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Samsung AQV09NSB, Service Manual, Page: 17 / 92

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Samsung AQV09NSB Service Manual Download Page 17

Operating Instructions and Installation

Samsung Electronics

Alignment and Adjustments



OPTION ITEMS

3-6

REMOCON

MODEL

SEG1

SEG2

SEG3

SEG4

SEG5

SEG6

SEG7

SEG8

SEG9

SEG10 SEG11 SEG12

AQV09NSAN

AQV09FCN

0

8

4

7

7

7

1

7

5

2

4

E

AQV12NSAN

AQV12FCN

0

9

4

7

7

7

1

7

5

2

4

E

All manuals and user guides at all-guides.com

Summary of Contents for AQV09NSB

Page 1: ...12NSBX High Energy Efficiency BLDC Air Conditioner Simple Flat Grille Design good sleep Mode good sleep Mode can help you sleep quickly and soundly and wake up refreshed Multi Functional Cleaning System Silver Nano Health System and Deodorizing Catechin Filter are adopted Silence Mode When you use the Silence Mode you can experience extremely quiet operation of your air conditioner AQV09FCX AQV12F...

Page 2: ...pecifications 2 5 13 Alignment and Adjustments 3 1 3 1 Test Mode 3 1 3 2 Indoor Display Error and Check Method 3 2 3 3 Outdoor LED Error Display and Check Method 3 3 3 4 Setting Option Setup Method 3 4 14 Disassembly and Reassembly 4 1 4 1 Indoor Unit 4 2 4 2 Outdoor Unit 4 5 15 Exploded Views and Parts List 5 1 5 1 Indoor Unit 5 1 5 2 Outdoor Unit 5 3 5 3 Ass y Control In 5 5 5 4 Ass y Control Ou...

Page 3: ... 12 Troubleshooting 12 1 12 1 Items to be checked first 12 1 12 2 Fault Diagnosis by Symptom 12 2 12 3 PCB Inspection Method 12 20 12 4 Main Part Inspection Method 12 22 13 Block Diagram 13 1 13 1 Indoor Unit 13 1 13 2 Outdoor Unit 13 3 14 Reference Sheet 14 1 14 1 Index for Model Name 14 1 14 2 Low Refrigerant Pressure Distribution 14 2 14 3 Pressure Capacity mark 14 3 14 4 Q A for Non trouble 14...

Page 4: ...ard 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 from 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 after you complete the installation 1 3 During...

Page 5: ...t 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 standard for safety C...

Page 6: ...style the high impressive interior design allow this product to set place in anywhere good sleep Mode good sleep Mode can help you sleep quickly and soundly and wake up refreshed Multi functional cleaning system With Silver Nano Health System and Deodorizing Catechin Filters makes your room more refreshed Silence Mode When you use the Silence Mode you can experience extremely quiet operation of yo...

Page 7: ...m 2 2 Number of Core Wire 3 3 Capacity A 10 10 Size Outer Dimension W x H x D mm 825x285x189 720x548x265 825x285x189 720x548x265 Weight Net kg 7 8 31 5 9 4 31 5 Refrigerant Pipe Liquid mm x L m Φ6 35 x 5 Φ6 35 x 5 Gas mm x L m Φ9 52 x 5 Φ9 52 x 5 Drain Hose D x L mm Φ18 x 550 Φ18 x 550 Compressor Type Rotary G4C090LUDER Rotary G4C090LUDER Motor Type Hermetic Hermetic Rated Output 853W 853W Oil Typ...

Page 8: ...Nano Evaporator Catechin Filter Deodorizing Fiter Indoor Display Three Color LED Display Three Color LED Display Item Development Model Comparative Model AQV12NSAN AQV12FCN AQV12FAN Design Indoor Unit Outdoor Unit Net Weight Indoor Unit 9 4kg 8 4kg Outdoor Unit 31 5kg 31 5kg Outer Dimension WidthxHeightxDepth Indoor Unit 825 x 285 x 189 mm 825 x 285 x 189 mm Outdoor Unit 720 x 548 x 265 mm 720 x 5...

Page 9: ...tore d aria per ambienti ad unitˆ Separate Aparelho de ar condicionado tipo Split Climatiseur de type sŽparŽ Geteilte raumklimaanlage User s Manual DB98 28490A 1 OWNER S INSTRUCTIONS MANUAL DE INSTRUCCIONES ISTRUZIONI PER L USO MANUAL DE INSTRU ÍES MANUEL D UTILISATION GEBRAUCHSANWEISUNG Splut type Room Air Conditioner Aire acondicionado domŽstico sistema Split Condizionatore d aria per ambienti a...

