV AR15BSFCMWKNCV AR18BSFCMWKNCV AR24BSFCMWKNCV AR15BSFACWK...

Page 2: ...st mode 11 3 2 Display Error and Check Method 12 3 3 Setting Option Setup Method 14 4 Disassembly and Reassembly 18 4 1 Indoor Unit 18 4 2 Outdoor Unit 29 5 ASSY CONTROL 42 5 1 ASSY KIT CODE DB92 04845U 42 5 2 ASSY KIT CODE DB92 04842N 43 5 3 ASSY KIT CODE DB92 04849D 44 5 4 ASSY KIT CODE DB92 04843H 45 6 Wiring Diagram 46 6 1 Indoor unit 46 6 2 Outdoor unit 47 7 PCB Diagram 48 7 1 Indoor Main PCB...

Page 3: ... error 68 9 2 11 Compressorwire missing error rotation error 69 9 2 12 Current sensor error Input current sensor error 70 9 2 13 O C Over Current error 71 9 2 14 No power outdoor Initial Diagnosis Not displayed 73 9 2 15 When the Up Down Left Right Grill louver motor does not operate 74 9 2 16 When the remote control is not receiving 75 9 2 17 Smart Install error 76 9 2 18 Outdoor OLP overtemperat...

Page 4: ...e air conditioner must be plugged into an independent circuit if applicable or connect the power cable to the auxiliary circuit breaker An all pole disconnection form the power supply must be incorporated in the fixed wiring with a contact opening of 3mm Do not extend an electric cord to the air conditioner The air conditioner must be plugged in afteryou complete the installation 1 3 During operat...

Page 5: ...th 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 conditioner upside down or sideways to prevent the damage to the compressor Young children or infirm persons should be always supervised when they use the air conditioner Max current is measured according to IEC standar...

Page 6: ...asy Filter Ɵ ʪθʪ ϑ ͱ θ ʪ ϩͱ θʪ ͱЭʪ ɵʪ ͱθʪ ϑʪΧɇθɇϩ ϩ ʪ ѣ ϩʪθ θͱ ϩ ʪ ɇ θ ʀͱ ʒ ϩ ͱ ʪθࡱ Ɵ ʪθʪ ͱθʪࡥ ѣ ϩʪθ ʀɇ ɵʪ ʀ ʪɇ ʪʒ ʪɇϑ ц ɇ ʒ ͱθʪ θʪαЇʪ ϩ ц Aͱ ϑϩɇ ϩ ѣ ϩʪθ ʀ ʪɇ и ΧθʪЭʪ ϩ ʒЇϑϩ θͱ ʪ ϩʪθ ϩ ʪ ΧθͱʒЇʀϩ ͱθ ɇʀʀЇ Ї ɇϩ ͱ ϩ ʪ ѣ ϩʪθ X good sleep function good sleep function will allow you to have deep good night sleep by adjusting the temperature ɇ ϑΧʪʪʒ ɇ ʒ ɇ θ Ѥͱи ʒ θʪʀϩ ͱ X Smart Install When the installati...

Page 7: ... G S 4by4by2 ߩף Ǯࡥ ߤŵࡒߤߪƊࡒ ߢߨ ߪ ࡥ Corrugate1 5 N G S 4by4by1 ߩף Ǯࡥ ߤŵࡒߥߨƊࡒ ߢߨ ߪ ࡥ Corrugate1 5 N G S 5by5by1 Sub Comp Model KTN130D42UFR KTN130D42UFR UG9TK3150FE4 UG8TH8265FEW OLP Motor In Code DB31 00694A DB31 00694A DB31 00636A DB31 00636A Name Motor Out Code DB31 00642C DB31 00642C DB31 00642C DB31 00579A Name Expansion ࡒ ף ø ߦ ߣף ߦ ߣף ߧߨ ߣף ߧߨ ߣף Refrigerant type R410A R410A R410A R410A charge...

Page 8: ...ߩף ŵࡒߧ ߨ Ɗࡒߧ ߣ ࡥ ߣ ߥࡥ Ę Ɗ S1 5 ߤ ࡥߩף ŵࡒߨƊॐߣŵࡒߦƊ ࡒߪߤߧ ߧ ࡥ ߣ ߥॐ ߣ ߥ ࡥ цʒθͱΧ ʀ ࡤ Ɗߥࣛߨ Cond Main ߩף Ǯࡥ ߤŵࡒߥߨƊࡒ ߢߨ ߪ ࡥ Aͱθ rugate1 5 N G S 5by5by1 Sub Comp Model KTN150D42UFR OLP Motor In Code DB31 00694A DB31 00636A DB31 00637A Name Motor Out Code DB31 00579A Name Expansion ࡒ ף ø ߧߨ ߣף Refrigerant type R410A R410A R410A charge g 1600 g SVC Valve Liquid Gas ߩ ߤߣףࢩߧߥ ߨף Tube Dis Suc ߩ ߤߣףࢩߤߧ ף Drain hos...

Page 9: ...ߥ ʒ9 ߦߪ ʒ9 ߧߣ ʒ9 Outdoor Unit ߧߣ ʒ9 ߧߥ ʒ9 ߧߩ ʒ9 ߨߢ ʒ9 Air Purifying System EASY CLEAN FILTER EASY CLEAN FILTER EASY CLEAN FILTER EASY CLEAN FILTER Indoor Display 88 SEG 88 SEG 88 SEG 88 SEG Model DEVELOPMENT MODEL AR07BSFCMWKNCV AR15BSFCMWKNCV AR15BSFACWK CV Design Indoor Unit Outdoor Unit Net Weight Indoor Unit 9 1 10 6 11 5 Outdoor Unit 55 6 Net Dimension Indoor Unit ߪߤߢࡒߤ ࡒߤߣߧ ߪߤߢࡒߤ ࡒߤߣߧ ߣߢߧߧࡒߤ...

