Samsung AR12FSFPESNNEU Service Manual
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Samsung AR12FSFPESNNEU Service Manual

Samsung AR12FSFPESNNEU Service Manual

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SPLIT-TYPE AIR CONDITIONER
INDOOR UNIT
OUTDOOR UNIT
Basic Code :
Model Code :
AIR CONDITIONER
CONTENTS
1.Precautions
2. Product
ations
3. Alignment and Adjustments
4. Disassembly and Reassembly
5. Assy Control
6. Electrical Parts List
7. Wiring Diagram
8. PCB Diagram
9. Operating Instructions
10. Troubleshooting
11. Block Diagram
12. Reference Sheet

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Summary of Contents for Samsung AR12FSFPESNNEU

  • Page 1 SPLIT-TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT Basic Code : Model Code : AIR CONDITIONER CONTENTS 1.Precautions 2. Product ations 3. Alignment and Adjustments 4. Disassembly and Reassembly 5. Assy Control 6. Electrical Parts List 7. Wiring Diagram 8. PCB Diagram 9.

  • Page 2: Table Of Contents

    5-3 Assy Control Out ········································································································· · · ····································· 6. Electrical Parts List ······································································································································ 6-1 INDOOR MAIN PCB ························································································ ·················· ·················· ··············· 34-37 6-2 OUTDOOR MAIN PBA ······································································································································ 38-43 7. Wiring Diagram ················································································································································· 7-1 Indoor Unit ························································································································································· 7-2 Outdoor Unit ······················································································································································· Samsung Electronics...
  • Page 3 ·························· 85 12-3 Pressure & Capacity mark·································································································· 12-4 Q & A for Non-trouble····································································································· · ······························· 86-88 12-5 Cleaning /Filter Change··································································································· · ····························· 89-90 12-6 Installation·············································································································· · ············································ 91 12-7 Installation Diagram of Indoor Unit and Outdoor Unit···································································· 92-94 Samsung Electronics...

  • Page 5: Disposing Of The Unit

    Never store or load the air conditioner upside down or sideways to prevent the da age to the co pressor. Young children or infir persons should be always supervised when they use the air conditioner. Ma current is easured according to IEC standard for safety. Current is easured according to ISO standard for energy efficiency. Samsung Electronics...

  • Page 6: Product Spe Ations

    On those hot sweltering summer days and long restless nights, there is no better escape from the heat than the cool comforts of home. Your new air conditioner brings an end to exhausting hot summer days and lets you rest. Beat the heat with your own air conditioner this summer. Your new air conditioner not only provides maximum cooling power in the summer, but also can be an running cost.

  • Page 7: Ations

    Heat Exchanger 2ROWx14(10+4)STEP 2ROWx24STEP 2ROWx14(10+4)STEP 2ROWx24STEP Refrigerant Control Unit Freezer Oil Capacity Refrigerant to Change(R410A) 1100(Charged for 5m) 1100(Charged for 5m) Proterction Device(OLP) None None Cooling -10~46 -10~46 Operation condition range Heating -25~24 -25~24 2- 2 Samsung Ele ctr onic s...

  • Page 8: The Comparative Specifications Of Product

    880*260*360 880*260*360 Outer Dimension Outdoor Unit 926*640*384 926*640*384 Indoor Unit 44/42(Sound Pressure)/56(Sound Power) 46/44(Sound Pressure)/58(Sound Power) Noise Outdoor Unit 51(Sound Pressure)/59(Sound Power) 53(Sound Pressure)/62(Sound Power) Air Purifying System Filter FULL HDFILTER FULL HDFILTER 2- 6 Samsung Ele ctr onic s...

  • Page 9: Accessory And Option Spec Cations

    DB97-02851C DB93-15169N DB61-06087A Holder Remocon 4301-000121 DB68-05254A...