Page 10: ...tralia 1 Outdoor Unit Drain Plug DB67 20011A 1 Rubber Leg DB73 00182A 4 Assembly Pipe ø6 35mm DB96 10453B 1 Accessory Box Assembly Pipe ø9 52mm DB96 10453F 1 PE T3 Foam Tube Insulation DB72 50165A 1 Vinyl Tape Width 50mm DB72 00459A 1 Drain Plug DB67 20011A 1 All manuals and user guides at all guides com ...

Page 11: ...m Descriptions Code No Q TY Remark Rubber Leg DB73 00182A 4 Accessory Box Pipe Clamps A DB39 20224A 3 Pipe Clamps B DB39 20224B 3 Cement Nail 6 M4x16 Tapping Screws 6002 000215 10 Drain Hose length 2m DB62 00487A 1 Putty 100g DB98 10568A 1 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ...ror 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 High on off switch Because the Test Mode operate the cool mode by force not related to the set temperature indoor temperature check whether eac...

Page 13: ...ensor error open or short 3 2P Indoor unit heat exchanger temperature sensor error open or short 3 3P Indoor fan motor malfunction 3 4P EEPROM error Option Setting Option error option wasn t set up or option data error Option Setting Outdoor unit error Remote Control on off Outdoor Unit Power Reset Samsung Electronics All manuals and user guides at all guides com ...

Page 14: ... 10 Discharge temperature sensor error 11 Current sensor error 12 Compressor limit error 13 Coil temperature sensor error 14 1min Time out Communication 15 Fan error 16 OTP error 17 Compressor rotation error 18 Operation condition secession Dual only 19 DC Link voltage sensor error 20 I_Trip error PFC Over current 21 GAS Leak error 22 AC Line Zero Cross Signal out 23 Power ON reset 1sec 24 Capacit...

Page 15: ...et the display panel to Every time you push the button the display panel reads repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Push the button to set the display panel to Every time you push the button the display panel reads repeatedly Push the button to set the display panel to Every time you push the button the display pan...

Page 16: ...t The display part shows Press the Mode Selection key to set the display part to and check the display part The display part shows Step 4 Pressing the ON OFF button When pressing the operation ON OFF key with the direction of remote control for unit the sound Ding or Diriring is heard and the OPERATION ICON lamp of the display is flickering at the same time then the input of option is completed If...

Page 17: ...nics Alignment and Adjustments OPTION ITEMS 3 6 REMOCON MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 AQV09NSAN AQV09FCN 0 8 4 7 7 7 1 7 5 2 4 E AQV12NSAN AQV12FCN 0 9 4 7 7 7 1 7 5 2 4 E All manuals and user guides at all guides com ...

Page 18: ...Samsung Electronics 4 1 4 Disassembly and Reassembly NecessaryTools Item Remark SCREW DRIVER MONKEY SPANNER All manuals and user guides at all guides com ...

Page 19: ...the Front Grille by pulling right and left sides of the hook 3 Loosen 1 of the right screw CCW and detach the Terminal Cover Use Screw Driver 4 Detach the thermistor from the Front Grille 5 Loosen 2 fixing screws CCW of Front Grille 6 Unlock 3 hooks to fix Panel Front and Tray Drain Use Screw Driver 4 2 All manuals and user guides at all guides com ...

Page 20: ...e connector of PCB upper side out Inclusion Power Cord 2 Detach the outdoor unit connection wire from the Terminal Block 3 Loosen 4 fixing screws CCW of Ass y Control In Use Screw Driver You can disassembly Ass y Control In without evaporator disassembled 3 Tray Drain 1 Pull Tray Drain out from the Back Body 4 3 All manuals and user guides at all guides com ...

Page 21: ...and left side Use Screw Driver 5 Lifting the Heat Exchanger up a little to push the up side for separation from the indoor unit First check Comp Down and then disconnect the connection pipes before you disassemble the Evaporator from indoor unit 5 Fan Motor Cross Fan 1 Loosen the fixing screw CCW Use Screw Driver 2 Detach the Fan Motor from the Fan 3 Detach the Fan From the left Holder Bearing 4 4...

