Samsung AR18NSPXBWKNEU Service Manual Download Page 27

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SAMSUNG ELECTRONICS

No.

Parts

Procedure

Remark

EVAPORATOR

18) Detach the HOLDER PIPE.

19) Unfasten the screw at the left side.
(use + Screw Driver)

20) Unfasten the screw at the right side.
(use + Screw Driver)

21) To detach Evaporator from the main
frame, pull the bottom of the Evaporator
towards you.

Summary of Contents for AR18NSPXBWKNEU

Page 1: ...List 7 Wiring Diagram 8 PCB Diagram 9 Operating Instructions 10 Troubleshooting 11 Block Diagram 12 Reference Sheet AR18NSPXBWKNEU AR24NSPXBWKNEU AR18NSWXBWKNEU AR24NSWXBWKNEU AR18NSWXCWKNEU AR24NSWXCWKNEU AR18NSPXBWKXEU AR24NSPXBWKXEU AR18NSWXBWKXEU AR24NSWXBWKXEU AR18NSWXCWKXEU AR24NSWXCWKX EU AR24NSPXBWKNEU AR18NSWXBWKNEU AR24NSWXBWKNEU AR18NSWXCWKNEU AR24NSWXCWKNEU AR24NSPXBWKXEU AR18NSWXBWKXE...

Page 2: ... 3 1 3 2 d o h t e M k c e h C d n a r o r r E y a l p s i D 3 2 3 3 Setting Option Setup Method 3 4 4 Disassembly and Reassembly 4 1 4 1 Indoor Unit 4 2 5 ASSY CONTROL 5 1 5 1 ASSY KIT CODE DB92 04409A 5 1 5 2 5 2 ASSY KIT CODE DB92 04378B 6 Electrical Parts List 6 1 6 1 INDOOR MAIN PCB CODE DB92 04101B 6 1 6 2 OUTDOOR MAIN PCB CODE DB92 04029D 6 4 7 Wiring Diagram 7 1 7 1 Indoor Unit 7 1 7 2 Out...

Page 3: ...rror BLDC fan 10 4 10 2 4 Outdoor temperature sensor error 10 5 10 2 5 Outdoor Cond temperature sensor error 10 6 10 2 6 Outdoor Discharge temperature sensor error 10 7 10 2 7 Operation condition secession error 10 8 10 2 8 EEPROM error OTP error 10 9 10 2 9 Outdoor Fan motor error 10 10 10 2 10 Compressor starting error 10 11 10 2 11 Compressor wire missing error rotation error 10 12 10 2 12 Curr...

Page 4: ...a hazard O The 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 O Do not extend an electric cord to the air conditioner O The air conditioner must be plugged in after you complete the installation...

Page 5: ...tacts with your skin it can cause skin injury O The package of the air conditioner should be recycled or disposed of properly for environmental reasons 1 5 Others O Never store or load the air conditioner upside down or sideways to prevent the damage to the compressor O Young children or infirm persons should be always supervised when they use the air conditioner O Max current is measured accordin...

Page 6: ...along at home Aside from energy savings from the inverter technology the Single User Mode will further minimize your energy consumption and reduce your electricity bill by adjusting the maximum operating capacity of the compressor Easy Filter Smart Install When the installation is done your product will examine itself through trial operation to check if it was installed properly EasyInstallation I...

Page 7: ...9TK3150FE4 UG9TK2150FE4 UG9TK3150FE4 OLP Code DB31 00636A DB31 00637A DB31 00636A Name Code DB31 00642D DB31 00658D DB31 00642D Name Expansion Φ L EEV Φ1 65 EEV Φ1 65 EEV Φ1 65 type R 410A R 410A R 410A charge g 1300 g 1450 g 1300 g SVC Valve Liquid Gas 6 35 12 7 6 35 15 88 6 35 12 7 Tube Dis Suc 9 52 12 7 9 52 12 7 9 52 12 7 Drain hose D L mm 20 550 20 550 20 550 V Hz Φ 220 240 50 1 220 240 50 1 ...

Page 8: ...K2150FE4 UG9TK3150FE4 UG9TK2150FE4 OLP Code DB31 00637A DB31 00636A DB31 00637A Name Code DB31 00658D DB31 00642D DB31 00658D Name Expansion Φ L EEV Φ1 65 EEV Φ1 65 EEV Φ1 65 type R 410A R 410A R 410A charge g 1450 g 1300 g 1450 g SVC Valve Liquid Gas 6 35 15 88 6 35 12 7 6 35 15 88 Tube Dis Suc 9 52 12 7 9 52 12 7 9 52 12 7 Drain hose D L mm 20 550 20 550 20 550 V Hz Φ 220 240 50 1 220 240 50 1 2...

