Samsung SH09BWHA Service Manual
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Samsung SH09BWHA Service Manual

Room air conditioner
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SERVICE
AIR CONDITIONER
ROOM AIR CONDITIONER
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CONTENTS
SH09BWHAX
SH12BWHAX

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Summary of Contents for Samsung SH09BWHA

  • Page 1 ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT SH09BWHA SH09BWHAX SH12BWHA SH12BWHAX SERVICE Manual AIR CONDITIONER CONTENTS 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.

  • Page 2: Product Specifications

    1. Product Specifications 1-1 Table Model SH09BWHA SH12BWHA Item Indoor unit Outdoor unit Indoor unit Outdoor unit Type Wall-mounted Wall-mounted Cooling 2.65(1.40~3.50) 3.50(1.40~4.00) Heating 3.60(1.40~4.40) 4.20(1.40~5.10) Dehumidifying Cooling Air Volume /min Heating Perfor- mance Cooling Noise Heating Cooling 3.79 3.27...

  • Page 3: Pressure Graph

    1-2 Pressure Graph SH09BWHA Outdoor Temp. (˚C) SH12BWHA Outdoor Temp. (˚C) Samsung Electronics...

  • Page 4: Operating Instructions

    If you wish to save energy when using your air conditioner, select the Energy saving mode with the button. Sleep button. The sleep timer can be used when you are cooling or heating your room to switch the air conditioner off automatically after a period of 6 hours. Samsung Electronics...

  • Page 5: Samsung Electronics

    On Timer or Off Timer set. Battery life indicator. If you want to check the battery life, press the button. The longer will remain the battery life. If one battery life indicator remains, replace new batteries. Samsung Electronics...
  • Page 6 ON/OFF for safety. *Deice : Deicing operation is controlled by indoor unit's heat exchanger temperature and accumulating time of compressor's operation. Deice ends by sensing of the processing time by deice condition. Samsung Electronics...
  • Page 7 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 occurs to the condition which is set up or select, the compulsory operation mode, buzzer is sounded "beep". Samsung Electronics...

  • Page 8: Replace Pcb Model Option

    2-2 Replace PCB Model option 2-2-1 Replace PCB model option Remove power cord Replace the PCB module Check the connection and plug in Replace another PCB Does all display lamp blink? Refer to set up the Model option(14~17page) Samsung Electronics...

  • Page 9: Disassembly And Reassembly

    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. Samsung Electronics...
  • Page 10 1) Take all the connector of PCB upper side (Main PCB) 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. Tray Drain 1) Pull Tray Drain out from the Back Body. Samsung Electronics...
  • Page 11 1) Loosen the fixing screw and detach the Fan Motor & Motor Holder. Cross Fan 2) Detach the Fan Motor from the Fan. 3) Detach the Fan From the left Holder Bearing. Samsung Electronics...

  • Page 12: Outdoor Unit

    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 4) Loosen 2 fixing screws of the Cabinet-Side Samsung Electronics...
  • Page 13 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. 5) Loosen the 3 bolts at the bottom. 6) Detach the Compressor. Samsung Electronics...

  • Page 14: Refrigerating Cycle Diagram

    4. Refrigerating Cycle Diagram Outdoor Unit Indoor Unit Capillary tube 2-Way valve Liquid side Heat Heat Exchanger Exchanger (Evaporator) (Evaporator) Gas side 3-Way valve 4-Way valve Cooling Heating Compressor Gas leak check point Samsung Electronics...

  • Page 15: Set Up The Model Option

    Every time you push the button, the display panel reads . . . repeatedly. Setting Option SEG4. Push the button to set the display panel to Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 16 Every time you push the button, the display panel reads . . . repeatedly. Setting Option SEG10. Push the button to set the display panel to Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 17 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. Samsung Electronics...
  • Page 18 5-2 Table of the option Code Option Code Model SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SH09BWHA SH12BWHA Samsung Electronics...

