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Samsung SH09BWH, Service Manual

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Samsung SH09BWH Service Manual Download Page 1

INDOOR UNIT

SH09BWHA

SH12BWHA

OUTDOOR UNIT

SH09BWHAX

SH12BWHAX

SERVICE

Manual

CONTENTS

AIR CONDITIONER

1

1. Product Specifications

1

2. Operating Instructions

1

3. Disassembly and Reassembly

1

4. Refrigerating Cycle Diagram

1

5. Set Up the Model Option

1

6. Troubleshooting

1

7. Exploded Views and Parts List

1

8. Block Diagram

1

9. PCB Diagram

10. Wiring Diagram

ROOM AIR CONDITIONER

 DB98_19047A(1)_co  4/21/04 2:26 PM  Page 3

Summary of Contents for SH09BWH

Page 1: ...ENTS AIR CONDITIONER 11 Product Specifications 12 Operating Instructions 13 Disassembly and Reassembly 14 Refrigerating Cycle Diagram 15 Set Up the Model Option 16 Troubleshooting 17 Exploded Views and Parts List 18 Block Diagram 19 PCB Diagram 10 Wiring Diagram ROOM AIR CONDITIONER ...

Page 2: ...HA INDOOR UNIT DB27 C WB19 C OUTDOOR UNIT DB35 C WB24 C INDOOR UNIT DB32 C WB23 C OUTDOOR UNIT DB43 C WB26 C Indoor unit Outdoor unit Wall mounted 2 65 1 40 3 50 3 60 1 40 4 40 1 4 8 5 25 9 5 25 40 53 40 53 3 79 3 83 1 220 240 50 700 315 1 070 940 285 1 240 3 3 1 7 5 0 4 4 1 6 5 4 94 4 97 3 10 250V 15A 825 x 285 x 189 720 x 548 x 265 32 5 x 11 2 x 7 44 28 4 x 21 6 x 10 4 8 4 33 2 ø6 35 x 7 5 ø9 52...

Page 3: ...Samsung Electronics 2 1 2 Pressure Graph SH09BWHA Outdoor Temp C Pressure kgf cm 2 G Indoor Temp C SH12BWHA Outdoor Temp C Pressure kgf cm 2 G Indoor Temp C ...

Page 4: ...tton to stop or run the air conditioner Mode selection button Each time you press this button mode is changed in the following order UP Flap button It adjusts the airflow to upward and downward Temperature adjustment button UP The temperature is increased by the pressing the temperature button Turbo button The air conditioner cools or heats the room as quickly as possible After 30minutes the air c...

Page 5: ...life If one battery life indicator remains replace new batteries On Timer button The On Timer enables you to switch on the air conditioner automatically after a given period of time that is from 1 hour to 24 hours To set the operating time press the button one or more times until the required time display Off Timer button The Off Timer enables you to switch off the air conditioner automatically af...

Page 6: ...room temperature The unit operates in DRY mode Compressor ON OFF time is controlled compulsorily can not set up the fan speed always breeze Protective function Low temperature release Prevention against freeze 5 TURBO MODE This mode is available in AUTO COOL HEAT DRY FAN MODE When this button is pressed at first the air conditioner is operated powerful state for 30 minutes regardless of the settin...

Page 7: ...MER The On Timer enables you to switch on the air conditioner automatically after a given period of time You can set the period of time from 1 hour to 24 hours OFF TIMER The Off Timer enables you to switch off the air conditioner automatically after a given period of time You can set the period of time from 1 hour to 24 hours 11 BUZZER SOUND Whenever the On Off button is pressed or whenever change...

Page 8: ...Replace PCB Model option 2 2 1 Replace PCB model option No Yes Remove power cord Replace the PCB module Check the connection and plug in Refer to set up the Model option 14 17page Replace another PCB Does all display lamp blink ...

Page 9: ...e repairing the unit No Parts Procedure Remark 1 Front Grille 1 Stop the air conditioner operation and block the main power 2 Open the Front Grille by pulling right and left sides of the hook 3 Loosen 1 of the right screw and detach the Terminal Cover 4 Detach the thermistor from the Front Grille 5 Loosen 2 fixing screws of Front Grille ...