Page 9: ...88 SEG 88 SEG 88 SEG Indoor Display Net Weight Net Dimension Noise Model Design Air Purifying System DEVELOPMENT MODEL AR24NSWXBWK EU AR18NSWXCWK EU AR24NSWXCWK EU Indoor Unit Outdoor Unit Indoor Unit 13 4 13 4 13 4 Outdoor Unit 44 8 44 8 44 8 Indoor Unit 1065 311 301 1065 311 301 1065 311 301 Outdoor Unit 880 310 648 880 310 648 880 310 648 Indoor Unit 51 46 51 Outdoor Unit 60 57 60 EASYCLEAN FIL...

Page 10: ... HANGER DB90 07731A 1 Indoor Unit ASSY WIRELESS REMOCON DB93 16761C 1 HOLDER REMOCON DB61 06087A 1 BATTERY 4301 000121 2 MANUAL USERS DB68 07469A 1 MANUAL INSTALL DB68 06732A 1 SCREW TAPPING 6002 000623 2 CAP SCREW DB67 01404B 2 Rubber Leg DB67 01533A 4 Outdoor unit case ...

Page 11: ...n Error occurs display the Error Mode 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 Because the teat mode operate the cool mode by force not related to the set temperature indoor temperature c...

Page 12: ...e error Self diagnosis Gas Leak Error Out door and Fan Error Comp Starting Error IPM Over Current O C Error Comp V_Iimit I_limit Error Heatsink overheat or IPM overheat Note If the set doesn t work No power check the thermal fuse of terminal block OPEN or SHORT with Multimeter Measure the thermal fuse housing PIN 1 2 OPEN disconnection defective product E463 No display about the outdoor condition ...

Page 13: ...Samsung Ele ctr onic s 3 3 3 2 2 Outdoor LED Display Error and Check method Outdoor OLP overtemperature error ...

Page 14: ... battery again 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 ...

Page 15: ...peatedly to 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 sel...

Page 16: ...n SEG14 Press 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 A...

Page 17: ...tton 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 option SEG19 Press the button the display panel to Press the button repeatedly to select Setting option SEG20 Press the button the display panel to Press the button repeatedly to select ...

Page 18: ...en Operation lamp flashes plug the power plug again and press power button to run 2 Check whether you set correct option code per model when air conditioner does not run or operation lamp flashes Proceed Step 2 4 to setting option 2 and option 3 3 8 Samsung Electronics Option code Model Option code AR18NSPXBWK EU 011C45 15EA1C 27323C 3727C4 AR24NSPXBWK EU 011C45 16EA4A 27414A 3714C4 AR18NSWXBWK EU...

Page 19: ...assembly Necessary Tools k r a m e R m e t I SCREWDRIVER MONKEYSPANNER SCREWDRIVER Q ty 1 ea To assembly and disassembly the screw Q ty 1 ea To assembly and disassembly the Fan motor and Compressor Q ty 1 ea To assembly and disassembly the screw ...

Page 20: ...supply 2 Detach FILTER PRE from the PANEL FRONT 3 Cover Panel is assembled on bottom of indoorunit as shown in the figure Remove the Cap Screw as shown on the right side and then remove the screw and separate the Cover Panel 4 Cover Panel is fixed to body by Hook in center area and side area Side area F03 F04 F05 Center area Side area HOOK ...

Page 21: ...Parts Procedure Remark 5 Separate the hook after pushing both end of Cover Panel as shown in the figure Watch out for the damage of the hook 6 Raise front part upward obliquely as shown in the figure and then remove the hooks ...

Page 22: ...e Remark Caution Assembly of Cover Panel after service end Reassembly is in the reverse order of the removal Piping and drain hose must be careful not to damage and Progress must be done with both hands Hook Side Hook Center Screw Cap Screw ...

Page 23: ...n frame unfasten 2 screws at the bottom use Screw Driver 8 To detach the COVER PANEL from the main frame loosen 4 HOOK Structures When separate the hook Use the screw Driver Screw Driver Insert the hook and then pull the hook as shown on the right side Watch out for the damage of the hook ...