  • Page 19: Troubleshooting

    The immediate operation starts Auto restart function is the convenient function where the operation state is without control of remote control memorized in the Memory IC during the blackout and the operation restarts when when plugged the power comes back. Samsung Electronics...
  • Page 20 Abnormal communication error (Indoor - Outdoor unit) Indoor and 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 X : Lamp off : Lamp flickering Samsung Electronics...
  • Page 21 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 Samsung Electronics...
  • Page 22 : Comp top OLP temperature sensor (G) : Deice temperature sensor (H) Check the outdoor unit : Outdoor temperature sensor (H) → Check of the outdoor unit error mode display Operation( ), Turbo( ) lamp flickering : (I) – (R) Samsung Electronics...
  • Page 23 Take out the thermistor connected to the connector (CN43) of control board of indoor unit and measure the resistance between two wires and if it is same as follows: it is normal but if not, replace it. Ambient temperature 15°C 20°C 25°C 30°C 35°C 40°C (°C) Resistance of 14.68 12.09 8.31 6.94 5.83 thermistor [KΩ] Samsung Electronics...
  • Page 24 (PIN#3,4 of CN51 - discharge temperature sensor), (PIN#1,2 of CN52-OLP Temperature sensor) Measure the resistance between two wires and if it is same as follows, it is normal but if not, replace. Ambient temperature 0°C 10°C 20°C 30°C 40°C 50°C (°C) Resistance of thermistor [KΩ] Samsung Electronics...
  • Page 25 • C437 47uF • R459 47K • R461 4.7K 6-3-10 (K) Check of Current sensor, Voltage sensor on the board. √ These errors are from component trouble on the outdoor control board. → Replace the outdoor control board √ Samsung Electronics...
  • Page 26 • If the comp is locked. → Replace the comp. • • If the comp is operating without the revolution of fan motor → Take out the protection cover. • → Check the fan motor connector and replace the fan motor. • Samsung Electronics...
  • Page 27 • Gas pressure balance is not good at stop condition. → Check service valve open. √ • → Check EEV motor attachment and connector. √ • √ • Compressor is locked or have some mechanical damage. → Replace the compressor. √ • Samsung Electronics...
  • Page 28 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 Samsung Electronics...

  • Page 29: Fault Diagnosis Of Major Parts

    ∞, … open or short Abnormal Measure the resistance between the red wire and each terminal wire with a tester. Stepping Motor Normal About 300Ω at the normal temperature (20˚C ~ 30˚C) ∞, … open or short Abnormal Samsung Electronics...
  • Page 30 MEMO Samsung Electronics...

  • Page 31: Exploded Views And Parts List

    7. Exploded Views and Parts List 7-1 Indoor Unit 3-8-1 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.kr Samsung Electronics...
  • Page 32 Exploded Views and Parts List Parts List Q'TY Code No. Description Specification Remark SH09BWHA SH12BWHA DB94-00454B ASS'Y-BACK BODY ASS'Y DB61-01632A BACK-BODY HIPS DB69-00834A CUSHION-BACK BODY DB61-01634A SUPPORTER-EVAP RH HIPS DB31-00219A MOTOR-IN YDK-016S1408-01 DB94-00456A ASS'Y-CROSS FAN OD92x635 DB97-02075A ASS'Y-BOLT SPECIAL ASS'Y...
  • Page 33 7-2 Outdoor Unit Samsung Electronics...
  • Page 34 DB63-01043A FELT COMP SIDE FELT G4C090LU1ER COMPRESSOR G4C090LU1ER DB99-00481B ASS'Y VALVE 4WAY ASS'Y DB97-02490B ASS'Y VALVE EEV ASS'Y DB71-00090E BAR-STEEL ASS'Y DB32-00083C ASS'Y THERMISTOR OUT ASS'Y DB32-00121A ASS'Y THERMISTOR OLP/SUC ASS'Y DB33-00021A SOLENOID-REACTOR 12A, 21mH 3301-001738 CORE-FERRITE ASS'Y Samsung Electronics...
  • Page 35 C/W STEP MOTOR UP/DOWN ASS'Y DB32-00020D ASS'Y-THERMISTOR 4P(103AT) DB63-00851A COVER CLAMP HIPS DB93-01549C POWER CORD 250V 15A DB39-00183A C/W MF CAPACITOR 22AWG 2301-001339 RUN CAPACITOR 1.2µF/450V DB39-00148A PLATE-EARTH WIRE UL 1015 AWG #16 YEL/GRN 200mm 6009-001001 SCREW-SPECIAL TH M4XL8 Samsung Electronics...
  • Page 36 MEMO Samsung Electronics...
  • Page 37 7-4 Ass'y Control Out SH09BWHX : DB93-02740B SH12BWHX : DB93-02740A Samsung Electronics...
  • Page 38 INSULATOR-MICA DB65-00086A ASS'Y TERMINAL BLOCK 3P DB61-00250A HOLDER WIRE DB70-00465A PLATE-CASE CONTROL SGCC-MTO.6 6003-000325 SCREW-TAPPING PH,+,2,M3,L20 6005-000643 SCREW-TAPPING TH,+,1,M4,L10 6002-000171 SCREW-TAPPING PH,+,2S,M4,L10 FOAMLEX 60x180xT2.0 DB93-00936A RUN CAPACITOR 1.7µF/450V SCREW-TAPPING M3x14 WSP PH+ DB62-02541L SEAL CASE CONTROL BASE 70x15xT10 Samsung Electronics...