Page 10: ...mark ASSY HANGER DB90 11453A Q1 Q2 1 Indoor unit case DB90 11454A Q3 1 ASSY WIRELESS REMOCON DB96 24901B 1 MANUAL USER DB68 11414A 1 MANUAL INSTALL DB68 11463A 1 Batteries for Remote controller 4301 000121 2 Rubber Leg DB67 01533A 4 Outdoor unit case Drain plug DB67 20011A 1 ...

Page 11: ...Operation Mode Cool mode operate the cool mode by operating the compressor by force without the compressor ON OFF according to the set temperature indoor temperature Do not follow the antifreeze control Up down louver Up down swing mode Indoor Fan Turbo Note Because the heat mode operate the cool mode by force not related to the set temperature indoor temperature check whether each subordinate is ...

Page 12: ...22 C123 INDOOR MID INDOOR IN EVA TH sensor error C140 Dust sensor error C142 Humidity error C143 Motion sensor error C154 Fan error indoor C161 Mixed operation error C163 Option error C187 çߣ ѣ ϩʪθ ʪʪʒ ɵɇʀ ʪθθͱθ C665 Drain pump error Note If the set doesn t work No power check the thermal fuse of terminal block OPEN or SHORT with Multimeter ࡒ đʪɇϑЇθʪ ϩ ʪ ϩ ʪθ ɇ Їϑʪ ͱЇϑ ťÃĘ ߣड़ߤ ࡤ ĮťkĘ ʒ ϑʀͱ ʪʀϩ ͱ ࣛ...

Page 13: ...ge temperature sensor error C468 Current sensor error C474 Heatsink sensor error C485 Input current sensor error C465 Comp V_limit I_limit error C500 Heatsinkover temperature error C231 CON TH Cond temperature sensor error C203 Time out Comp Inv Micom Main Micom C458 Fan error C471 EEPROM data error Main Micom INV Micom C467 Comp wire missing error C440 Prohibit operation condition error Heating C...

Page 14: ...gain 3 Make sure the remote control display shown as Setting option SEG1 Press the button the display panel to Press the button repeatedly to select Press the button to set Cool mode 5 4 3 2 1 Method Display Setting option SEG2 Press the button the display panel to Press the button repeatedly to select Setting option SEG3 Press the button the display panel to Press the button repeatedly to select ...

Page 15: ... select Setting option SEG7 Press the button the display panel to Press the button repeatedly to select Setting option SEG8 Press the button the display panel to Press the button repeatedly to select Setting option SEG9 Press the button the display panel to Press the button repeatedly to select Setting option SEG10 Press the button the display panel to Press the button repeatedly to select Press t...

Page 16: ...ss the button the display panel to Press the button repeatedly to select Setting option SEG13 Press the button the display panel to Press the button repeatedly to select Setting option SEG11 Press the button the display panel to Press the button repeatedly to select Setting option SEG12 Press the button the display panel to Press the button repeatedly to select Press the button to set Auto mode Pr...

Page 17: ...10 100000 200101 300357 AR24BSFCMWK CV 011A25 15C24B 274046 37140D 020010 100000 200101 300357 24 25 26 27 28 29 Method Display Press the button to set Fan mode Press the button to set Heat mode Setting option SEG17 Press the button the display panel to Press the button repeatedly to select Setting option SEG18 Press the button the display panel to Press the button repeatedly to select Setting opt...

Page 18: ...k ॐƊAŵkǮ UŵÃǤkŵ Q ty1 ea To assembly and disassembly the screw MONKEY SPANNER Q ty1 ea To assembly and disassembly the Fan motor and Compressor SCREW DRIVER Q ty1 ea To assembly and disassembly the screw 4 Disassembly and Reassembly ...

Page 19: ...he driving of air conditioner and shut off main power supply 2 Detach FILTER PRE from the PANEL FRONT ߥ Ɵ ʪ AĮǤkŵ ť Ękø ϑ ѣуʪʒ ϩͱ ɵͱʒц by hooks in center and side area 4 Separate the hook pulling end of the COVER PANEL as shown in ѣ Їθʪϑ Ǯɇϩʀ ͱЇϩ ͱθ ϩ ʪ ʒɇ ɇ ʪ ͱ hooks ...

Page 20: ...Panel after service end Piping and Drain Hose must be caseful not to damage and progress must be done with both hands Need to check all bottom hooks in holes of the main frame before you push to assemble Caution Assemble push side hooks Assemble push center 5 hooks each ...

Page 21: ...of the GRILLE INLET as shown in ѣ Їθʪϑ Ǯɇϩʀ ͱЇϩ ͱθ ϩ ʪ ʒɇ ɇ ʪ of hooks 7 To detach the PANEL FRONT from the main frame unfasten ߤ ϑʀθʪиϑ ɇϩ ϩ ʪ ɵͱϩϩͱ Їϑʪ ॐ Screw Driver 8 To detach the PANEL FRONT from the main frame loosen 4 hook structures When separate the hooks pull out each ribs near the hooks as ϑ ͱи ѣ Їθʪϑ Ǯɇϩʀ ͱЇϩ ͱθ the damage of hooks ...