Page 22: ... both right and left Cabinet Side edges and a fixing screw on the Cabinet Front lower to detach the Cabinet Front Use Screw Driver 3 Detach the Cabinet Front like the picture on the right side 4 Loosen 1 screw CCW fixed to assemble Plate Control Out with Cabinet Side RH Use Screw Driver 4 2 Outdoor Unit 4 5 All manuals and user guides at all guides com ...

Page 23: ...oosen 2 fixing screws CCW on the rear side of Cabinet Side RH Use Screw Driver 6 Loosen 3 screws CCW fixed to assemble Bracket Valve with Cabinet Side RH Use Screw Driver 7 Loosen 2 fixing screws CCW of Cabinet Side LF Use Screw Driver All manuals and user guides at all guides com ...

Page 24: ...ut 1 Detach the Motor Wire from the PCB of Ass y Control Out 2 Detach several connectors from the PCB of Ass y Control Out 3 Detach 2 Connect Wires from Reactor 4 Loosen 1 screw CCW fixed to assemble Ass y Control Out with Partition Use Screw Driver All manuals and user guides at all guides com ...

Page 25: ... Condenser be sure that there should be no refrigerant remained in the unit 5 Ass y Valve 4 Way Ass y Valve EEV 1 Loosen 4 bolts CCW fixed to assemble Valve Service with Bracket Valve like the picture on the right side Use Monkey Spanner 2 Disassemble the pipes assembled the suction and discharge sides of the Compressor with welding torch 6 Compressor 1 Loosen the Nut CCW of Terminal Cover Use Mon...

Page 26: ...MEMO Samsung Electronics 4 9 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 27: ...Samsung Electronics 5 1 5 Exploded Views and Parts List 5 1 Indoor Unit All manuals and user guides at all guides com ...

Page 28: ... ASS Y TRAY DRAIN ASS Y 1 1 SA 3 1 DB63 00848A TRAY DRAIN ABS 1 1 SNA 3 2 DB61 01635C BLADE H HIPS 1 1 SA 3 3 DB61 01636A BLADE V PP 1 1 SA 3 4 DB63 00849A TRAY STABILIZER ABS 1 1 SNA 3 5 DB69 00839A CUSHION EPS TRAY RH EPS 3 3 SA 3 6 DB73 00180A RUBBER CAP DRAIN GUM EPM 3 3 SNA 3 7 DB31 00371A ASS Y MOTOR STEPPING 220 240V 50 60Hz Class E 1 1 SA 3 8 DB94 00458B ASS Y DRAIN HOSE ASS Y 1 1 SA 4 DB9...

Page 29: ...Samsung Electronics 5 2 Outdoor Unit 5 3 All manuals and user guides at all guides com ...

Page 30: ...3 SNA 17 2 DB60 30028A SCREW HEX M8 3 3 SNA 17 3 DB60 30004A SCREW MACHINE M5 1 1 SNA 17 4 DB63 00816A COVER TERMINAL PBT G F 15 1 1 SNA 17 5 DB63 00817A GASKET EPDM 1 1 SNA 18 DB63 01647A FELT COMP SIDE FELT PVC Sheet 1 1 SA 19 DB63 01950A FELT COMP BASE FELT PVC Sheet 1 1 SA DB63 01710A FELT COMP UPPER FELT PVC Sheet 1 1 SA DB63 01948A FELT COMP SIDE OUT FELT PVC Sheet 1 1 SA DB63 01949A FELT CO...

Page 31: ... TH M4 L10 ZPC WHT SM20C 3 SNA 9 DB93 04685A SCREW SPECIAL TH M4xL8 SNA 10 DB93 04685A ASS Y CONNECTOR WIRE FORTE1 PJT UL1007 26AWG 1 SNA 11 DB93 04487A ASS Y CONNECTOR WIRE FORTE PJT UL1007 28AWG 1 SNA 12 DB32 00020A THERMISTOR WIRE ASS Y 103AT 20 100 1 SNA 13 DB63 00851A COVER DRAIN SS PJT ABS NO SSEC 1 SNA 14 DB73 00242B RUBBER BAND WW2 P J SILICON RUBBER BLACK SSEC L120xW15xT0 3 1 SNA 15 DB39 ...

Page 32: ...MEMO Samsung Electronics 5 6 All manuals and user guides at all guides com ...

