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Samsung AC036JB1DEC Service Manual
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Samsung AC036JB1DEC Service Manual

System air conditioner
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AIR CONDITIONER
AC036JB1DEC/TL
AC026MN1DKH/TK
AC035MN1DKH/TK
AC026MN1DKH/EU
AC035MN1DKH/EU
AC036JCADEC/TL
AC052JCADEC/TL
SYSTEM AIR CONDITIONER
Model :
Model Code :
AC052JB1DEC/TL
AC071JB1DEC/TL
AC071JCADEC/TL
Indoor Unit
AC036JB1DEC
AC052JB1DEC
AC071JB1DEC
AC026MN1DKH
AC035MN1DKH
AC036JB1DEC/TL
AC052JB1DEC/TL
AC071JB1DEC/TL
AC026MN1DKH/TK
AC035MN1DKH/TK
AC026MN1DKH/EU
AC035MN1DKH/EU
CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Reference Sheet
Outdoor Unit
AC036JCADEC
AC052JCADEC
AC071JCADEC
AC036JCADEC/TL
AC052JCADEC/TL
AC071JCADEC/TL

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Summary of Contents for Samsung AC036JB1DEC

  • Page 1 SYSTEM AIR CONDITIONER Indoor Unit Outdoor Unit Model : AC036JB1DEC AC036JCADEC AC052JB1DEC AC052JCADEC AC071JB1DEC AC071JCADEC AC026MN1DKH AC035MN1DKH Model Code : AC036JB1DEC/TL AC036JCADEC/TL AC052JB1DEC/TL AC052JCADEC/TL AC071JB1DEC/TL AC071JCADEC/TL AC026MN1DKH/TK AC035MN1DKH/TK AC026MN1DKH/EU AC035MN1DKH/EU AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4.

  • Page 2: Table Of Contents

    Contents 11. Precautions ..................................................1-1 Precautions for the Service ................1-2 Precautions related to static electricity and PL ................... 1-3 Precautions related to product safety ..........................1-4 Other precautions 12. Product Specifications ..............................................2-1 The Feature of Product ........................
  • Page 3 4-4 Troubleshooting by symptoms ........................4-27 4-4-1 Indoor temperature sensor (open/short)(E121)................4-27 4-4-2 Indoor heat exchanger temperature sensor (open/short) (E122) ........4-28 4-4-3 Indoor FAN error (E154) ........................4-29 4-4-4 Communication error after finishing Tracking (E202) .............. 4-30 4-4-5 Indoor unit float sensor error (E153) ....................4-31 4-4-6 EEPROM circuit failure (E162) ......................

  • Page 4: Precautions

    ● Check whether the installation location is at least two meters away from other electronic products such as TV, video, or audio. – Otherwise, the video quality might be degraded or noise might be generated. ● Do not let end users repair the products themselves. – Unauthorized disassembly might cause electric shock or fire. Samsung Electronics...

  • Page 5: Precautions Related To Product Safety

    – Release the high pressure and low pressure valve caps. – Close the high pressure valve completely using an L-wrench – After about two minutes, close the low pressure valve completely. – Stop running the air conditioner. – Separate the connecting pipe. Samsung Electronics...
  • Page 6 With the advanced BLDC inverter technology, it makes a room cool with highly energy saving and arises the efficiency of air conditioner. ● Long Ambient Operation(In Low Temperature) It can arise the reliability and the capacity of the air conditioner, especially operated in low temperature. ● Eco-friendly Product(Lead-Free, RoHS, WEEE) ● Easy installation of ultra-lightweight indoor unit Samsung Electronics...

  • Page 7: Product Specifications

    2-2 Product Specifications AC036JB1DEC/TL AC026/035MN1DKH/TK AC052JB1DEC/TL AC071JB1DEC/TL ITEM AC026/035MN1DKH/EU AC052JCADEC/TL AC071JCADEC/TL AC036JCADEC/TL Indoor Unit Outdoor Unit IMAGE Remote Controller Wireless remote controller Wired remote controller : MR-EC00 : MWR-WE10 Power Product 1Φ, 230V/50Hz 1Φ, 230V/50Hz 1Φ, 230V/50Hz Indoor L x H x D...