Page 22: ...RONT upward ɇϑ ϑ ͱи ϩ ʪ ѣ Їθʪ ϩͱ ϑʪΧɇθɇϩʪ the 3 hooks 2 CONTROL IN 10 To open the CONTROL IN θɇ ϑʪ ϩ ʪ ϑ ʒʪ Ѥɇ ʪϑ ͱ ϩ ʪ PLATE RIGHT at an angle and un lock 2 hooks 11 To detach the CONTROLIN unfasten a screw back of the ťø Ɵkࣛøk Ɵ ɇϑ ϑ ͱи ѣ Їθʪϑ Їϑʪ ॐ Ɗʀθʪи Uθ Эʪθ ...

Page 23: ...an Moterwire as ϑ ͱи ѣ Їθʪϑ Caution When you separate the connec tor pull pressing the locking button 13 Separate Blade Moterwire as ϑ ͱи ѣ Їθʪϑ Caution When you separate the connec tor pull pressing the locking button 14 Cut off the Cable Tie tied up wires ...

Page 24: ...Ɗʀθʪи Uθ Эʪθ ߣߨ Ɵ ʪ AĮĘƟŵĮøࣛÃĘ ϑ ѣуʪʒ ϩͱ HOLER PIPE by a hook bottom of the case as shown in the last ѣ Їθʪ Please loosen remaining connectors before detaching CASECONTROL Caution When you separate the connector pull pressing the locking button 17 Put down of the HOLDER PIPE and push up the hook and lean ϑ ʒʪ ϩ ʪ ʀɇϑʪ ɇϑ ϑ ͱи ѣ Їθʪϑ ...

Page 25: ...25 NO Parts Procedure Remark 3 TRAY DRAIN 18 To detach the TRAY DRAIN from the main frame pull the bottom of the TRAY DRAIN and it leans toward to you as shown in ѣ Їθʪϑ 19 Pull out the Drain Hose ...

Page 26: ...me loosen 2 hook structhres When separate hooks Use the Screw Driver Insert the Screw Driver into the gap of the hook and lean to the Moter side as ϑ ͱи ѣ Їθʪϑ Ǯɇϩʀ ͱЇϩ ͱθ the damate of hooks 22 Remove the HOLDER PIPE 23 Unfasten a screw of the Fan Moter side Ƹϑʪ ॐ Ɗʀθʪи Uθ Эʪθ 24 Unfasten 2 screws of the opposite side of the Fan Moter Ƹϑʪ ॐ Ɗʀθʪи Uθ Эʪθ ...

Page 27: ...27 NO Parts Procedure Remark 4 EVAPORATOR 25 Pull up the EVAPORATOR of the opposite side of the Fan Moter 26 loosen a hook of the Fan Moter side 27 Pull up the EVAPORATOR to ward to you ...

Page 28: ... FAN 28 Unfasten a screw on the COVER MOTER Ƹϑʪ ॐ Ɗʀθʪи Uθ Эʪθ 29 Unwind the MoterWire 30 Detach the COVER MOTER 31 Unfasten a screw of the CROSS FAN a little Ƹϑʪ ॐ Ɗʀθʪи Uθ Эʪθ 32 Raise up the CROSS FAN of the left side and pull out from the Moter ...

Page 29: ...29 4 2 OutdoorUnit N SI N WW AR09BSFCMWKXCV AR12BSFCMWKXCV NO Parts Procedure Remark 1 Common work 1 Loosen each screws and detach the cabi Top cover 2 Loosen screws of the cabi front and detach it ...

Page 30: ...rk 3 Remove the 4 Cond Bar from the holder of outdoor unit cabinet ࡒ Ɵ ϑ Χθͱʀʪϑϑ ϑ ϑЇΧΧͱθϩʪʒ ɵц heating models only 4 Loosen ing screws from the Cabi Front Lh and detach it 5 Loosen ng screws from the Cabi Side Rh and detach it ...

Page 31: ...ture on the right side Turn clockwise because the screw is left handed Use Monkey Spanner 2 Detach the Fan Propeller ߥ øͱͱϑʪ ߦ ѣу ϑʀθʪиϑ ϩͱ ʒʪϩɇʀ the Motor Use Monkey Spanner 4 Disconnect the wire between Ass y Control Out and Motor ߧ øͱͱϑʪ ѣу ɵͱ ϩϑ ɇ ʒ detach the Bracket Motor ...

Page 32: ...ɇϑ ϑ ͱи ͱ ϩ ʪ right side and then remove the screw 2 Detach several connectors from the Assy Control Out 3 Detach several connectors from the PCB of Assy Control Out ߣ ŵʪ ʪɇϑʪ ϩ ʪ θʪ θ ʪθɇ ϩ ɇϩ ѣθϑϩ 2 Loosen ng screw on both sides 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger ...

Page 33: ...rts Procedure Remark 5 Compressor 1 Loosen the ng nut and detach the Compressor Lead Wire Use Monkey Spanner 2 Loosen the bolts at the bottom of Compressor like the picture on the right side Use Monkey Spanner ...

Page 34: ...KXCV NO Parts Procedure Remark 1 COMMON WORK ߣ øͱͱϑʪ ѣу ϑʀθʪиϑ θͱ ϩ ʪ cabi side Rh and detach it 2 L oosen each sc rews and detach the Cabi Top Cover ߥ øͱͱϑʪ ѣу ϑʀθʪиϑ θͱ ϩ ʪ cabi side ߦ øͱͱϑʪ ѣу ϑʀθʪиϑ θͱ ϩ ʪ cabi side Rh and detach it ...