Page 33: ...Samsung Electronics 5 7 5 4 Ass y Control Out AQV09NSAX DB93 05534C AQV12NSAX DB93 05534D All manuals and user guides at all guides com ...

Page 34: ...NG M4 2S L10 2 2 SNA 8 DB93 04264A ASSY PCB EMI FORTE VIACE 12K 9K 1 1 SNA 9 DB61 02250A CASE CONTROL BASE ABS V0 T2 0 AS12BPBX 1 1 SNA 10 DB70 00547A PLATE CONTROL OUT FORTE 12K 9K 1 1 SNA 11 DB62 02332P SEAL CASE CONTROL KFR 35GW WCI 1 1 SNA 12 2301 001377 C FILM LEAD OTHER 450V 1 1 SNA 13 DB91 00309A SCREW TAPPING M3 20 1 1 SNA 14 DB95 01140B TERMINAL BLOCK INV DAF 3P 1 1 SNA 15 DB61 00250A HOL...

Page 35: ...189 C CER CHIP 100nF 9 SNA C202 C203 C404 2203 000257 C CER CHIP 10nF 3 SNA C102 C201 2203 000192 C CER CHIP 100nF 2 SNA C104 C106 C402 C403 C407 C 501 C801 C901 2203 005249 C CER CHIP 100nF 8 SNA C401 C405 C406 2203 000440 C CER CHIP 1nF 3 SNA BD71 0402 001298 DIODE BRIDGE DF06S 1 SNA ZD11 0403 000252 DIODE ZENER BZX84C3V6 1 SNA ZD13 0403 000466 DIODE ZENER BZX84C4V3 1 SNA ZD12 0403 001285 DIODE ...

Page 36: ...IC DISC 1nF 1 SNA C107 C108 2201 000987 C CERAMIC DISC 2 2nF 2 SNA C109 2201 002193 C CERAMIC DISC 0 082nF 1 SNA XTAL51 2802 001179 RESONATOR CERAMIC 4MHZ 1 SNA XC71 XC72 2301 001220 C FILM LEAD PPF 100nF 2 SNA CR71 2301 001251 C FILM LEAD PPF 1 2uF 1 SNA L101 2702 001118 INDUCTOR RADIAL 5mH 1 SNA FT71 DB27 00017A COIL CHOKE SSU10V 1500S 1 SNA BZ61 3002 001129 BUZZER PIEZO CBE2220BP 1 SNA F701 1 3...

Page 37: ...F 10 2 SNA C701 2401 000058 C AL 220uF 20 100V GP TP 12 5x25 5 SHL 1 SNA C702 2301 000141 C FILM LEAD PEF 10nF 10 630V TP 16x11x7 5mm 5 10nF 1 SNA CN12 DB93 04350B CONNECT WIRE 4P 1 SNA PCB DB41 00677A PCB SUB INDDOR AC CEM3 1 SNA DISPLAY PCB DB93 03117A Location No Code No Description Specification Q TY SA SNA C91 2202 000780 C CERAMIC MLC AXIAL 100nF 80 20 50V Y5V 3 5x19mm 1 SNA C92 2202 000173 ...

Page 38: ...16mm 47K J 1 SNA R418 2006 001013 R CEMENT 0 02ohm 5 7W CA BK 35x9 5x9 5mm 0 02 J 1 SNA R308 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 0 J 1 SNA R419 R420 R421 R422 R423 R 424 R425 2007 000074 R CHIP 100ohm 5 1 10W TP 1608 100 J 7 SNA R505 R506 R508 R553 2007 000076 R CHIP 330ohm 5 1 10W TP 1608 330 J 4 SNA R303 R304 R323 R342 2007 000077 R CHIP 470ohm 5 1 10W TP 1608 470 J 4 SNA R302 2007 000119 R ...

Page 39: ... 47uF 20 50V GP TP 6 3x11 5 47uF 3 SNA C416 C905 2401 002598 C AL 220uF 20 50V GP TP 10x16 5 220uF 1 SNA C122 2401 003541 C AL 10uF 20 450V WT TP 12 5x20mm 5 10uF 1 SNA C104 2401 003736 C AL 22UF 20 50V WT TP 5X11MM 2 22uF 1 SNA XTAL 2802 001198 RESONATOR CERAMIC 10MHZ 0 5 BK 8X3X5 5MM 10MHZ 1 SNA RY501 RY502 3501 001154 RELAY MINIATURE 12Vdc 200mW 3000mA 1FormA 10mS 10m PCJ 112D3MH 501X 2 SNA CN5...