  • Page 39: Block Diagram

    • STEPPING MOTOR DRIVE • BUZZER DRIVE FLAP STEPPING MOTOR • 4-WAY VALVE DRIVE : BLADE UP/DOWN ON, OFF TIMER SELECT TEMPERATURE DC 5V SELECT VOLTAGE REGULATOR SLEEP SELECT DC 12V ENERGY SAVING SMPS POWER BLOCK BATTERY CHECK AC INPUT Samsung Electronics...

  • Page 40: Pcb Diagram

    9. PCB Diagram 9-1 Ass'y PCB Indoor Unit : DB93-02754A Samsung Electronics...
  • Page 41 PCB Diagram BOTTOM Samsung Electronics...
  • Page 42 BZX84C3V6,3.6V/350mW D102 DIODE-RECTIFIER UG2D,200V/2A D103 DIODE-ZENER BZX84-C11,11V/350mW D104 DIODE-RECTIFIER UF4007,1KV/1A D703,D702,D701 DIODE-RECTIFIER MRA4005,600V/1A DSA1 SURGE-ABSORBER DSA-332mA F701 FUSE-BLOCK 250V,3.15A,FAST-ACTING FT71 LINE FILTER USAV-07153,15.0mH IC01 IC-POWER TRANSFORMER TNY255P,8P/DIP IC02 IC-POSI.FIXED REG 78L05A,TO-92 IC03 IC-VOLTAGE COMP. KA7533,TO-92 IC04 IC-MICOM MB90F462PF,STM-0266OC Samsung Electronics...
  • Page 43 47K-J,3W R704,R703 R-METAL OXIDE 4.7K-J,2W R706 R-CHIP 100K-J,1/8W,2012 R707 R-CHIP 680-J,1/8W,2012 R803,R606 R-CHIP 4.7K-J,1/8W,2012 R804,R209,R603,R601,R605,R801 R-CHIP 10K-J,1/8W,2012 RY71 RELAY-POWER UKH-12S,12Vdc/20A SS71 AQG22212,12Vdc/2A ST11 TRANS SWITCHING EI1916-048 VA71,VA73,VA72 VARISTOR INR14D561K-RS,560V,2500A X501 RESONATOR-CERAMIC 4MHz XC72,XC71 C-FILM,MPPF 100nF,275V ZD71 DIODE-ZENER 1N4749A,24V/1W Samsung Electronics...
  • Page 44 9-2 Ass'y PCB Outdoor Unit : DB93-02741B(9K) / DB93-02741A(12K) Samsung Electronics...
  • Page 45 FT01 SS2915044B SS2915044B FT00 SS2915025B SS2915025B FUSE FUSE 65TS-150-H,250V,20A IC01 IC-MICOM ML66Q517 IC11 IC-PWM CONTROLLER TOP222P,8P/DIP IC17 IC-POSI.FIXED REG KA7805A,TO-220 IC18 IC-POSI.FIXED REG KA7815 IC19 IC-POSI.FIXED REG KA7812A,TO-220 IC21,IC32 PHOTO-COUPLER TLP181-GRH,150-300% IC701 IC-EEPROM 93LC56,128x16Bit IC73 IC-POSI.ADJUST REG TL431,8P/SMD Samsung Electronics...