Page 35: ...NO Parts Procedure Remark 1 COMMON WORK ߧ øͱͱϑʪ ѣу ϑʀθʪиϑ θͱ ϩ ʪ cabi front and detach it ߨ ø ͱͱϑʪ ѣу ϑʀθʪиϑ θͱ ϩ ʪ Cabi left and detach it and Remove the 4 Cond Bar from the holderof outdoor unit cabinet ...

Page 36: ...cture on the right side Turn clockwise because the screw is left handed Use Monkey Spanner 2 Detach the Fan Propeller ߥ øͱͱϑʪ ߦ ѣу ϑʀθʪиϑ ϩͱ ʒʪϩɇʀ the Motor Use Monkey Spanner 4 Disconnect the wire between Assy Control Out and Motor ߧ øͱͱϑʪ ѣу ɵͱ ϩϑ ɇ ʒ ʒʪϩɇʀ ϩ ʪ Bracket Motor ...

Page 37: ...ͱ the right side and then remove the screw 2 Detach several connectors from the Assy Control Out 3 Detach several connectors from the PCB of Assy Control Out 4 Heat Exchanger ߣ ŵʪ ʪɇϑʪ ϩ ʪ θʪ θ ʪθɇ ϩ ɇϩ ѣθϑϩ 2 Loosen ng screw on both sides 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger ...

Page 38: ...rts Procedure Remark 5 Compressor 1 Loosen the ng nut and detach the Compressor Lead Wire Use Monkey Spanner 2 Loosen the bolts at the bottom of Compressor like the picture on the right side Use Monkey Spanner ...

Page 39: ...ϑʪ ॐ Ɗʀθʪи Uθ Эʪθ 3 Outdoorand in doorunit s power cable and commu nication cable Caution Make sure shutting the power off supply before disassembling ߣ Ƹ ϑʀθʪи ߤ ѣу ϑʀθʪиϑ Ї ʒʪθ ʀɇɵ ʪ holders and remove 2 Get rid of cable tie of communica tion cable 3 Unscrew the numbers of screws on terminal block and separate power and communication Ring cables from terminal block 4 Unscrew earth wire screws an...

Page 40: ...и Driver 6 ASSY CONTROL OUT 1 Disconnect and Separate 5 Con nectors of wire from Assy Control Out 2 Separate Comp wire from each object Caution When you disconnect BLDC motor connectoryou have to ʀЇϩ ϩ ʪ Χͱиʪθ ͱ ѣθϑϩ ɇ ʒ ʒ ϑʀͱ nect 30 seconds laterAnd Make sure that is impossible to connect and disconnect BLDC motor connector when the power is on 3 Unscrew and remove 2 screws on of Assy Control ou...

Page 41: ...d remove 2 screws on ϩͱ ϩɇ ʪ ɇΧɇθϩ 9θɇʀ ʪϩ đͱϩͱθ Ƹϑʪ ॐ Screw Driver 9 Heat Exchanger ߣ ťЇθ ʪ ϩ ʪ ŵʪ θ ʪθɇ ϩ ѣθϑϩ ߤ Ƹ ϑʀθʪи ϩ ʪ ѣу ϑʀθʪи 3 Separate the pipe from the En trance and Exist by using a welder 4 Separate Heat Exchanger from Unit Caution When removing the Compressor Heat Exchanger and Pipe Purge the Refrigerant inside the Compressor completely and re ͱЭʪ ϩ ʪ Χ Χʪ и ϩ ɇ иʪ ʒ Ѥɇ ʪ ...

Page 42: ... EA 7 SCREW TAPPING 6002 001163 1 EA 8 SCREW TAPPING 6002 000213 2 EA 9 SCREW SPECIAL 6009 001001 3 EA 10 CABLE TIE 6501 001075 1 EA 11 TERMINAL BLOCK_4P_CV DB37 00033B 1 EA 12 ASSY PCB DISPLAY_88_WIFI DB92 04833B 1 EA 14 SENSOR HUMIDITY DB32 00272A 1 EA 15 ASSY CONNECTOR WIRE POWER DB93 17169A 1 EA 16 ASSY CONNECTOR WIRE COMM DB93 17055B 1 EA 17 ASSY CONNECTOR WIRE EARTH DB93 14245D 1 EA 19 ASSY ...

Page 43: ... 480 DB61 06722A 1 EA 10 COVER CONTROL OUT WW SI DB63 04234A 1 EA 11 PLATE CONTROL N SI DB61 05897C 1 EA 12 SPRING DB81 00635A 2 EA 13 SEAL DB62 11637T 0 153 mm 14 LABEL DB98 34030A 1 EA 15 HEAT SINK DB62 13008A 1 EA 16 TERMINAL BLOCK DB65 00274A 1 EA 16 TERMINAL BLOCK DB37 00036B 1 EA 17 ASSY CONNECTOR WIRE POWER DB93 16371A 1 EA 18 ASSY CONNECTOR WIRE COMM DB93 16402A 1 EA 19 ASSY CONNECTOR WIRE...

Page 44: ...TROL DB61 04690B 1 EA 12 SPRING DB81 00635A 2 EA 13 SEAL DB62 11637T 0 153 mm 17 LABEL DB98 34030A 1 EA 18 HEAT SINK DB62 13008A 1 EA 19 TERMINAL BLOCK DB65 00274A 1 EA 20 TERMINAL BLOCK DB37 00036B 1 EA 21 ASSY CONNECTOR WIRE POWER DB93 16371A 1 EA 22 ASSY CONNECTOR WIRE COMM DB93 16402A 1 EA 23 ASSY CONNECTOR WIRE COMP DB93 09497B 1 EA 24 ASSY CONNECTOR WIRE AC SIGNAL DB93 17177A 1 EA 25 ASSY CO...