Page 24: ...ELECTRONICS No Parts Procedure Remark 9 Remove the Panel Frame from the Main Frame as shown on the right side 10 Remove the WIFI KIT connector WIFI KIT connector is located of Panel Front For model with WIFI KIT ...

Page 25: ... you separate the connector pull pressing the locking button 13 Loosen the Thermistor wires Display wire and Humidity wire connector Caution When you separate the connector pull pressing the locking button 14 Loosen the ground wire 15 Loosen the remote control PCB wire connector Caution When you separate the connector pull pressing the locking button ...

Page 26: ...16 Take off the CASE CONTROL from the main frame after loosen the remaining connector Caution When you separate the connector pull pressing the locking button 4 TRAY DRAIN 17 To detach TRAY DRAIN from the main frame pull the bottom of the TRAY DRAIN towards you ...

Page 27: ...ark 6 EVAPORATOR 18 Detach the HOLDER PIPE 19 Unfasten the screw at the left side use Screw Driver 20 Unfasten the screw at the right side use Screw Driver 21 To detach Evaporator from the main frame pull the bottom of the Evaporator towards you ...

Page 28: ...ECTRONICS No Parts Procedure Remark 7 FAN MOTOR CROSS FAN 22 Unfasten the screw use Screw Driver 23 Detach the FAN Motor case 24 Unfasten the screw a little use Screw Driver 25 Pull the CROSS FAN to the left side ...

Page 29: ... Lamp from the Back Body as shown on the right side Caution Confirm Seal of backside necessarily after replace of Assy SPI Lamp Seal should be close adhesion to SPI Lamp Measure as shown on the right side since replace If the seal is not close adhesion perfectly Defectiveness can happen ...

Page 30: ...Remark Procedure Parts No 1 COMMON WORK 1 Rh and detach it 2 Loosen each screws and detach the Cabi Top Cover 3 4 RIGHT and detach it Samsung Electronics 4 4 6 Outdoor Unit ...

Page 31: ...Remark Procedure Parts No 1 COMMON WORK 5 and detach it 6 and detach it 7 Remove the 4 Cond Bar from the holder of outdoor unit cabinet 4 3 Samsung Electronics ...

Page 32: ...ureon therightside Turnclockwisebecausethe screwisleft handed UseMonkeySpanner 2 DetachtheFanPropeller 3 Loosen ngscrewstodetachtheMotor UseMonkeySpanner 4 DisconnectthewirebetweenAss yControlOut andMotor 8 Loosen ngboltsanddetachthe BracketMotor 4 4 Samsung Electronics ...

Page 33: ...erightsideandthenremovethescrew 2 DetachseveralconnectorsfromtheAss y ControlOut 3 DetachseveralconnectorsfromthePCBof Ass yControlOut 4 HeatExchanger 1 Releasetherefrigerantat 2 Loosen ngscrewonbothsides 3 Disassemble the pipes in both inlet and outlet withweldingtorch 4 DetachtheHeatExchanger 4 5 Samsung Electronics ...

Page 34: ...ts Procedure Remark 5 Compressor 1 Loosenthe ngnutanddetachthe CompressorLeadWire UseMonkeySpanner 2 LoosentheboltsatthebottomofCompressor likethepictureontherightside UseMonkeySpanner 4 6 Samsung Electronics ...

Page 35: ...CONNECTOR WIRE DC SIGNAL SCREW TAPPING DB92 04101B DB95 05163A DB93 14207A DB93 15445A WiFi DB93 14218A 6002 000630 M3 L8 ASSY CONNECTOR WIRE DC SIGNAL DB93 14208A ASSY CASE ELECTRIC DB90 07972P SMPS PBA 11W DB92 02861B MAIN PBA H STD 4 ASSY THERMISTOR ASSY CONNECTOR WIRE DC SIGNAL Main materials list NAME CODE REMARK ASSY CONNECTOR WIRE DISPLAY DB93 14209A SENSOR HUMIDITY DB32 00241C ASSY CONNECT...

Page 36: ...y 8 CASE CONTROL DB61 06722A 1 EA 9 ASSY SCREW MACHINE DB91 00933A 4 EA Fix PCB heat sink 10 ASSY PCB MAIN DB92 04029D 1 EA RAC MAIN EMC 11 ASSY PCB MAIN DB92 04025C 1 EA PF2_17S _HART I910Z 12 ASSY CONNECTOR WIRE REACTOR DB93 15320A 1 EA 13 ASSY CONNECTOR WIRE COMP DB93 09497E 1 EA BLU HOUSING 14 ASSY CONNECTOR WIRE POWER DB93 16371A 1 EA POWER 15 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 EA SUB an...