  • Page 46 10K-F,1/12W,1608 R531,R525,R524,R522,R521,R533,R534 R535 R536 R-CHIP 1M-J,1/10W,1608 R537,R538 R-CHIP 10K-J,1/10W,1608 R801 R-CEMENT 0.045-J,3W R812,R506,R517,R505,R553 R-CHIP 330-J,1/12W,1608 RY01 RELAY-POWER UKH-12S,12Vdc/20A RY502,RY501 RELAY-MINIATURE FTR-F3AA012E,12Vdc/5A VA07,VA08,VA09,VA03,VA04 VARISTOR INR14D561K-RS,560V,2500A XTAL01 RESONATOR-CERAMIC 6.25MHz, * ZD21 DIODE-ZENER 1N4749A,24V/1W ZD23,ZD22 DIODE-ZENER MMBZ5232B, * ZD31 DIODE-ZENER 1N4751A,30V/1W Samsung Electronics...
  • Page 47 PCB Diagram BOTTOM Samsung Electronics...
  • Page 48 R-CHIP 6.8K-F,1/8W,2012 R110,R111,R451 R-CHIP 180K-F,6432/1W R112,R113,R114 R-CHIP 470K-F,1/4W R203,R405,R461,R804 R-CHIP 4.7K-J,1/8W,2012 R407,R408,R409 R-CHIP 33-J,1/10W,2012 R104,R106,R413 R-CHIP 3.3K-J,1/8W,2012 R414,R523,R532,R808,R810 R-CHIP 10K-F,1/10W,2012 R416 R-CHIP 390-J,1/10W,2012 R419,R420,R422,R424 R-CHIP 100-J,1/8W,2012 R426,R427,R428 R-CHIP 300K-F,1W,6432 R429 R-CHIP 1.6K-F,1/8W,2012 R430 R-CHIP 51-F,1/8W,2012 R452 R-CHIP 150K-F,1W,6432 Samsung Electronics...
  • Page 49 5.1K-F,1/8W,2012 R539,R540,R541 R-CHIP 2.2K-J,1/8W,2012 R502,R552 R-CHIP 24K-F,1/8W,2012 R554 R-CHIP 470-J,1/8W,2012 R802 R-CHIP 220-J,1/8W,2012 R803 R-CHIP 2.2K-F,6432/1W R805 R-CHIP 3.3K-F,1/8W,2012 R302,R807 R-CHIP 1K-J,1/8W,2012 R103,R811,R813 R-CHIP 330-J,1/8W,2012 R814 R-CHIP 5.1K-J,1/8W,2012 R806,R809,R901,R902, R-CHIP 10K-J,1/8W,2012 R903,R904,R905,R908 R906 R-CHIP 6.8K-J,1/8W,2012 R907 R-CHIP 560-J,1/8W,2012 Samsung Electronics...

  • Page 50: Wiring Diagram

    10. Wiring Diagram 10-1 Indoor Unit(9K / 12K) Code No : DB98-16585A This Document can not be used without Samsung's authorization. Samsung Electronics...

  • Page 51: Samsung Electronics

    10-2 Outdoor Unit(9K / 12K) Code No : DB98-17635A This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 52 MEMO Samsung Electronics...
  • Page 53 MEMO Samsung Electronics...
  • Page 54 ELECTRONICS © Samsung Electronics Co., Ltd. Nov. 2004. 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.

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