Page 10: ...lock 2 hooks to fix Panel Front and Tray Drain 7 Unlock 3 hooks to fix Panel Front and Back Body 1 Take all the 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 of Ass y Control In 1 Pull Tray Drain out from the Back Body ...

Page 11: ...de 2 Detach the Connection Pipe 3 Detach the Holder Pipe at the rear side 4 Loosen the 3 fixing screws of right and left side 5 Lifting the Heat Exchanger up a little to push the up side for separation from the indoor unit 1 Loosen the fixing screw and detach the Motor Holder 2 Detach the Fan Motor from the Fan 3 Detach the Fan From the left Holder Bearing ...

Page 12: ... Loosen each 3 fixing screws on both right and left Cabinet Side edge and a fixing screw on the Cabinet Front lower to detach the Cabinet Front 2 Loosen 1 fixing screws of the Cover Valve 3 Loosen 6 fixing screws of the Cabinet Side RH 4 Loosen 2 fixing screws of the Cabinet Side LF ...

Page 13: ...tor 1 Loosen 2 fixing screws on both sides 2 Disassemble the pipe in both inlet and outlet with welding torch 3 Detach the Heat Exchanger 1 Loosen the Terminal Cover nut to open the Terminal Cover 2 Disassemble the cloth sound felt 3 Disassemble the pipe in both inlet and outlet of the Compressor with welding torch 4 Disassemble the pipe in both inlet and outlet of the Condenser with welding torch...

Page 14: ...cle Diagram Indoor Unit Outdoor Unit T1 T2 2 Way valve EEV 3 Way valve Gas side Heat Exchanger Evaporator Heat Exchanger Evaporator Liquid side Capillary tube 4 Way valve Cooling Heating Gas leak check point Compressor Cross fan Propeller fan ...

Page 15: ...e 3 1 4 2 5 Setting Option SEG1 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 2 Setting Option SEG2 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 4 Setting Option SEG3 Push the button to set the display panel to Every time you push the button the display panel reads repea...

Page 16: ...isplay panel to Every time you push the button the display panel reads repeatedly 9 Change it into the set display of Option SEG7 and SEG8 with the button 11 Setting Option SEG8 Push the button to set the display panel to Every time you push the button the display panel reads repeatedly 13 Setting Option SEG9 Push the button to set the display panel to Every time you push the button the display pa...

Page 17: ... the input of option is completed If the ding sound isn t heard try again pressing the ON OFF button Step 5 Unit operation test run First Remove the battery from the remote control Second Re insert the battery into the remote control Third Press ON OFF key with the direction of remote control for set Error Mode 1st If all lamps of indoor unit are flickering Plug out plug in power plug again and pr...

Page 18: ...17 Samsung Electronics 5 2 Table of the option Code Model Option Code SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SH09BWHA SH12BWHA 0 5 0 0 0 0 1 3 4 0 0 5 0 1 0 0 1 3 5 1 ...

Page 19: ...ediate operation starts without control of remote control when plugged Cause and reason Is the power off or the power unplugged Does it stop because it is the completion time Unplug and plug again the power source for 2 minutes Is the filter clogged with dust or dirty Is there any direct light on the outdoor unit or any obstacle against it Is the selected temperature too high Lower the selected te...

Page 20: ... fan motor malfunction Fan and cable EEPROM error PCB Option error Option code Abnormal communication error Indoor Outdoor unit Outdoor unit temperature sensor error Outdoor temp sensor Temp Sensor Deice temp sensor Temp Sensor OLP temp sensor Temp Sensor Discharge temp sensor Temp Sensor Heatsink temp sensor PCB LAMP OPERATION TIMER TURBO Description Check point INDOOR OUTDOOR PCB Cable between I...

Page 21: ...t Discharge sensor temp trip Discharge sensor error Open Short OLP sensor error Open Short CT sensor error Unit Over Current protection Deice sensor error Open Short OLP sensor temp trip OPTION error EEPROM Compressor rotation error DC fan error SH12BWHX only DC Link voltage sensor error PFC OC error NO GAS error AC Line zero crossing error YELLOW GREEN RED LAMP of Display Monitor Description Lamp...

Page 22: ...xchanger D Turbo lamp flickering Check of indoor unit fan motor E Check the indoor unit control board A Checking the remote control B Check the control board and display board of indoor unit C Check the error mode by confirming the lamp flickering of indoor unit display Check the indoor unit Operation Turbo lamp flickering Check of the outdoor unit temperature sensor Discharge temperature sensor G...