Page 37: ...5A TIME LAG Thermoplastic 8 5x8mm 1 PC 3711 005098 CN51 HEADER BOARD TO CABLE BOX 5P 1R 2MM STRAIGHT SN RED 1 PC DB94 06666A ASSY PCB SMD MAIN AR9500M 120 98 N 230V 19V 12V 5V WIND FREE A STD 4 BLDC MOTOR A3050 DB92 04101A 1 PC 0202 001933 SOLDER CREAM SOLDER CREAM LFM 48W TM HP D20 38um 96 5Sn 3Ag 0 5Cu Flux 12 0 32 G 0402 001741 D701 DIODE RECTIFIER S1M 1000V 1A SMA TP 1 PC 0406 001005 TD420 DIO...

Page 38: ...8 R904 R CHIP 10Kohm 5 1 16W TP 1005 1 PC 2007 000157 R902 R CHIP 47Kohm 5 1 16W TP 1005 1 PC 2007 000162 R820 R CHIP 100Kohm 5 1 16W TP 1005 1 PC 2007 000162 R821 R CHIP 100Kohm 5 1 16W TP 1005 1 PC 2007 000171 R831 R CHIP 0ohm 5 1 16W TP 1005 1 PC 2007 000171 R833 R CHIP 0ohm 5 1 16W TP 1005 1 PC 2007 000171 R835 R CHIP 0ohm 5 1 16W TP 1005 1 PC 2007 000171 R837 R CHIP 0ohm 5 1 16W TP 1005 1 PC ...

Page 39: ... PC 2203 005249 C805 C CER CHIP 100nF 10 50V X7R TP 1608 1 PC 2203 005249 C806 C CER CHIP 100nF 10 50V X7R TP 1608 1 PC 2203 005249 C807 C CER CHIP 100nF 10 50V X7R TP 1608 1 PC 2203 006158 C401 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C402 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C403 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C410 C CER CHIP 100nF...

Page 40: ...1mm 3 9x5 4mm 1 PC 0601 003285 LED2 LED ROUND WHT 3 1mm 3 9x5 4mm 1 PC 0601 003285 LED3 LED ROUND WHT 3 1mm 3 9x5 4mm 1 PC DB94 06672A ASSY PCB SMD SUB DISPLAY WIND FREE 64 36 N 5V WIND FREE 88DISPLAY 3LED DB92 04106A 1 PC 0202 001933 SOLDER CREAM SOLDER CREAM LFM 48W TM HP D20 38um 96 5Sn 3Ag 0 5Cu Flux 12 0 5 G 0403 000258 ZD01 DIODE ZENER BZX84C5V6 5 2 6V 225mW SOT 23 TP 5 6V 1 PC 0501 000465 Q...

Page 41: ...S INV OUTDOOR MAIN 17 S INV 284 194 220 12 MAIN DB92 04029B 1 PC 0202 001933 SOLDER CREAM SOLDER CREAM LFM 48W TM HP D20 38um 96 5Sn 3Ag 0 5Cu Flux 12 1 G 0406 001204 TD301 DIODE TVS SMBJ5 0CA 6 4 7 25V 600W SMB 1 PC 0406 001204 TD302 DIODE TVS SMBJ5 0CA 6 4 7 25V 600W SMB 1 PC 0406 001204 TD303 DIODE TVS SMBJ5 0CA 6 4 7 25V 600W SMB 1 PC 0506 000175 IC701 TR ARRAY 2003 NPN 7 1000mW SOP 16 ST 1000...

Page 42: ... TP 1608 1 PC 2007 000869 R802 R CHIP 4 7Kohm 1 1 10W TP 1608 1 PC 2007 000869 R803 R CHIP 4 7Kohm 1 1 10W TP 1608 1 PC 2007 001433 R225 R CHIP 12Kohm 1 1 10W TP 1608 1 PC 2007 007306 R224 R CHIP 100ohm 1 1 16W TP 1005 1 PC 2007 007306 R231 R CHIP 100ohm 1 1 16W TP 1005 1 PC 2007 007306 R232 R CHIP 100ohm 1 1 16W TP 1005 1 PC 2007 007306 R233 R CHIP 100ohm 1 1 16W TP 1005 1 PC 2007 007306 R234 R C...