Page 45: ...ENSORD B81 00635A 1 15 LABEL DB98 34030A1 16 HEATSINKD B62 13009A 1 17 TERMINAL BLOCK DB65 00274A1 18 TERMINAL BLOCK DB37 00036B 1 19 ASSY CONNECTOR WIRE POWER DB93 17207A1 20 ASSY CONNECTOR WIRE COMM DB93 16402A 1 21 ASSY CONNECTOR WIRE AC SIGNALD B93 16403A 1 22 ASSY CONNECTOR WIRE COMP DB93 10905D 1 24 ASSY CONNECTOR WIRE REACTORD B93 17175A 1 27 ASSY CONNECTOR WIRE DC SIGNAL DB93 17173A 1 33 A...

Page 46: ...46 6 Wiring Diagram 6 1 IndoorUnit All models CODE DB68 08680A 01 ...

Page 47: ...47 6 2 OutdoorUnit All models CODE DB68 08682A 01 ...

Page 48: ...48 7 PCB Diagram 7 1 IndoorMain PCB CODE DB92 04839A AR09BSFCMWKNCV AR12BSFCMWKNCV AR18BSFCMWKNCV AR24BSFCMWKNCV ...

Page 49: ...49 7 2 OutdoorMain PCB CODE DB92 04837D AR09BSFCMWKXCV AR12BSFCMWKXCV AR18BSFCMWKXCV ...

Page 50: ...50 ...

Page 51: ...51 7 3 OutdoorPCB InverterCODE DB92 04838A AR24AVFAAWKXPR CN210 CN320 CNP00 CNP03 CNP00 CN380 CN700 CN470 CN810 CNP90 CNP40 CNP051 CN551 CNP00 CNP00 CN800 ...

Page 52: ...MP_U 14 NULL 6 TDI_MAIN CNP901 BLDC MOTOR 15 NULL 7 TMS_MAIN 1 310VDC 16 NULL 8 TRACECLK_MAIN 2 NULL 17 GND 9 GND 3 AGND 18 DA_CLK 10 5VDC 4 15VDC 19 DA_CS 11 5VDC 5 MOTOR SIGNAL 20 DA_DATA 12 NULL 6 FEEDBACK SIGNAL CN810 EEV 13 NULL CN470 THERMISTOR 1 SIGNAL1 14 TRACE3_MAIN 1 OUT_TH 2 SIGNAL2 15 NULL 2 GND 3 SIGNAL3 16 NULL 3 DIS_TH 4 SIGNAL4 17 GND 4 GND 5 12VDC 18 TRACE2_MAIN 5 COND_TH CN700 HE...

Page 53: ...53 7 4 DISPLAY PCB ...

Page 54: ... Terminal press of Ring terminal shall be set facing up before connecting wire 2 There shall be no empty space between Ring terminal and Screw afterClamp If not there exists a possibility of fire which can be caused by electric heat in the connecting part ...

Page 55: ...bject to change according to the model X Main Parts 08 07 06 01 02 03 04 05 01 Air intake 02 θ ѣ ϩʪθ 03 WindFree panel 04 θѤͱи ɵ ɇʒʪ ЇΧ ɇ ʒ ʒͱи 05 θѤͱи ɵ ɇʒʪ ʪ ϩ ɇ ʒ θ ϩ 06 Powerbutton Remote control receiver 07 Room temperature sensor 08 Display 8 Operating Instructions ...

Page 56: ...ter reset indicator Electricity consumption indicator numeric Auto clean indicator Defrost indicator 02 AI Auto indicator 03 Timerindicator good sleep indicator 04 Wi Fi indicator NOTE When the Wi Fi is turned on the indicator blinks three times and then turn on ...

Page 57: ...r 05 Low battery indicator 06 Transmit indicator 07 Fan speed indicator 08 WindFree indicator 09 Vertical airswing indicator 10 Horizontal airswing indicator 11 Powerbutton 12 Temperature button 13 Timerbutton 14 Fan speed button 15 Direction button Selection button 16 Vertical airswing button 17 Mode button 18 Fast WindFree button 19 Horizontal airswing button 20 Options Clean button 21 SET butto...

Page 58: ...emperature 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 automatically in AUTO mode 4 Compressor stops operation intermittently in Dry mode Compressor operation is controlled automatically in DRY mode depending on the room temperature and humidity 5 Timer LED ORANGE of the indoor unit lights up and the air ...

Page 59: ...cted correctly 2 Isn t the power cable and communication cable cross 2 Troubleshooting procedure YES NO NO NO NO YES YES YES YES Restart after power off Is the communciation error occurred again Is the connection of powercable and communication cable normal Is the poweris normal check the LED Lamp Exchange the indoorunit PBA Is the communication erroroccurred again Exchange the outdoorunit PBA Ter...

Page 60: ...mperature 2 Troubleshooting procedure YES YES NO NO YES Detach the assembled sensorfrom the PBA sensorconnectorand measure the sensor resistance with ohmmeter tester Assy SensorReplace Sensorresistance value 20 C 12 09 kohm 30 C 8 31 kohm 35 C 6 94 kohm 40 C 5 83 kohm Is the sensorresistancevalue 10kohm 3 at the room temperature of 25 C Connect the sensorto PBA connector 6pin ϑЇΧΧ ц Χͱиʪθ ɇ ʒ ʪɇϑЇ...