  • Page 11: Led Display Error And Check Method

    ERROR MODE DESCRIPTION LED3 LED2 LED1 7-SEG TIMER OPTION OPERATION Communcation error E101,E102  (Indoor Outdoor) E121 ROOM TH sensor error INDOOR MID,INDOOR IN PIPE-TH E122,E123 sensor error E154 Fan error (Indoor) E162 EEPROM error (Indoor) E163 OPTION error FROM E200 Outdoor error display ...
  • Page 12 DESCRIPTION Power Off Reset Normal Operation Abnormal Communication IPM Over Current(O.C) Comp Starting Error Heatsink Sensor Error Heatsink Over Heat DC-Link Voltage Under/Over Error Over Voltage Protection Error OLP Over Heat OLP Sensor Error Current Sensor Error Input Current Sensor Error Comp Vlimit Error Comp Current Limit Error 1min.

  • Page 13: Setting Option Setup Method

    3-3 Setting Option Setup Method SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Samsung Electronics...
  • Page 14 3-3 Setting Option Setup Method Samsung Electronics...

  • Page 17: Indoor Unit

    FRONT.(use + Screw Driver) 4) Loosen connector wire(white) and detach the temperature sensor wire. 5) To detach the FRONT-PANEL the main frame, unfasten 2 screw at the bottom.(use + Screw Driver) 6) Take off the FRONT-PANEL,lifting up the bottom. Samsung Electronics...
  • Page 18 TRAY-DRAIN towards you. CONTROL IN 1) Unfasten the earth screw.(use + Screw Driver) 2) Detach COVER-CONTROL from the CASECONTROL. 3) Detach the temperature sensor. 4) Loosen MOTOR Wire. 5) Take off the CASE-CONTROL from the main frame. Samsung Electronics...
  • Page 19 Parts Procedure Remark 1) Unfasten the screw. 2) Cut the cable tie. 3) Loosen the terminal block wires. Caution: The terminal is locking type. So, when you separate terminals, pull pressing the button. Button Samsung Electronics...
  • Page 20 • • 7) Loosen the display wire connector Caution: When you separate the connector, pull pressing the locking button. 8) Loosen the sensor wire connector(CNS43), the earth wire connector(CNP73).T/B fuse wire connector(CNS11),communicition wire connector(CNS22) Samsung Electronics...
  • Page 21 1) Unfasten the screw at the right side. (use + Screw Driver) 2) Unfasten the screw at the left side. (use + Screw Driver) 3) Detach the HOLDER PIPE. 4) Take off the EVAPORATOR from the main frame. Samsung Electronics...
  • Page 22 2) unfasten the 3 points screws in the CASE- CONTROL, and then detach the CASE. (use + Screw Driver) 3) unfasten the screw a little.(use + Screw Driver) 4) Lift up the evaporator slightly and pull the CROSS-FAN to the left side. Samsung Electronics...

  • Page 23: Outdoor Unit

    4-2. Outdoor Unit Procedure Parts Remark Common Work 1) Loosen each screws and detach the Cabi Top Cover 2) L oosen screws of the C abi Front and detach it . Samsung...
  • Page 24 Remark 3) Remove the 4 Cond Bar from the holder of outdoor unit cabinet. 4) Loosen fixing screws from the Cabi Front Lh and detach it. 5) Loosen fixing screws from the Cabi Side Rh and detach it. Samsung Electronics...
  • Page 25 (Use Monkey Spanner.) 2) Detach the Fan Propeller. 3) Loosen 4 fixing screws to detach the Motor. (Use Monkey Spanner.) 4) Disconnect the wire between Ass’y Control Out and Motor. 8) Loosen 2 fixing bolts and detach the Bracket Motor Samsung Electronics...
  • Page 26 3) Detach several connectors from the PCB of Ass’y Control Out. Heat Exchanger 1) Release the refrigerant at first. 2) Loosen fixing screw on both sides. 3) Disassemble the pipes in both inlet and outlet with welding torch. 4) Detach the Heat Exchanger. Samsung Electronics...
  • Page 27 Parts Procedure Remark Compressor 1) Loosen the fixing nut and detach the Compressor Lead Wire. (Use Monkey Spanner.) 2) Loosen the bolts at the bottom of Compressor like the picture on the right side. (Use Monkey Spanner.) Samsung Electronics...

  • Page 28: Eeprom Download

    3.EEPROM DOWNLOAD Maldives 1) Power off 2) Take off the Cabinet : Check the LED off 3) Connect PC-Download Jig-PBA 4-13...
  • Page 29 F1,F2 (2pin) F1,F2 (2pin) 5) Execute the Universal EEPwriter program 6) Select COM Port and connect 7) Open the file...
  • Page 30 　　　8) Click the Start button and reset the power...