Page 43: ...X7R TP 1005 T0 5 1 PC 2203 006158 C216 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C218 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C248 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C304 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C305 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC 2203 006158 C306 C CER CHIP 100nF 10 16V X7R TP 1005 T0 5 1 PC ...

Page 44: ...2 2 2 2 3 3 4 5 5 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 3 4 5 4 3 2 4 3 2 4 5 4 4 6 11 12 13 5 4 7 6 8 10 9 10 4 5 5 4 7 6 8 14 9 4 5 3 3 2 4 11 9 10 8 7 6 5 4 11 9 10 8 7 6 5 4 5 6 4 5 4 5 6 4 5 4 5 3 2 1 1 2 BLU RED SKY BRN CN04 BLK CN03 WHT CN05 WHT DISPLAY CN02 WHT CN01 WHT CN01 WHT CN01 WHT SMPS MODULE FP01 T2A 250V OPTION PBA 1 L 2 N F1 F2 CODE NO DB68 04014A INDOOR UNIT 1 2 3 4 5 NOTE THERM...

Page 45: ...7 2 SAMSUNG ELECTRONICS 7 2 Outdoor Unit DB68 06674A DB68 06674A 00 AR18NSPXBWKXEU ...

Page 46: ...Samsung Electronics 7 3 This document con not be used without Samsung s authorization Outdoor Unit AR24NSPXBWKXEU DB68 06675A DB68 06675A 00 ...

Page 47: ...OR signal 6 FEEDBACK signal 10 12VDC 10 NULL 2 O3 11 COM2_PCTRL_MICOM 11 NULL 3 O4 7 ERROR_CHK 7 Vout 8 5VDC 8 SPI LAMP CN61 STEP UP DOWN 9 GND 9 REMOCON_SIGN_OUT 1 12VDC 1 12VDC 1 RX 2 04 2 TX 12 COM2_VCHECK_A 4 O5 13 COM2_VCHECK_B 5 O6 14 COM2_MICOM_AD CN63 STEP MOTOR 1 CN21 485 COMMUNICATION 5 01 CN31 DOWNLOAD 2 MAIN_TX WiFi_RX 1 RXD1 3 WiFi_RESET 3 03 4 02 4 J TAG_TDO 5 J TAG_TCK 6 J TAG_TDI C...

Page 48: ..._SO_MICO 5 12V 2 TXD 6 EEP_SO_MICO 6 POWER_SAVE 7 TMS 2 SGND 1 O4 3 BOOT 7 EEP_CLK 7 4WAY 4 TDO 8 NULL 5 TCK CN251 SENSOR 6 TDI 1 OUT_TH CN701 8 TRACKCLK 3 DIS_TH 2 O3 9 SGND 4 SGND 3 O2 14 Trace3 1 12V 10 5v 5 COND_TH 4 O1 11 NULL 6 SGND 5 COM 12 NULL 7 OLP_TH 13 NULL 8 SGND CN291 SENSOR 15 NULL 2 SGND 16 NULL 3 HEATER_L 17 SGND 2 DRED2 4 HEATER_R 18 Trace2 3 DRED3 19 Trace1 4 SGND 20 Trace0 CN27...

Page 49: ...4 SGND 5 12V_1 6 POWER_SAVE 7 4WAY 8 HOT_GAS 2 V 3 U CNP003 WIRE EARTH CNP351 COMM CNP401 WIRE COMP 1 GND 1 W 2 GND Outdoor PCB Inverter DB92 04025C CN051 WIRE REACTOR CN052 WIRE REACTOR CN002 WIRE POWER INPUT 1 PR 1 L 1 POWER INPUT CN351 CNP003 CNP002 CNP401 CNP051 CNP052 ...

Page 50: ...LAY PCB DB92 04106A 1 DIN DOUT 1 GND 1 DIN DOUT 2 CLK 2 Vout 2 CLK 3 STB 3 5VDC 3 STB 4 IRQ 4 IRQ 4 SWITCH INPUT 5 GND 5 GND 6 5VDC 7 Vout 8 PWM_LED 9 TEST_RX 10 TEST_TX 11 MODE0 Display PCB DB92 04106A CN02 CN04 CN01 CN02 CN01 CN04 ...