Page 40: ...T WIRE LEAD WIRE EARTH 1 SNA L W AC_L DB39 00961T LEAD WIRE L W AC_L 1 SNA L W AC_N DB39 00961U LEAD WIRE L W AC_N 1 SNA TB L TB N DB39 00998C C W POWER CBF LEAD WIRE POWER 1 SNA PCB DB41 00532A PCB OUTDOOR EMI FR1 1 SNA VA04 VA07 VA08 VA09 1405 000154 VARISTOR TVR14561KORSY GNR14D561KCG 4 SNA C001 C002 C010 C011 2201 000540 C CERAMIC DISC 4 7nF 4 SNA C003 2301 001285 C FILM LEAD PPF 680nF 1 SNA C...

Page 41: ...Samsung Electronics 7 1 7 Wiring Diagram 7 1 Indoor Unit This Document can not be used without Samsung s authorization All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 42: ...This Document can not be used without Samsung s authorization 7 2 Outdoor Unit 7 2 Samsung Electronics All manuals and user guides at all guides com ...

Page 43: ...8 1 Samsung Electronics 8 Schematic Diagram 8 1 Indoor Unit This Document can not be used without Samsung s authorization All manuals and user guides at all guides com ...

Page 44: ...8 2 Outdoor Unit This Document can not be used without Samsung s authorization Samsung Electronics 8 2 All manuals and user guides at all guides com ...

Page 45: ...riptions SMPS INDOOR FAN CONTROL ZERO CROSSING PART INDOOR TEMPERATURE SENSOR BUZZER PART SUB PCB CONNECTOR DISPLAY STEP MOTOR ION Samsung Electronics 9 1 This Document can not be used without Samsung s authorization All manuals and user guides at all guides com ...

Page 46: ...amsung s authorization 9 1 2 Outdoor Unit TEMPERATURE SENSOR EEV BLDC FAN COMMUNICATION PFC SMPS INVERTER Samsung Electronics 9 2 Circuit Descriptions Circuit Descriptions All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 47: ...rator Heat Exchanger Condenser Propeller Fan Cross Fan 2 way valve Capillary tube 3 way valve 4 way valve Gas side Liquid side Compressor Indoor Unit Outdoor Unit Cooling Heating Gas Leak Check Point Check valve Capillary tube T2 T1 All manuals and user guides at all guides com ...

Page 48: ...r Motor RPM Feedback Auto Grill Remocon Module HVPS High voltage Generator Humidity Sensor BLADE H Step Motor Anions Display MPI Indoor Fan Motor 7 8 9 1 2 3 4 5 10 11 6 12 10 PCB Diagram 10 1 Indoor PCB 10 1 1 11 12 8 7 2 3 4 9 10 6 5 All manuals and user guides at all guides com ...

Page 49: ... DIS OUT Temperature Sensor BLDC FAN EEV Connector AC FAN Comp Connector Wire Communication 485 Reactor Connector Wire 6 7 1 2 3 4 5 9 10 9 3 The red number connecter is not used 10 2 Outdoor PCB 5 4 1 10 6 7 8 2 8 10 2 All manuals and user guides at all guides com ...

Page 50: ...ign and shape are subject to change according to the model 11 1 Air filter under the grille Air flow blades outlet Air Inlet Temperature sensor Power On Off button Operation indicator GREEN Timer indicator GREEN Turbo indicator RED Power On Off button All manuals and user guides at all guides com ...

Page 51: ...ectronics 11 1 2 Outdoor Unit Operating Instructions 11 2 Air Outlet ConnectionValve Air Inlet Rear Air Outlet ConnectionValve Air Inlet Rear All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 52: ...button On Off Timer Set Cancel button Fan speed adjustment button Silence mode button Temperature adjustment buttons Temperature setting Good Sleep mode indicator Turbo function indicator Fan speed Silence indicator Air flow direction On Timer indicator Off Timer indicator Battery discharge indicator Good Sleep button Operating mode indicator AUTO COOL DRY FAN HEAT All manuals and user guides at all ...

Page 53: ...the button to select the fan speed until the required setting is displayed Heat Mode Press the button on the remote control until is displayed Press the button to select the fan speed until the required setting is displayed 11 3 1 Basic Function Automatic rotated Low Medium High Maximum Silence mode 11 4 Automatic rotated Low Medium High Maximum Silence mode All manuals and user guides at all guid...