  • Page 31: Assy Control

    5-1 ASSY KIT --- DB92-03642A CODE NAME SPEC Q'TY UNIT DB68-02809A LABEL BAR CODE ART,45,15,E-PASS DB90-08954A ASSY CASE CONTROL INV INDOOR DB92-03467E ASSY PCB MAIN MAIN,Maldives DB93-06676A ASSY CONNECTOR WIRE AR5000(Single Core) DB93-10918H ASSY CONNECTOR WIRE DISPLAY-PBA DB95-05163A ASSY THERMISTOR IN 103HW,6P,400/400/400...

  • Page 32: Assy Control In

    SS-P/ ,TH,M4 L14 DB93-10942A ASSY CONNECTOR WIRE T/B-PBA,AR VSPD M DB93-14238A ASSY CONNECTOR WIRE-COMM PBA-T/B,A3050 10 DB65-10088D CABLE TIE 2 4,100,WHT(NTR),NYL66 11 DB98-33293A ASSY-LABEL CAUTION H/P,INV,LABEL CAUTION 12 DB98-34030A ASSY-LABEL CAUTION HP,INV 13 DB93-13688C ASSY CONNECTOR WIRE-DC SI NAL PBA-WIRE Samsung Electronics...

  • Page 33: Assy Control Out

    1 PC ASSY CONNECTOR WIRE-DC SIGNAL DB93-14276A 1 PC ASSY CONNECTOR WIRE-DC SIGNAL DB93-14277A 0 PC DB93-14277B 1 PC ASSY CONNECTOR WIRE-DC SIGNAL DB93-14278A 0 PC ASSY CONNECTOR WIRE DB93-15008A 1 PC ASSY PCB SUB-HEATER DB93-13220A 1 PC Samsung Electronics...

  • Page 34: Electrical Parts List

    6. Electrical Parts List 6-1 INDOOR MAIN PCB - DB92-03467E Samsung Electronics...
  • Page 35 6. Electrical Parts List 6-1 INDOOR MAIN PCB - DB92-03467E Samsung Electronics...
  • Page 36 6. Electrical Parts List 6-1 INDOOR MAIN PCB - DB92-03467E Samsung Electronics...
  • Page 37 6. Electrical Parts List 6-1 INDOOR MAIN PCB - DB92-03467E Samsung Electronics...
  • Page 38 6-2 OUTDOOR MAIN PBA(DB92-02866D) Samsung Electronics...

  • Page 39: Outdoor Main Pba

    OUTDOOR MAIN PBA(DB92-02866D) Samsung Electronics...
  • Page 40 OUTDOOR MAIN PBA(DB92-02866D) Samsung Electronics...
  • Page 41 OUTDOOR MAIN PBA(DB92-02866D) Samsung Electronics...
  • Page 42 OUTDOOR MAIN PBA(DB92-02866D) Samsung Electronics...
  • Page 43 OUTDOOR MAIN PBA(DB92-02866D) Samsung Electronics...

  • Page 44: Wiring Diagram

    7. Wiring Diagram 7-1 Indoor Unit DB68- 05092A- 2 Samsung Electronics...

  • Page 49: I N D O O R M A I N P C B

    #1,4,5,6: Download Signal #1: EVA_TEMP #1: 12V Signal #1 : SPI Signal #2: GND #2 : VCC #2 : GND #3: GND #3 : DC 12V CN75 - SMPS IN CNS21-COMM #1 : Signal 1 #2 : Signal 2 Samsung Electronics...

  • Page 50: Outdoor Main Pcb

    #5 : FAN RPM #6 : FAN FEEDBACK CN002 - POWER-L CN003 - EARTH CN150 - SMPS AC CN402 - COMP #1 : W #1 : L #1 : EARTH #1,#3 : AC220~240V #2 : V #3 : U Samsung Electronics...

  • Page 51: Wire Connecting The Indoor Unit Terminal Blocks

    If not, there exists a possibility of fire which 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 Samsung Electronics...