Page 23: ...ether the control board gets wet with dew Step 1 Dry the control board Step 6 Check whether tiny metal objects make a short circuit on the PCB especially between pins of the surface mount IC Step 1 remove the objects Do not use splay solvent or some components may get damage by solvent 6 3 2 B C Display board and remote control check of indoor unit Check whether the connection wire of Display boar...

Page 24: ...r occurs 1 If the cable connecting the indoor unit and outdoor unit is longer than 20m error mode may occur shorten the cable length Check of indoor unit Check whether the connection wire of the terminal block and control board of indoor unit is correct Check of outdoor unit Check whether the connection wire of the terminal block and control board of outdoor unit is correct 2 Check of power supply...

Page 25: ... installed wrong the ambient temperature is higher than 50 C Reinstall the outdoor unit so that the good ventilation can be made If the Refrigerant is overcharged Check the amount of Refrigerant If the comp is locked Replace the comp If the comp is operating without the revolution of fan motor Check the fan motor connector replace the fan motor If the protection cover is operating with bending to ...

Page 26: ...t the revolution of fan motor Check the fan motor connector and replace the fan motor In case the parts of the control board is damaged Replace the outdoor control board 6 3 12 M Check of the comp discharge gas temperature and OLP temperature abnormal rise If the comp discharge gas temperature and OLP temperature rises higher than a certain level it protects the circuit If the comp discharge gas t...

Page 27: ...falling leaves Take away the leaves for the good ventilation If the refrigerant is insufficient Fill up the amount of refrigerant Unit defect If the fan is locked with some object Remove the object If the comp is operating without the revolution of fan motor Take out the protection cover Check the fan motor connector CN54 running capacitor relay RY503 and replace the fan motor 6 3 14 O Check BLDC ...

Page 28: ...oard of outdoor units correct If it is normal replace 4 Way valve 6 3 17 R Check of outdoor unit fan motor SH12BWHX only Check whether the wire of fan motor is connected to the control board CN01 of outdoor unit Check the voltage on the control board of outdoor unit and if it is same as follows replace fan motor Input power AC178V AC264V CN01 1 3pin DC250V 10 DC370V 10 CN01 4 3pin DC15V ...

Page 29: ...Measure the voltage between motor wires with a tester Normal At the normal temperature 10 C 30 C SH09BWHX only AC Motor Abnormal open or short 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 open or short Diagnosis Part Ambient temperature 15 C 20 C 25 C 30 C 35 C 40 C Resistance of 14 68 12 09 10 8 31 ...

Page 30: ...MEMO 29 Samsung Electronics ...

Page 31: ...3 7 3 8 1 1 3 1 4 1 6 4 9 7 2 1 2 5 1 5 4 5 2 5 3 8 1 7 1 8 5 3 3 4 3 6 3 8 1 5 3 1 3 2 3 5 3 3 You can search for the updated part code number through the ITSELF URL http itself sec samsung co kr 7 Exploded Views and Parts List 7 1 Indoor Unit ...

Page 32: ...50A COVER BEARING ABS 2 2 DB60 00118A SPACE EVAP LOW PVC 2 3 DB96 03060A ASS Y EVAP 1 3S 2x14 3 DB94 00457D ASS Y TRAY DRAIN ASS Y 3 1 DB63 00848A TRAY DRAIN ABS 3 2 DB61 01635A BLADE H HIPS 3 3 DB61 01636A BLADE V PP 3 4 DB63 00849A TRAY STABILIZER ABS 3 5 DB69 00839A CUSHION EPS TRAY RH EPS30 3 6 DB73 00180A RUBBER CAP DRAIN GUM EPM 3 7 DB95 20138A ASS Y MOTOR STEPPING PM24 600g 24BYJ48 3 8 DB94...

Page 33: ...Samsung Electronics 32 7 2 Outdoor Unit 3 1 3 2 16 22 10 11 12 13 6 3 17 1 7 19 18 4 5 9 8 25 26 20 21 2 24 23 14 15 ...