  • Page 8: Accessories

    2-3 Accessories ■ 1WAY CASSETTE (AC✳✳✳JB1DEC Series) Q'TY Item Descriptions Code-No. Remark AC052JB1DEC AC036JB1DEC AC071JB1DEC DB69-01947A DB69-01947B Pattern sheet DB69-03017A DB69-03017B Installation gauge DB69-01936A Installation gauge DB69-03011A Seal-drain ass'y DB62-05810A Insulation-base DB72-00401C Essential Offer (Indoor Unit) Grommet hanger DB63-00237A Cable tie...
  • Page 9 ■ Wireless remote controller (MR-EC00) Item Descriptions Code-No. Q'TY Remark Wireless remote controller DB93-14643K Batteries for remote controller 4301-000121 (specification: ""AAA"" type) Optional Remote controller holder DB61-06087A M4×16 screw 6002-000581 User’s manual DB68-04667A Samsung Electronics...
  • Page 10 ■ Wired remote controller (MWR-WE10) [Code No. : DB97-17002B] Item Descriptions Code-No. Q'TY Remark Wired remote controller DB93-11251B Cable tie DB65-10088B Cable clamp DB65-10074E Optional M4×16 Screw 6002-000474 User’s manual DB98-32810A Installation guide DB98-32811A Samsung Electronics...
  • Page 11 Central controller (MCM-A202D) [Code No. : DB97-18602B] Item Descriptions Code-No. Q'TY Remark Central controller DB93-03425N Cable tie DB65-10088B Cable clamp DB65-10074E Optional M4 X 16 Screw 6002-000474 User’s manual DB98-33437A Installation guide DB98-33434A Samsung Electronics...
  • Page 12 Item Descriptions Code-No. Q'TY Panel Code Remark DB63-01694A Basic/ Dust filter PC1NUSMAN Water wash DB63-01695A DB63-02354A Basic/ Dust filter PC1NUPMAN Water wash DB63-02355A DB63-02276A Basic/ Dust filter PC1BWSEAN Water wash DB63-02277A Basic/ Dust filter DB63-02277A PC1BWPEAN Water wash Samsung Electronics...
  • Page 13 Front panel Item Descriptions Code-No. Q'TY Remark PC1NUSMAN AC036JB1DEC* AC052JB1DEC* PC1BWSEAN AC071JB1DEC* PC1NUPMAN AC036JB1DEC* AC052JB1DEC* PC1BWPEAN AC071JB1DEC* Samsung Electronics...

  • Page 14: Disassembly And Reassembly

    3. Disassembly and Reassembly Necessary Tools Item Remarks +Screw Driver Monkey Spanner –Screw Driver Nipper Electric Motion Driver L-Wrench Spanner Torque Wrench Samsung Electronics...