  • Page 52: Operating Instructions

    9-1-1 Main parts Room temperature sensor Air intake (up and down) Blade pin lever Display Timer/ indicator Operation indicator Power button Remote controller receiver...
  • Page 53 9-1-2 Outdoor Unit...

  • Page 54: Wireless Remote Control-Buttons And Display

    Vertical air swing blade movement automatically Power Mode Set one of the 5 operating modes conditioner Temp + Increase/Decrease the Adjust the fan speed temperature by 1 ˚C. Options Horizontal air swing Select options during operation blades movement automatically Timer Select Timer option Settings Select settings...

  • Page 55: Troubleshooting

    10-1 Refer to the following chart if the air conditioner operates abnormally. This may save time and unnecessary expenses. PROBLEM SOLUTION power The air Check status and then operate the air conditioner conditioner does again. not work at all. Plug in or switch on the circuit breaker and then operate the air conditioner again.
  • Page 56 Heat the outdoor unit. mode in winter. Water is dropping Water may be generated because of the temperature from the outdoor unit piping connection. Samsung Electronics...

  • Page 57: Communication Error

    Is the connec on of power cable Correct the wrong cable. and communica on cable normal? Exchange the indoor unit PBA. Is the communica on error Terminate the service. occurred again? Exchange the outdoor unit PBA. 10-2 Samsung Electronics...
  • Page 58 Detach the assembled sensor from the PBA sensor connector and measure the sensor resistance with ohmmeter(tester) Sensor Replace Sensor resistance value : 20 - 12.09kohm Is the sensor resistance value #1 - #2 30 - 8.31kohm 10kohm 3% at the room temperature 35 - 6.94kohm of 25...
  • Page 59 Detach the assembled sensor from the PBA sensor connector and measure the sensor resistance with ohmmeter(tester) Sensor Replace Sensor resistance value : 20 - 12.09kohm Is the sensor resistance value #3-#4 30 - 8.31kohm and #5-#6 10kohm 3% at the room temprature 35 - 6.94kohm of 25 40 - 5.83kohm...
  • Page 60 Unplug the power cord and plug it a er 30seconds later. Check the as in the procedure. Is the lamp blinking? No power. Is the connected louver wire? Connect the wire PBA to louver motor Does opera on start when swing Normal bu on of the remote control unit pushed?
  • Page 61 10- 6...
  • Page 62 Indoor fan motor speed detecting error(BLDC MOTOR)
  • Page 63 Is the sensor connector(CN251) Reconnect the sensor connector. connected correctly in accordance with a color(WHT,2PIN)? Sensor Replace Sensor resistance value : 20 - 242kohm Is the sensor resistance value #3-#4 30 - 166ohm 200kohm±3% at the room temperature 35 - 138ohm of 25 40 - 115kohm Connect the sensor to PBA connector (2piin)
  • Page 64 Restart a er power off. Is the restart error occurred again? Terminate the service Is the connec on of compressor Connect the comp wire normally wire is normal? Download the EEPROM data Terminate the service Is the restart error occurred again? Is the compressor body and Exchange the Outdoor PBA interphase resistance insulated?
  • Page 65 Restart a er power off. Is the restart error occurred again? Terminate the service Is the connec on of compressor wire is normal? (PBA and Connect the comp wire normally Compressor) Is the restart error occurred again? Terminate the service Is the compressor body and Exchange the Outdoor PBA interphase resistance insulated?
  • Page 66 Restart a er power off. Is the O.C error occurred? Terminate the service Is the connec on of compressor Connect the comp wire normally wire is normal? Is the O.C error occurred again? Terminate the service Is the condi on of indoor/outdoor Restart a er returning to the normal load temperature normal load? Is the O.C error...
  • Page 67 Is the connected of reactor wire? Connect the reactor wire (PBA-Reactor) Restart a er power off. Start the opera on (cooling mode or hea ng mode) Is the DC_link voltage (CE101) is Check the power input normal in opera on mode? Normal range(280Vdc~320Vdc) Is the DC_link sensing voltage(R104) Exchange the Outdoor PBA...
  • Page 68 Is the connected of reactor wire? Connect the reactor wire (PBA-Reactor) Restart a er power off. Is the the input voltage is nomal? Check the input power in the powercord. Normal range(180Vac ~ 270Vac) Restart a er power off. Start the opera on (cooling mode or hea ng mode) Is the DC_link voltage (CE101) is normal in opera on mode? Check the input power...
  • Page 69 Restart a er power off. Is the condi on of indoor/outdoor Restart a er returning to the normal load temperature normal load? Is the I_trip error Terminate the occurred again? service Is the posi on of temperature Correct the sensor posi on or exchange the sensor sensor and the sensing value normal? Is the connec on cable for the...
  • Page 70 Restart a er power off. Is the PFC shunt and IPM shunt Exchange the Outdoor PBA resistance value correct? Is the current sensor error Terminate the service appeared again? Exchange the Outdoor PBA 10-1...
  • Page 71 Restart a er power off. Are there screws in PBA-heatsink? Fastening the screw (4 screws) Check the fan connec on Is the fan opera on normal? Change the Fan motor Exchange the Outdoor PBA 10-1 6...
  • Page 72 Restart a er power off. Is the O.C error occurred? Terminate the service Is the connec on of compressor Connect the comp wire normally wire is normal? Is the O.C error occurred again? Terminate the service Is the condi on of indoor/outdoor Restart a er returning to the normal load temperature normal load? Is the O.C error...
  • Page 73 power off and download EEPROM data (or. Insert the service EEPROM IC) Restart a er power off Terminate the service Is the error appeared again? Exchange the Outdoor PBA 10-1...
  • Page 74 Restart a er power off Is the AC line zero cross signal error Terminate the service appeared again? Exchange the Outdoor PBA 10-1...
  • Page 75 Unplug the power cord Is the power cord connected normal? Terminal block : 1(L) -2(N) Reconnect the power cord correctly. PBA:CN71: #1-#3 Check the fuse open or not? Exchange the PBA (F701,F702) Restart a er power off. Check the power source. Is the power normal? The remote control signal receiver on the display Press the power bu on on the...
  • Page 76 Unplug the power cord Is the power cord connected normal? Is the cable connected correctly Reconnect the power cord correctly. between indoor and outdoor unit? Is the wiring correctly from outdoor terminal block to PBA Check the fuse open or not Exchange the outdoor PBA (F001) Restart a er power off.
  • Page 77 Restart a er power off. Are there screws in PBA-heatsink? Fastening the screw (4 screws) Check the fan connec on Is the fan opera on normal? Change the Fan motor Exchange the Outdoor PBA 10-22...