Page 51: ...Samsung Electronics 8 5 CN61 CN62 CN63 CN71 POWER IN CN32 FJM NASA CN76 SMPS DC OUT SMPS DC OUT SUB PCB RECEIVE DB92 02874A CN01 CN01 RECEIVE 1 GND 2 Vout 3 Vcc 4 S W 8 ...

Page 52: ...cting wire Is inverted Terminalhasbeencut 2 There shall be no empty space between Ring terminal and Screw after Clamp If not there exists a possibility ich can be caused by electric heat in the connecting part Good Bad Ring terminal is connected reversely Bad Not clamped Screw Bad In the gap between Ring terminal Screw Bad Unused Ring Terminal ...

Page 53: ...mperature sensor 06 WI FI module 07 Wind free panel 08 Display 09 Powerbutton Remote control receiver 10 Inside Virus docto The actual product may differ slightly from the image depicted below 10 01 04 02 03 01 Temperature indicator Filterreset indicator Electricity consumption indicator Forthe multi system usage time indicator Auto clean indicator Defrost indicator 02 Wi Fi indicator 03 Virus doc...

Page 54: ...8 Virus doctorindicator 09 Wind free indicator 10 Vertical airswing indicator 11 Horizontal airswing indicator 12 Powerbutton 13 Temperature button 14 Timerbutton 15 Fan speed button 16 Direction button Selection button 17 Vertical airswing button 18 Mode button 19 Virus doctor Wind free button 20 Horizontal airswing button 21 Options Clean button 22 SETbutton 01 05 06 07 17 18 19 21 22 02 03 04 1...

Page 55: ...justed 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 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...

Page 56: ...and outdoor unit connected correctly 2 Isn t the power cable and communication cable cross 2 Troubleshooting procedure YES ExchangetheoutdoorunitPBA ExchangetheindoorunitPBA NO NO NO NO ExchangethePBAofnopowerunit Terminatetheservice Terminatetheservice Correct thewrongcable YES YES Isthecommunicationerroroccurredagain Is theconnectionofpowercableand communicationcablenormal YES Restartafterpowero...

Page 57: ...sensorresistancevalue 10kohm 3 attheroomtemperature of25 C YES DetachtheassembledsensorfromthePBAsensor connectorandmeasurethesensorresistancewith ohmmeter tester Istheconnectionofpowercable andcommunicationcablenormal Ass ySensorReplace Sensorresistancevalue 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm ConnectthesensortoPBAconnector 6piin supplypowerandmeasurethevoltageof 1 2in thecon...

Page 58: ...ocedure NO YES PoweroffandSeparatetheFanmotorwire fromCN72onIndoorPBA ExchangetheFan motor YES YES NO YES YES Doesthefanrotate Isthefanerrorappearedagain Isthereshortamong eachpin 1 6 IsthevoltageofCN72 1 3over250Vdc IsthevoltageofCN72 3 5and 3 6within1Vdc 15Vdcduring theoperation Restartafterpoweroff Reassemblethefanwireandinputthepoweragain PBAproblemorMotorproblem ChangethePBAfirstandchecktheop...

Page 59: ...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 B 10kohm 3 attheroomtemperature of 25 Isthe sensor connector A connected correctly in accordance with a color YES YES Is the connection of power cable and communication cable normal Sensor Replace Sensor resistance value 20 12 09kohm...

Page 60: ...sistance 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 B 10kohm 3 attheroomtemperature of 25 Isthe sensor connector A connected correctly in accordance with a color YES YES Is the connection of power cable and communication cable normal Sensor Replace Sensor resistance value 20 ...

Page 61: ...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 B 200kohm 3 attheroomtemperature of 25 Isthe sensor connector A connected correctly in accordance with a color YES YES Is the connection of power cable and communication cable normal Sensor Replace Sensor resistance...

Page 62: ... Outdoor display Operation condition secession LED ON LED BLINKING LED OFF 1 Checklist 1 Check the temperature around the outdoor unit 2 Troubleshooting procedure Restartafterpoweroff Thetemperatureconditionistoopoortooperate Waituntiltemperatureischanged Istheoperationconditionsecession errorappearedagain Heatingmode Istheoutdoortemperatureover40 or under 30 Coolingmode Istheoutdoortemperatureund...

Page 63: ...n 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 changing outdoor PBA 2 Troubleshooting procedure power offand download EEPROM data or Insertthe serviceEEPROM IC Exchange the Outdoor PBA Restartafter poweroff Is the error appeared again NO Terminate the service YES MODEL A DB92 02866A ...