Page 61: ...terpoweroff Does the fan rotate Powero and Separate the Fan motorwire from CN72 on IndoorPBA Is there short among ʪɇʀ Χ ߣड़ ߨ Reassemble the fan wire and input the poweragain Is the fan errorappeared again Terminate the service Exchange the Fan motor Follow the check procedure of Indoorunit powersupply errorcheck Exchange the IndoorPBA Ãϑ ϩ ʪ Эͱ ϩɇ ʪ ͱ AĘߩߤ ߣࣛ ߥ ͱЭʪθ ߤߧߢǤʒʀ Is the voltage of CN72 ߥ...

Page 62: ...ce value of sensor connection pull up correct 2 Troubleshooting procedure Model A B ALL CN251 AĘߤߧߣ ߣࣛ ߤ YES YES NO NO NO YES YES Is the sensorconnector A connected correctly in accordance with a color Is the sensorresistance value B 10kohm 3 at the room temperature of 25 ঙ Reconnect the sensorconnector SensorReplace Sensorresistance value 20 12 09 kohm 30 8 31 kohm 35 6 94 kohm 40 5 83 kohm Excha...

Page 63: ...resistance value of sensor connection pull up correct 2 Troubleshooting procedure Model A B ALL CN251 AĘߤߧߣ ߧࣛ ߨ YES YES NO NO NO YES YES Is the sensorconnector A connected correctly in accordance with a color Is the sensorresistance value B 10kohm 3 at the room temperature of 25 ঙ Connect the sensorto PBA connectorsupply power and measure the voltage of B communication cable Reconnect the sensorc...

Page 64: ...re 4 Is the resistance value of sensor connection pull up correct 2 Troubleshooting procedure Model A B ALL CN251 AĘߤߧߣ ߣࣛ ߤ YES YES NO NO NO YES YES Is the sensorconnector A connected correctly in accordance with a color Is the sensorresistance value B 200kohm 3 at the room temperature of 25 ঙ Reconnect the sensorconnector SensorReplace Sensorresistance value 20 242kohm 30 166ohm 35 138ohm 40 115...

Page 65: ...sion LED ON LED BLINKING LED OFF 1 Checklist 1 Check the temperature around the outdoor unit 2 Troubleshooting procedure NO YES YES Restart afterpoweroff Terminate the service Is the operation condition secession errorappeared again ࡒ ʪɇϩ ͱʒʪ ࡒ Is the outdoortemperature over40 ঙ or under 30 ঙ ࡒ Aͱͱ ͱʒʪ ࡒ Is the outdoortemperature under 7 ঙ The temperature condition is too poorto operate Wait until...

Page 66: ...rrorEEPROM Data Error Main MicomInv 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 changing outdoor PBA 2 Troubleshooting procedure NO YES poweroff and download EEPROM data or Insert the service EEPROM IC Restart afterpoweroff Is the errorappeared again Exchange the OutdoorPBA Terminate the serv...

Page 67: ...motor and propeller 2 Troubleshooting procedure NO YES YES YES NO YES YES NO NO NO Restart afterpoweroff Does the fan rotate Is the fan errorappeared again Ãϑ ϩ ʪ Эͱ ϩɇ ʪ ͱ ߣࣛ ߥ ͱЭʪθ ߤߧߢǤʒʀ Ãϑ ϩ ʪ Эͱ ϩɇ ʪ ͱ ߥࣛ ߧ ɇ ʒ ߥࣛ ߨ и ϩ ߣǤʒʀड़ߣߧǤʒʀ ʒЇθ the operation Reassemble the fanwire and input the poweragain PBA problem orMotorproblem A ɇ ʪ ϩ ʪ ť9 ѣθϑϩ ɇ ʒ ʀ ʪʀ ϩ ʪ ͱΧʪθɇϩ ͱ Exchange the Fan motor Exchange...

Page 68: ... U RED V BLU W YEL 3 Is the interphase resistance of compressor normal 2 Troubleshooting procedure NO NO NO NO YES YES YES YES Restart afterpoweroff Is the restart erroroccurred again Download the EEPROM data Is the restart erroroccurred again Is the compressorbody and interphase resistance insulated Exchange the compressor Exchange the OutdoorPBA Terminate the service Connect the comp wire normal...

Page 69: ...compressorwire is connected clockwise U RED V BLU W YEL 3 Is the interphase resistance of compressor normal 2 Troubleshooting procedure NO NO NO NO YES YES YES YES Restart afterpoweroff Is the restart erroroccurred again Is the connection of compressorwire is normal PBA and Compressor Is the restart erroroccurred again Is the compressorbody and interphase resistance insulated Exchange the compress...

Page 70: ...ecklist 1 Is the PFC Shunt A resistance value correct Check the resistor is opened 2 Is the IPM Shunt B resistance value correct Check the resistor is opened 3 Is there no short or open around C 2 Troubleshooting procedure NO NO YES YES Restart afterpoweroff Is the PFC shunt and IPM shunt resistance value correct Is the current sensorerrorappeared again Exchange the OutdoorPBA Exchange the Outdoor...

Page 71: ...oblem as like the temperature sensor separation or measurement value error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure NO NO NO NO YES YES YES YES Restart afterpoweroff Is the O C erroroccurred Is the connection of compressorwire is normal Is the O C erroroccurred again Is the condition of indoor outdoor temperature normal load Terminate the service Connect the ...

Page 72: ...s the position of temperature sensorand sensing value normal Correct the sensorposition or exchange the sensor Exchange the OutdoorPBA Exchange the compressor Is the compressorbody and interphase resistance insulated ...