Page 54: ...Explanation Remark Turbo Function Press the button After 30 minutes the air conditioner is reset automatically to the previous mode temperature and fan settings You can select the Turbo function in the Auto Cool and Heat mode If you select this function in the Dry or Fan mode it will return to the Auto mode good sleep Mode Press the button one or more times until is displayed on your remote contro...

Page 55: ...eference 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 of the indoor unit lights ...

Page 56: ...ck the display board operate Press the Power Button on the remote control unit to operate the air conditioner Unplug the power cord and plug it after 30 seconds Check the indoor unit control board does not operate Check whether 2 wires of power cord are connected correctly to the terminal block and control board Check whether the fuse on the control board is normal FUSE F701 T3 15 A 250 V Check th...

Page 57: ...rrect after power input Pull out the power cord and execute the following step after 30 seconds Is the outdoor unit normal Is the outdoor unit normal Is the reactor connected correctly Is the of C102 short Is the R701 resistance of indoor PCB 200Ω Is the indoor unit fuse normal Exchange the fuse Connect the reactor wire Disassemble the PCB from the case Is there no error at the insertion of PCB Ex...

Page 58: ...es Yes Driver IC05 06 ULN2003A is faulty No Micom IC04 is faulty No Normal Yes Check as in the procedure No Power No Is STD lamp blinking Unplug the power cord and plug it after 30 seconds Does operation start when swing button of the remote control unit pushed Voltage at pin 30 34 of micom IC04 change Squarewave Voltage at pin 2 5 of CN61 motor connector change Squarewave Up Down louver motor is ...

Page 59: ...voltage of CN01 1 3 over 250V Follow the Check Procedure of outdoor unit power supply error check FAN DRIVE CIRCUIT Q901 Q902 etc error Exchange the PCB Exchange the PCB MICOM Error Is the Pin voltage of CN01 3 5 within 1V 5V during the operation Does the Pin voltage of IC01 MICOM No 13 change Square Wave Is the Pin voltage of CN01 6 changed during the operation Square Wave Pull out the power cord...

Page 60: ...urrounding of outdoor Outdoor unit cover Fan front obstruction etc 2 Troubleshooting procedure No Exchange the PCB No Exchange the PCB No Exchange the compressor No Reinstall and remove the obstruction Yes Yes Yes Yes Is the installation of outdoor unit good Dose the compressor rotate normally Is the assembly of R418 R413 IC41 C437 and the peripheral part good Pull out the power cord and exchange ...

Page 61: ...he refrigerant Connect the connecter correctly 4 WAY valve coil error Exchange the outdoor PCB No No No Yes No Yes Yes Yes No Yes Yes Yes OK Yes No No No NG No Is the Thermo off Is the unit in the defrosting operation Is the compressor in 3 minutes off Indoor operation SW is on Is much frost in the heat exchanger Does the 4 way valve operate normally Is the outdoor air sensor and outdoor heat exch...

Page 62: ...300V apply to the connector of outdoor fan during the operation of outdoor unit The over shortage of refrigerant Insufficient Capacity Load estimation error Connect the connector Outdoor fan error Check the motor wire Exchange the out PCB EEV coil error Connect the connector Is much frost in the heat exchanger Is much frost in the heat exchanger Outdoor PCB error EEV main body error No No NG No Ye...

Page 63: ...tion pull_up correct 2 Troubleshooting procedure Is the sensor connector connected correctly in accordance with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 18 2K Reconnect the sensor connector Change th...

Page 64: ...e with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 24K Reconnect the sensor connector Change the position of sensor Exchange the sensor Exchange the PCB Exchange the PCB Normal operation Exit Yes Yes Ye...

Page 65: ... with a color Is the temperature sensor connected correctly without separation Does the both terminal of sensor satisfy the resistance value in accordance with temperature Refer to the R T TABLE Is the resistance value of sensor connection pull_up 18 2K Reconnect the sensor connector Change the position of sensor Exchange the sensor Exchange the PCB Exchange the PCB Normal operation Exit Yes Yes Y...

Page 66: ... Is the resistance value of sensor connection pull_up correct 2 Troubleshooting procedure Isn t the Fan locked Is the connector connected correctly Is the color of Fan wire matched correctly Remove the Fan lock Connect the connector Exchange the Fan Exchange the PCB Normal operation Exit Yes Yes Yes No No No No Troubleshooting 12 12 All manuals and user guides at all guides com a l l g u i d e s c...