Page 64: ...he surrounding of motor and propeller 2 Troubleshooting procedure NO YES Power and Separatethe Fan motor wire from A on Outdoor PBA Exchange the Fan motor YES YES NO YES YES Does the fan rotate Is the fan error appeared again Is there short among each pin 1 6 Isthevoltageof A 1 3 over250Vdc Is the voltageof A 3 5 and 3 6 with in 1Vdc 15Vdc during the operation Restart after power Reassemble the fa...

Page 65: ... wire is connected clockwise U RED V BLU W YEL 3 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restart after power Download the EEPROM data Exchange the compressor Is the restart error occurred again Is the connection of compressor wire is normal Is the restart error occurred again Is the compressor body and interphase resistance insulated NO NO NO NO Terminate the ...

Page 66: ...nection 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 Restartafterpoweroff Exchangethecompressor Istherestarterroroccurredagain Isthe connectionof compressorwireisnormal PBAandCompressor Istherestarterroroccurredagain Isthecompressorbodyand interphaseresistanceinsulated N...

Page 67: ...nt 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 MODEL A B C DB92 02866A R426 R425 IC451 DB92 02867A R063 R064 R065 IC451 Restart after power Exchange the Outdoor PBA Is the PFC shunt and IPM shunt resistance value correct Is the current sensor error...

Page 68: ...ing 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 procedure Restartafterpoweroff IstheO Cerroroccurred Isthe connectionofcompressorwireisnormal IstheO Cerroroccurredagain Istheconditionofindoor outdoortemperature normalload NO NO NO NO Terminatetheservic...

Page 69: ...ics 10 15 Exchangethecompressor Isthepositionof temperaturesensorandsensing valuenormal Isthecompressorbody andinterphaseresistance insulated NO NO Correctthesensorpositionor exchangethesensor ExchangetheOutdoorPBA YES ...

Page 70: ...n PBA CN150 normal 6 Is the voltage of SMPS DC in Main PBA CN151 CN152 normal 2 Troubleshooting procedure Unplug the power cord Restart after power off Check SMPS wire connection Isthe power cable from terminal block to PBA is correct L CN002 N CN001 EARTH CN003 Is the power normal Check the fuse open or not F001 Is AC powerisnormal forSMPS CN150 220Vac 240Vac NO NO NO NO Reconnect the power wire ...

Page 71: ...ed with the connector CN61 CN62 CN63 2 Troubleshooting procedure NO YES ExchangethePBA Normal YES NO NO NO Istheconnectedlouverwire Isthelampblinking YES YES ConnectthewirePBAtolouvermotor Checktheasintheprocedure Nopower Isthevoltagechangeableatthepin 2 5ofCN61 CN62 CN63 louverconnector Doesoperationstartwhenswingbuttonofthe remotecontrolunitpushed Up Downlouvermotorisfaulty Unplugthepowercordand...

Page 72: ...ck again Change electronic typed to a rescent light 4 Put the set in operation and check the voltage of display PBA 5 Replace the display PBA 2 Troubleshooting procedure Exchange thedisplayPBA Havethebatteryinremotecontrol All the lights out NO NO NO Check the connector to normally assemble YES YES YES NO If the connector was normally assemble Insert the battery in remote control Re checktheconnec...

Page 73: ... low pressure valve open perfectly Among compressor operation does cold air come out from the indoor unit Connect the manifold gauge to the service port of low pressure side service valve and then measure the refrigerant pressure Does measurement pressure include in 10 extent of reference pressure Execute the related trouble shooting Discharge temperature and the indoor Fill up perfectly refrigera...

Page 74: ...ter 10min 1Hr YES NO Restart after power oﬀ NO YES Is the OLP over temperature sensor error appeared again Check the OLP Sensor postion on the Compressor Top Terminate the service NO Is the OLP over temperature sensor error appeared again YES Check the service valve is closed Check the compressor locking or gas leak Terminate the service Is the OLP over temperature sensor error appeared again YES ...