Page 34: ...PORT PLATE B M 1 1 11 DB31 00220A MOTOR FAN YDK 020S62213 03 1 DB31 00238A MOTOR FAN SIC 52FV D828 1 1 12 DB67 00397A FAN PROPELLER 1 1 13 DB60 30004A NUT FLANGE 1 1 14 DB63 00763A GROMMET ISOLATOR NR 3 3 15 DB60 30028A NUT WASHER 3 3 16 DB96 03602A ASS Y COND ASS Y 1 1 17 DB93 02740C ASS Y CONTROL OUT SH12BPHX 1 DB93 02740D ASS Y CONTROL OUT SH09BPHX 1 18 DB63 01043A FELT COMP SIDE FELT 1 1 19 G4...

Page 35: ... M3xL22 1 SNA 8 6001 000725 SCREW MACHINE TH M4xL16 3 SNA 9 6001 001054 SCREW MACHINE TH M4xL10 1 SNA 10 DB39 00949A CONNECT WIRE SUB ASS Y 1 11 DB39 00147A C W STEP MOTOR UP DOWN ASS Y 1 12 DB32 00020D ASS Y THERMISTOR 4P 103AT 1 13 DB63 00851A COVER CLAMP HIPS 1 14 DB93 01549C POWER CORD 250V 15A 1 15 DB39 00183A C W MF CAPACITOR 22AWG 1 16 2301 001339 RUN CAPACITOR 1 2µF 450V 1 17 DB39 00148A P...

Page 36: ...MEMO 35 Samsung Electronics ...

Page 37: ...Samsung Electronics 36 7 4 Ass y Control Out SH09BWHX DB93 02740B SH12BWHX DB93 02740A ...

Page 38: ...16 1 1 9 DB39 00607B CONNECTOR WIRE REACTOR UL1015 AWG 16 1 1 10 DB39 01003A CONNECTOR WIRE FAN UL1007 AWG 20 1 11 12 13 DB93 02775A ASS Y L W POWER UL1015 AWG 16 1 1 14 DB39 00649C CONNECTOR WIRE 4 WAY V V UL1015 AWG 18 1 1 15 INSULATOR MICA 1 1 16 DB65 00086A ASS Y TERMINAL BLOCK 3P 3P 1 1 17 DB61 00250A HOLDER WIRE PP 1 1 18 DB70 00465A PLATE CASE CONTROL SGCC MTO 6 1 1 19 6003 000325 SCREW TAP...

Page 39: ... HEAT FAN SPEED SELECT H M L FLAP ON OFF TIMER SELECT ENERGY SAVING BATTERY CHECK TEMPERATURE SELECT ZERO VOLTAGE DETECT BLADE CONTROL INDOOR FAN MOTOR CONTROL COMPRESSOR CONTROL TEMPERATURE CONTROL TIMER BUZZER CONTROL OUTDOOR FAN MOTOR CONTROL 4 WAY VALVE CONTROL TRIGGER SIGNAL SSR COMPRESSOR DRIVE OUTDOOR FAN MOTOR DRIVE STEPPING MOTOR DRIVE BUZZER DRIVE 4 WAY VALVE DRIVE COMPRESSOR CONTROL SIG...

Page 40: ...39 Samsung Electronics 9 PCB Diagram 9 1 Ass y PCB Indoor Unit DB93 02754A TOP ...

Page 41: ...Samsung Electronics 40 PCB Diagram BOTTOM ...

Page 42: ...04 NTR 1 CN44 CONNECTOR HEADER SMAW250 03 BLU 1 CN61 CONNECTOR HEADER SMAW200 05 NTR 1 CN71 CONNECTOR HEADER YW396 03AV BLU 1 CN72 CONNECTOR HEADER YW396 03AV WHT 1 CN73 CONNECTOR HEADER YW396 05AV WHT 1 CN81 CONNECTOR HEADER SMW200 10 NTR 1 CN82 CONNECTOR HEADER SMW200 02 WHT 1 CN91 CONNECTOR HEADER SMAW200 08 NTR 1 D101 DIODE ZENER BZX84C3V6 3 6V 350mW 1 D102 DIODE RECTIFIER UG2D 200V 2A 1 D103 ...