  • Page 78: Pcb Inspection Method

    10-23...
  • Page 79 10-24...

  • Page 82: Outdoor Unit

    11- 2...

  • Page 83: Reference Sheet

    Item Reference 3TH 4TH ITEM Item Item Export 12Year INVERTER HP Export 13Year INVERTER CO Export 14Year Export 15Year Export 16Year 9TH DIGIT Item1 Export 1st MODEL A Export The virus doctor (The India / Latin America A / PAC K besides) S Export Export NO virus doctor (the India / Latin America A / PAC K besides) Export 3rd MODEL C...

  • Page 84: Low Refrigerant Pressure Distribution

    Note : Please measure 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 Low Refrigerant Pressure Distribution ＊ ＊ Samsung Electronics 12-2...

  • Page 89: Cleaning /Filter Change

    Opening the panel Tightly grab top of the front panel and pull it down to open. Then slightly lift the panel up. and slide it down. Open the panel and put the Air filter out. Clean the Air filter with a vacuum cleaner or soft brush. If dust is too heavy, rinse it with running water.
  • Page 94 12-7-3 POWER SUPPLY Working Voltage 176V ~ 264V Within a 3% Deviation from Each Voltage at the Main Terminal of Voltage Imbalance Outdoor Unit Starting Voltage Higher than 80% of the Rated Voltage 12-7-4 WORKING RANGE Applicable models: AR09JSFPPWQN(X)EE AR12JSFPPWQN(X)EE working range min ( max (...
  • Page 95 This Service Manual is a property of Samsung Electronics Co., Ltd. © Samsung Electronics Co., Ltd. August. 2013. Any unauthorized use of Manual can be punished under applicable Code No. AC-00045K_1 International and/or domestic law.

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