Page 67: ...fication 3 Are R112 R113 R114 470 Kohm 4 Is R115 14 3Kohm 2 Troubleshooting procedure Is the voltage of indoor unit terminal block 1 2 correct after power supply Is the capacitor C101 C102 C103 for DC Link assembled in accordance the specification Apply the troubleshooting for outdoor unit power supply error Connect the connector Exchange the PCB Normal operation Exit Yes Yes No Is R116 14 3kohm E...

Page 68: ...essor u v v w w u normal Is the compressor body and interphase resistance insulated Is the condition of indoor outdoor temperature normal load Is the position of temperature sensor and the sensing value normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the PCB Exchange the Compressor Exchange the Compressor Restart after ret...

Page 69: ... power off Is the communication error occurred again Isn t the power cable and communication cable error Is it the outdoor 2 Micom Inverter Main model Exchange the outdoor unit PCB Terminate the service Correct the wrong wiring Is the connection of communication cable normal Correct the connection of communication cable Exchange the indoor outdoor unit PCB Yes Yes Yes No No No No Troubleshooting 1...

Page 70: ...he restart error occurred again Is the interphase resistance value of compressor u v v w w u normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the compressor Is the compressor body and interphase resistance insulated Exchange the compressor Correct the cable connection Yes Yes Yes No No No No Troubleshooting 12 16 All manual...

Page 71: ...or occurred again Is the interphase resistance value of compressor u v v w w u normal Is the connection cable for the compressor and power terminal normal Exchange the PCB Terminate the service Exchange the compressor Is the compressor body and interphase resistance insulated Exchange the compressor Correct the cable connection Yes Yes Yes No No No No Troubleshooting 12 17 All manuals and user gui...

Page 72: ...ce Exchange the PCB Exchange the PCB Exchange the PCB Yes Yes Yes No No Yes Terminate the service No Yes Yes Yes Restart after power off Is the DC Link voltage error occurred again Is the front and back terminal voltage of indoor outdoor power relay normal Is the resistance for the detection of DC Link voltage normal Exchange the reactor Is the appearance of DC Link Capacitor normal Is the power v...

Page 73: ...le PCB is normal and the main PCB is poor Then replace the main PCB 3 Replace the assembly display PCB because the module PCB is poor if the voltage between No 15 16 of CN91 maintains 5V after the remote control starts operation 12 2 18 The others 1 AC Line Zero Cross Signal OUT Check the assembly condition of peripheral part of IC21 ZD21 ZD20 and D200 on the PCB 2 Capacity miss match Check again ...

Page 74: ...CB fuse 1 Is the fuse disconnected Over current Indoor Fan Motor Short AC Part Pattern Short of the MAIN PCB 2 Supply power If the operating lamp twinkles at this time the above 1 3 have no relation Checking the power voltage 1 Is the DB71 input voltage AC200V AC240V Power Cord is fault Fuse open Wrong Power Cable Wiring AC Part is faulty 2 Is the voltage between both terminals of the C104 on the ...

Page 75: ...heck after disassembling BLDC FAN Wire Inner short of outdoor PCB Wrong assembly of outdoor PCB BLDC FAN Error 4 Check the condition of indoor outdoor connec tion cable 1 Is the green LED light on once per second 2 Is the indoor outdoor connection able connected in order 3 Is the grounding wire connected to the both of indoor outdoor unit 4 Is the voltage of terminal block N 1 225V Wrong connectio...

Page 76: ... resistance between terminals of the connector CN72 with a tester Normal At the normal temperature 10 C 30 C Abnormal 0Ω Open or Short Stepping Motor Measure the resistance between the red wire and each terminal wire with a tester Normal About 300Ω at the normal temperature 20 C 30 C Abnormal 0Ω Open or Short Compare terminal Resistance Remark Yellow Blue 404 4Ω 10 Yellow Red 340Ω 10 Main Sub 12 2...