Page 43: ...8 2K F 1 10W 1608 1 R402 R CHIP 6 8K J 1 8W 2012 1 R403 R401 R607 R604 R602 R CHIP 1K J 1 8W 2012 9 R802 R210 R211 R212 R404 R405 R CHIP 330 J 1 8W 2012 2 R407 R406 R CHIP 6 8K F 1 8W 2012 2 R501 R502 R CHIP 120 J 1 8W 2012 2 R609 R608 R101 R CHIP 470 J 1 8W 2012 3 R610 R CHIP 560 J 1 8W 2012 1 R702 R701 R METAL OXIDE 47K J 3W 2 R704 R703 R METAL OXIDE 4 7K J 2W 2 R706 R CHIP 100K J 1 8W 2012 1 R7...

Page 44: ...43 Samsung Electronics 9 2 Ass y PCB Outdoor Unit DB93 02741B 9K DB93 02741A 12K TOP ...

Page 45: ...305 C306 C302 C307 C CER CHIP 10nF 50V 1608 5 C653 C CERAMIC 10nF 25V 1 C702 C AL 100uF 16V 1 C902 C AL 10uF 50V 1 CN01 CONNECTOR HEADER YAW396 07V WHT 1 CN04 CONNECTOR HEADER YAW396 03AV BLU 1 CN52 CN51 CONNECTOR HEADER SMAW250 04 WHT 2 CN53 CONNECTOR HEADER SMAW250 06 WHT 1 CN701 CONNECTOR HEADER SMW200 04 NTR 1 D101 DUAL DIODE FEP30JP 1 D201 DIODE RECTIFIER US1G 400V 1 D401 D402 D403 DIODE RECT...

Page 46: ...J 1 12W 1608 7 R306 R CHIP 560 J 1 12W 1608 1 R418 R CHIP 0 02R J 7W 1 R425 R423 R421 R CHIP 100 J 1 8W 1608 3 R459 R CHIP 47K J 1 8W 2012 1 R460 R CHIP 20K J 1 8W 2012 1 R507 R508 R CHIP 1K F 1 12W 1608 2 R510 R511 R509 R CHIP 100K J 1 12W 1608 3 R512 R CHIP 5 6K J 1 12W 1608 1 R513 R514 R529 R528 R527 R526 R530 R CHIP 10K F 1 12W 1608 15 R531 R525 R524 R522 R521 R533 R534 R535 R536 R CHIP 1M J 1...

Page 47: ...Samsung Electronics 46 PCB Diagram BOTTOM ...

Page 48: ... IC15 PHOTO COUPLER TLP181 1 IC31 PHOTO COUPLER TLP181 GRH 150 300 1 IC451 IC OP AMP LA6393M 1 IC55 IC56 TR ARRAY ULN2003AFW 1W 2 IC74 IC LOGIC 74HCT00D SOP 14 1 IC83 LM324 LM324 1 Q201 Q802 TR DIGITAL KRC102S 2 Q801 Q804 TR SMALL SIGNAL BC847B 2 R002 R003 R CHIP 470K F 1 2W 5025 2 R105 R CHIP 6 8K F 1 8W 2012 1 R110 R111 R451 R CHIP 180K F 6432 1W 3 R112 R113 R114 R CHIP 470K F 1 4W 3 R203 R405 R...

Page 49: ... R554 R CHIP 470 J 1 8W 2012 1 R802 R CHIP 220 J 1 8W 2012 1 R803 R CHIP 2 2K F 6432 1W 1 R805 R CHIP 3 3K F 1 8W 2012 1 R302 R807 R CHIP 1K J 1 8W 2012 2 R103 R811 R813 R CHIP 330 J 1 8W 2012 3 R814 R CHIP 5 1K J 1 8W 2012 1 R806 R809 R901 R902 R CHIP 10K J 1 8W 2012 8 R903 R904 R905 R908 R906 R CHIP 6 8K J 1 8W 2012 1 R907 R CHIP 560 J 1 8W 2012 1 Specification Q TY Description Location No ...

Page 50: ...49 Samsung Electronics 10 Wiring Diagram 10 1 Indoor Unit 9K 12K This Document can not be used without Samsung s authorization Code No DB98 16585A ...

Page 51: ...Samsung Electronics 50 10 2 Outdoor Unit 9K 12K This Document can not be used without Samsung s authorization Code No DB98 17635A ...

Page 52: ...MEMO 51 Samsung Electronics ...

Page 53: ...MEMO Samsung Electronics 52 ...

Page 54: ...TRONICS 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 Nov 2004 ...

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