Page 73: ... CN150 normal 6 Is the voltage of SMPS DC in Main PBA CN151 CN152 normal 2 Troubleshooting procedure NO NO NO NO YES YES YES YES Unplug the powercord Check the fuse open ornot F001 Restart afterpoweroff Is the powernormal Is AC poweris normal forSMPS CN150 220Vac 240Vac Check SMPS wire connection Exchange the Main PBA Check the powersource Exchange the Main PBA Reconnect the powerwire correctly Is...

Page 74: ...3 2 Troubleshooting procedure NO YES YES NO NO NO YES YES Unplug the powercord and plug it after 30seconds later Is the lamp blinking Is the connected louverwire Does operation start when swing button of the remote control unit pushed Ãϑ ϩ ʪ Эͱ ϩɇ ʪ ʀ ɇ ʪɇɵ ʪ ɇϩ ϩ ʪ Χ ߤड़ ߧ ͱ CN61 CN62 CN63 louverconnector Up Down louvermotoris faulty Exchange the PBA Normal Connect the wire PBA to louvermotor Chec...

Page 75: ...o a rescent light 4 Put the set in operation and check the voltage of display PBA 5 Replace the display PBA 2 Troubleshooting procedure NO NO NO YES YES YES NO If the connectorwas normally assemble Have the battery in remote control Insert the battery in remote control All the lights out A ɇ ʪ ʪ ʪʀϩθͱ ʀ ϩцΧʪʒ ѤЇͱθʪϑʀʪ ϩ ϩ Re check the connector Exchange the display PBA Check the connectorto normal...

Page 76: ... Power button simultaneously for 4 seconds Smart Install mode can be operated only with the supplied remote controller During the Smart install mode procedure remote controller cannot be operated 3 Troubleshooting procedure NO NO NO YES YES YES YES YES YES YES Did stop valve of the low pressure valve open perfectly Open perfectly stop valve Use the 4mm hex wrench Re connect after3 seconds aftersep...

Page 77: ...YES NO YES YES NO Restart afterpoweroff after10min 1Hr Is the OLP overtemperature sensor errorappeared again Check the OLP Sensorpostion on the CompressorTop Is the OLP overtemperature sensor errorappeared again Check the service valve is closed Check the compressorlocking orgas leak Is the OLP overtemperature sensor errorappeared again The condition istoo poorforairconditionerto operate Wait unti...

Page 78: ...bnormality 2 Troubleshooting procedure NO NO NO YES YES YES YES YES YES YES Is the stop valve of the low pressure side service valve fully open Use a 4mm hexagonal wrench to fully open the stop valve Removethe powercordfromthe outlet plug it back in 3 seconds and start cooling operation atthe lowest temperature possiblewiththe remote control Isthe cold aircoming out ofthe indoorunitwhile drivingth...

Page 79: ...5 COMM 2 WAY COMMUNICATION MAIN DC POER 15V 12V 5V STEP MOTOR H V WIRED REMOCO N OUT MODULE BUZZER DC LOAD CONTROL SMPS ROOM SENSOR HUMIDITY SENSO R EVA SENSOR DETECT SENSO R SENSOR BLDC MOTOR EMI FILTER CAP ZERO MICOM TMPM3HPFDFG MAIN PBA INDOOR WIRED REMOCO N OUT MODULE WiFi MODULE OPTION DISPLAY REMOCON RECEIVER DETECT ...

Page 80: ...LED SENSOR EEV1 4WAY V V DRED HEATER INDOOR 485 COMM POWER EEPROM INVERTER BLOC K UART COMM SMPS LED INVERTER MICOM CURRENT SENSING OPTION HIGH PRESSURE SWITCH FILTER CURRENT SENSING CAPACITOR PFCM DOWNLOAD FAN COMPRESSOR RAC ONLY SPEED OTN IPM ...

Page 81: ...ol circuit 4way circuit communication circuit OPTION EEV control circuit temperature sensing circuit 10 2 3 Indoordetailed inspection procedure No Procedure Inspection Method Cause 1 Plug out and pull the PCB out of the control box Check the PCB fuse 1 Is 1st fuse disconnected 2 Is 2nd fuse disconnected Over current Indoor Fan motor short AC part and pattern short of Indoor PBA 2 Supply power If t...

Page 82: ... the C006 voltage 200Vac 240Vac Fuse open L N F1 F2 wire wrong wiring Terminal Block PBA 3 Is the CN150 voltage 200Vac 240Vac Power circuit is faulty Load short ߦ Ãϑ ϩ ʪ ť Aߢߧߢ ߤߨࣛ ߤߩ Эͱ ϩɇ ʪ 200Vac 240Vac after 3 minutes later Fuse open L N F1 F2 wire wrong wiring Terminal Block PBA PTC020 open RY021 RY022 is faulty Outdoor Micom IC201 error 5 Is the CE101 voltage 280Vdc 320dc after 3 minutes lat...

Page 83: ...5 C 45 C 11 2 Pressure Capacity mark ॵ ťͱиʪθࢩ ʪɇϩ W cal s kcal h Btu h HP kg m s Ib m s 1 0 23885 0 85985 3 4121 0 001341 0 10197 0 73756 4 1868 1 3 6 14 286 0 0056146 0 42693 3 088 1 163 0 27778 1 3 9683 0 0015596 0 11859 0 85778 0 29307 0 06999 0 252 1 3 9302x10 4 0 029885 0 21616 745 7 178 11 641 19 2 544 4 1 76 04 550 9 8067 2 3423 8 4322 33 462 0 013151 1 7 233 1 3558 0 32383 1 0658 4 6262 0 ...