Page 75: ... HEAT EXCHANGER SENSOR H V BLADE CONTROL INDOOR FAN MOTOR CONTROL OUTDOOR COMMUNICATION TEMPERATURE CONTROL HUMIDITY CONTROL TIMER BUZZER CONTROL WIFI MODEM COMMUNICATION DISPLAY CONTROL SPI OSCILLATION CIRCUIT CONTROLLER IC MCU HUMIDITY SENSOR STEPPING MOTOR CONTROL SIGNAL SPI CONTROL SIGNAL BUZZZER CONTROL SIGNAL STEPPING MOTOR DRIVE SPI DRIVE BUZZER DRIVE ZERO VOLTAGE DETECT PWM CONTROL SIGNAL ...

Page 76: ...PS PBA Inverter PBA Sensor Comm In out POWER Filter Converter PFC ZCP OVP DC LINK Download 4Way V V EEV Reactor Compressor DRED FAN LED Comm Main Inv SMPS Main Micom Current Sensing SMPS Communi cation Inverter Micom Inverter Fan Control Download ...

Page 77: ...ontrol circuit 4way circuit communication circuit OPTION EEV control circuit temperature sensing circuit 11 2 3 Indoor detailed 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...

Page 78: ... cable Wiring 2 Is the C006 voltage 200Vac 240Vac Fuse open L N F1 F2 wire wrong wiring Terminal Block PBA 2 Is the CN150 voltage 200Vac 240Vac Power circuit is faulty Load short 4 Is the PFC050 26 27 voltage 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 af...

Page 79: ...C 32 C Outdoor Temp Variation 5 C 45 C 12 2 Pressure Capacity mark Power Heat 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 3...

Page 80: ...sired temperature lower Leakage Q It floods the floor A Place the drain hose properly When it is not placed properly the drain water would flow back flooding the floor So straighten out the drain hose for the water to be drained well Q Water drips at the drain connection service valve of the outdoor unit A When a glass bottle is taken out of the refrigerator moisture gets condensed on its surface ...

Page 81: ...r is turned on it sends out bad smells such as stale smells A It occurs 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 resulting in the circulation of the smells So find and root out the problem or refresh the room frequently Q It sends out bad smells A When the air filter is filthy it could se...

Page 82: ... angle iron case with the outdoor unit in it outside 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 commercial building A The following is an excerpt from building code going into effect from JUNE 1 st 2005 The exhaust pipe of a cooling or ventilation facility installed i...

Page 83: ...t a grip on the ter and slightly push it up to release the hooks from the bottom side Then pull it down to remove the ter from the main body Washable foam based air ter captures large particles from the air The ter is cleaned with a vacuum or by hand washing Remove the air filter from themain body Insert the air filter back in its original position Dry the Air filter in a ventilated area Clean the...

Page 84: ...ace pipe expansion may continue until the pipe surface becomes uneven or torn apart Be sure to use a torque wrench to tighten pipes or flare nuts Leak Test 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 Drain Hose Connecting Install the drain hose downward to drain water naturally Be sure to pour water into t...

Page 85: ...essure side of manifold gauge to the packed valve having a service port 3 8 Packed valve as shown at the figure 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 ...

Page 86: ...ign material entering 4 Turn the 3 way valve clockwise to close 1 Remove the caps from the 3 way valve and the 3 way valve 2 Turn the 3 way valve clockwise to close and connect a pressure gauge low pressure side to the service valve and open the 3 way valve again 3 Set the unit to cool operation mode Check if the compressor is operating 5 When the pressure gauge indicates 0 turn the 3 way valve cl...

Page 87: ...Export 1st MODEL A Export 2nd B Export 3rd MODEL C Export 4th MODEL D Export 12thMODEL L 9TH DIGIT Division Series Project Color Name Division component Sinkeolreo code 10TH 11TH Remark F Best Twilight Grille WK F Best TBD Grille TBD D Better Twilight Grille WK D Better TBD Grille TBD S Good1 Twilight Grille WK Deco Transparency S Good1 Midnight Blue Deco UR Grille Twilight N Good2 Twilight Grille...

Page 88: ... Ltd November 2017 Code No AC 00045K_1 GSPN GLOBAL SERVICE PARTNER NETWORK Web Site Area North America http gspn3 samsungcsportal com Latin America http gspn3 samsungcsportal com CIS a c i r f A t s a e e l d d i M http gspn1 samsungcsportal com Europe China Asia http gspn1 samsungcsportal com http gspn1 samsungcsportal com http china samsungportal com http gspn2 samsungcsportal com ...

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Summary of Contents for AR18NSPXBWKNEU

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Samsung AR18NSPXBWKNEU, Service Manual, Page: 27 / 88

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