Page 77: ... OFF TIMER SELECT CANCEL ENERGY SAVING SELECT SOUND ON OFF SELECT DIGITAL ON OFF TEMPERATURE SELECT UP DOWN ZERO VOLTAGE DETECT TRIGGER SIGNAL SSR STEPPING MOTOR DRIVE BUZZER DRIVE ANION DRIVE COMPRESSOR CONTROL SIGNAL STEPPING MOTOR CONTROL SIGNAL BUZZER MELODY CONTROL SIGNAL ANION CONTROL SIGNAL DC5V DC12V AC INPUT VOLTAGE REGULATOR OPTION MELODY CONTROL PART SPEAKER 13 Block Diagram 13 1 Indoor...

Page 78: ...Samsung Electronics SMPS AC COMMUNICATION SUB PCB INDOOR FAN CONTROL BUZZER CONTROL Block Diagram 13 2 All manuals and user guides at all guides com ...

Page 79: ... SENSOR CONDENSOR TEMPERATURE SENSOR 4 WAY VALVE EEV FAN AC INPUT COMPRESSOR INDOOR UNIT AC ZERO CROSSING SIGNAL COMPRESSOR ZERO CROSSING SIGNAL BLDC FAN PULSE SIGNAL IPM FAULT SIGNAL DC VOLTAGE AC CURRENT FAN CONTROL SIGNAL EEV CONTROL SIGNAL 4 WAY CONTROL SIGNAL PFC CONTROL SIGNAL COMPRESSOR CONTROL 6P BLDC LED CONTROL SIGNAL INDOOR COMMUNICATION SIGNAL PFC CIRCUIT DC5V DC12V DC15V AC300V AC230V...

Page 80: ...Samsung Electronics Block Diagram 13 4 OUTDOOR FAN B D IGBT DIODE IPM SMPS DC_LINK CAP All manuals and user guides at all guides com ...

Page 81: ...utdoor X Use the digit for KD models CKD 1 SKD 2 Product Division AS Cooling Only AQ Heat Pump Capacity 09 9 000 Btu 12 12 000 Btu 18 18 000 Btu 24 24 000 Btu 30 30 000 Btu 36 36 000 Btu Inverter V Inverter None Non Inverter Product classification A Mont Blanc Premium B BIG D Mont Blanc Deluxe F Forte G GP H HB J WW Premium L Forte Deluxe M Moderato N Neo Forte P Presto T Tiffany V Vivace W WW X F...

Page 82: ...ure 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 14 2 Low Refrigerant Pressure Distribution AQV09 AQV12 All manuals and user guides at all guides com ...

Page 83: ... 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 1658 4 6262 0 0018182 0 13826 1 14 3 All manuals and user guides at all guides com ...

Page 84: ...e 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 due to the temperature differences The same principle applie...

Page 85: ...erally 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 send out bad smells So clean the filter and ventilate the room with the windo...

Page 86: ...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 1st 2005 The exhaust pipe of a cooling or ventilation facility installed in a building adjacent to the streets of commer...

Page 87: ...nsert air filters by fixing it to each tab of the grille 5 To close the front grille fix it to hooks and push down the lower right and left tabs of the grille 6 Clean the front grille with a damp cloth and mild detergent do NOT use benzene solvents or other chemicals Note If you have not used the air conditioner for a long period of time set the fan going for three to four hours to dry the inside ...

Page 88: ... 1 Open the upper front grille by pulling the lower right and left tabs of the grille 2 Pull out the deodorizing and Bio filter 3 Wash the filters with clean water then dry them in the shade 4 Insert the filters into the original position Note You can change the position of filters with each other 5 Close the front grille Deodorizing Filter Bio Filter Reference Sheet 14 8 All manuals and user guid...

Page 89: ...n 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 inert 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 the hose to check ...

Page 90: ...ssure side of manifold gauge clockwise Remove the hose of the low pressure side of manifold gauge 7 Check for gas leakage At this time especially check for gas leakage from the 3 way valve s stem nuts and from the service port cap 2 Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port as shown at the figure 5 Set valve cork of both liquid side ...

Page 91: ...r to this procedure when the unit is relocated Carry out the pump down procedure refer to the details of pump down Remove the power cord Disconnect the assembly cable from the indoor and outdoor units Remove the flare nut connecting the indoor unit and the pipe At this time cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering Disconnect ...

Page 92: ...Printed in China Code No DB98 00000A 1 GSPN Global Service Partner Network Area Web Site North America http service samsungportal com Latin America http latin samsungportal com CIS http cis samsungportal com Europe http europe samsungportal com China http china samsungportal com Asia http asia samsungportal com Mideast Africa http mea samsungportal com All manuals and user guides at all guides com...

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