Page 84: ...mperature lower Leakage Q It oods the oor A Place the drain hose properly When it is not placed properly the drain waterwould ow back ooding the oor So straighten out the drain hose for the water to be drained well Q Waterdrips at the drain connection service valve of the outdoorunit A When a glass bottle is taken out of the refrigerator moisture gets condensed on its surface due to the temperatur...

Page 85: ...s generally when there are pet animals in the house Their smells stay at the same place But when the air conditioner is turned on the air gets circulated result ϩ ʪ ʀ θʀЇ ɇϩ ͱ ͱ ϩ ʪ ϑ ʪ ϑ Ɗͱࡥ ѣ ʒ ɇ ʒ θͱͱϩ ͱЇϩ ϩ ʪ Χθͱɵ ʪ ͱθ θʪ θʪϑ ϩ ʪ room frequently Q It sends out bad smells A Ǯ ʪ ϩ ʪ ɇ θ ѣ ϩʪθ ϑ ѣ ϩ цࡥ ϩ ʀͱЇ ʒ ϑʪ ʒ ͱЇϩ ɵɇʒ ϑ ʪ ϑ Ɗͱࡥ ʀ ʪɇ ϩ ʪ ѣ ϩʪθ ɇ ʒ Эʪ tilate the room with the windows open whil...

Page 86: ...with the outdoor unit in it out side the apartment Also it is illegal obstructing passers by with the outdoor unit installed outside Q What can be done to install the outdoor unit facing the road because it is a com mercial building A The following is an excerpt from building code going into eect from JUNE 1 st 2005 The exhaust pipe of a cooling orventilation facility installed in a building adjac...

Page 87: ...rturns off Auto clean runs for10 to up to 30 minutes depending on internal dry conditions The indoor unit display shows the cleaning progressfrom1 to 99 If you start another function while Auto clean is progressing Auto clean pauses and will resume when the other function stops WhenAuto clean completes the airconditionerturns off Canceling Auto clean To cancel Auto cleanwhile it is running followt...

Page 88: ...e or alcohol to clean the unit surfaces Cleaning the heat exchangeron the outdoorunit 1 Turn off the air conditioner and wait until the fan stops 2 Disconnect the power supply 3 Spray water on the heat exchanger to remove dust and other debris CAUTION Do not use sulphuric acid hydrochloric acid or organic solvents such as paint thinner kerosene acetone benzene or alcohol to clean the unit surfaces...

Page 89: ... Rinse the filter and let it air dry in a well ventilated area that is out of direct sunlight 5 Reinstall the filter 6 Reset the filter cleaning reminder In operation ॷ ॷ ॷ Select FilterReset ॷ CAUTION Take care not to damage the filter during cleaning Do not scrub the airfilterwith a hard bristle brush or another cleaning utensil Do not expose the airfilterto direct sunlight when drying it ...

Page 90: ...ʀϩ ϩ You shall cut the pipe with a pipe cutter and grind all the burrs of the cut surface pipe expan sion may continue until the pipe surface becomes uneven or torn apart Be sure to use a torque wrench to tighten pipes or are nuts ॵ øʪɇ Ɵʪϑϩ Put an inset gas like nitrogen in the outdoor unit pipe and put soap bubbles or other test liquids on the pipe surface for the leak test ॵ Uθɇ ͱϑʪ Aͱ ʪʀϩ Inst...

Page 91: ... to the packed valve having a service port 3 8 Packed valve as shown at the re 3 Open the valve of the low pressure side of manifold gauge counter clockwise 4 Purge the air from the system using vacuum pump for about 30 minutes After that please recheck that pressure is stabilized Close the valve of the low pressure side of manifold gauge clockwise Remove the hose of the low pressure side of manif...

Page 92: ...alentering 4 Turn the 3 way valveclockwise to close 1 Removethe caps from the 3 way valveand the 3 way valve 2 Turn the 3 way valveclockwise to close and connect a pressure gauge low pressure side to the service valve and openthe 3 way valve again 3 Set the unit to cool operationmode Check if the compressor is operating 5 When the pressuregauge indicates 0 turn the 3 way valveclockwise to close 6 ...

Page 93: ...đߣ ߢ ϩʪθ ॐ ťđߣ ߢ Ɗʪ ϑͱθ ॐ Ǯ ѣ A đͱϩ ͱ ʒʪϩɇʀϩ ॐ ťđߣ ߢ ϩʪθ ॐ Ǯ ѣ B đͱϩ ͱ ʒʪϩɇʀϩ ॐ Ǯ ѣ ॐ Ɵθ ࣛʀɇθʪ ѣ ϩʪθ C đͱϩ ͱ ʒʪϩɇʀϩ ॐ Ǯ ѣ D Ǯ ѣ ॐ Ɵθ ࣛʀɇθʪ ѣ ϩʪθ E Ǯ ѣ F Ɵθ ࣛʀɇθʪ ѣ ϩʪθ G none H Good1 swing J Item 8th WindFree GEO A WindFree AIRISE C Wind GEO Y Wind AIRISE Z Item 9th 1ST MODEL A 2nd MODEL B 18 th Model R Division Series Project ColorName Division component Sinkeolreo code 10th 11th Remark QMD A GEO...

Page 94: ...gspn1 samsungcsportal com Europe China Asia http gspn1 samsungcsportal com http gspn1 samsungcsportal com http china samsungportal com http gspn2 samsungcsportal com 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 Samsung Electronics Co Ltd September 2021 ...

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