  • Page 15: Indoor Unit

    3-1 Indoor unit 1WAY CASSETTE (AC036JB1DEC Series) Parts Procedure Remark PANEL & FILTER 1) Push the push button of grille and open it. NORMAL TYPE (PC1NWSK 1N PC1NWAK 1N) 2) Detach one clip from panel and separate the grille from panel tilting the grille 45°.
  • Page 16 Parts Procedure Remark 6) Press the left and right hook of panel and detach the panel from the indoor unit. Samsung Electronics...
  • Page 17 2) Pull the drain pan and detach it from indoor unit. Be careful that your hands don't touch heat exchanger panel when you detach the drain pan. ELECTRICAL 1) Unscrew 5 fixing screws of electrical EQUIPMENT PART equipment part and detach the cover. (use +screw driver) Samsung Electronics...
  • Page 18 Parts Procedure Remark ELECTRICAL 2) Detach several connector connected to the EQUIPMENT PART indoor unit PCB. 3) Detach electrical equipment part from indoor unit. DRAIN SUB 1) Press the hook of drain sub and detach it. Samsung Electronics...
  • Page 19 (use +screw driver) 2) Detach indoor unit sensor from heat exchanger. 3) Detach heat exchanger from indoor unit. CROSS PAN 1) Unscrew 3 fixing screws of cover fan motor. (use +screw driver) 2) Detach cover fan motor from indoor unit. Samsung Electronics...
  • Page 20 3) Detach cross fan from indoor unit. 1) Unscrew 1 fixing screws of cover drain pump. DRAIN PUMP (use +screw driver) 2) Detach drain hose from drain pump. 3) Detach drain pump from indoor unit. SPI KIT 1) Detach SPI KIT from. Samsung Electronics...
  • Page 21 PC1NWAK 1N) 2) Detach one clip from panel and separate the grille from panel tilting the grille 90°. 3) Detach filter from panel. 4) Detach 4 cover screws. 5) Unscrew 7 panel fixing screws from indoor unit.(use +screw driver) Samsung Electronics...
  • Page 22 2) Detach from indoor unit after separating 2 drain pan fixing hook Be careful that your hands don't touch heat exchanger panel when you detach the drain pan. SPI-KIT(option) 1) Detach SPI KIT from indoor unit as as shown in the figure. Samsung Electronics...
  • Page 23 Parts Procedure Remark 1) Detach a cover unscrewing 3 electrical ELECTRICAL equipment part fixing screw. EQUIPMENT PART 2) Detach several connector connected to indoor unit PCB. 3-10 Samsung Electronics...
  • Page 24 3) Detach electrical equipment part from ELECTRICAL indoor unit. EQUIPMENT PART DRAIN PAN 1) Unscrew 2 fixing screws of drain pan. (use +screw driver) 2) Release band ring and Detach drain hose from drain pump. 3) Detach drain pump from indoor unit. Samsung Electronics 3-11...
  • Page 25 (use +screw driver) 2) Hold hook of drain sub and detach it. HEAT EXCHANGER 1) Unscrew 1 fixing screws of heat exchanger. (use +screw driver) 2) Detach indoor unit sensor from heat exchanger. 3) Detach EEV connector from PCB. 3-12 Samsung Electronics...
  • Page 26 1) Unscrew 3 fixing screws of cover fan motor. (use +screw driver) 2) Unscrew a fixing screw of holder fan. (use +screw driver) Assemble to match a side end of holder fan with a side of cross fan when you reassemble it. Samsung Electronics 3-13...
  • Page 27 Parts Procedure Remark 3) Detach cover fan motor from indoor unit. 4) Unscrew 1 fixing screws of cross fan. 5) Detach cross fan from indoor unit. 3-14 Samsung Electronics...

  • Page 28: Outdoor Unit

    3-2 Outdoor Unit AC036/052JCADEC Series Parts Procedure Remark 1) Stop the operation of air conditioner and shut off the main power. Assy Cabi Top 1) loosen 6 pcs screw and detach the Assy Cabi Top. Samsung Electronics 3-15...
  • Page 29 1) loosen 1 pcs screw and detach the Assy Cover Control. Assy Cabi Side RH 1) Loosen 2 pcs screws fixed to assemble Control Box with Cabinet-Side RH. 2) Loosen fixing 7 pcs screws and detach the Cabinet-Side RH. 3-16 Samsung Electronics...
  • Page 30 Parts Procedure Remark Guard Cond 1) Loosen 1 pcs screw and detach the Guard Cond. Assy Cabinet Front 1) Loosen 5 pcs screws and detach the Assy Cabinet Front. Samsung Electronics 3-17...
  • Page 31 1) loosen the 1 nut according the indication and detach the fan propeller. Bracket Motor 2) Disconnect the Motor wire from Assy Control Out. 3) Loosen 4 pcs screws and detach the Motor. 4) Loosen 5 fixing screws and detach the Bracket Motor. 3-18 Samsung Electronics...
  • Page 32 Parts Procedure Remark Assy Control Out 1) Detach several connectors from the Assy Control Out. 2) Loosen 1 pcs screws fixed to assemble Control Box with Assy Partition and detach the Assy Control Out. Samsung Electronics 3-19...
  • Page 33 Parts Procedure Remark Thermister 1) Disconnect the thermister wire from Assy Control Out. 2) Detach the temperature sensor assembled to pipe & heat exchanger. Reactor 1) Loosen 3 pcs screws and detach the Reactor. 3-20 Samsung Electronics...
  • Page 34 1) Disassemble the Felt Compressor Sound. 2) Loosen the fixing nut and detach the Compressor Lead Wire. 3) Disassemble the pipes in both Discharge pipe and Suction Pipe with welding torch. 4) Loosen the 3 nuts at the bottom of Compressor. Samsung Electronics 3-21...
  • Page 35 2) Disassemble the serevel pipe with welding torch. Remove the refrigerant surely before Heat Heat Excharger Exchanger. 1) Loosen fixing screw on both sides. 2) Disassemble the pipes in both inlet and outlet with welding torch. 3) Detach the Heat Exchanger. 3-22 Samsung Electronics...
  • Page 36 AC071JCADEC Series Parts Procedure Remark common work 1) Stop the operation of air conditioner and shut off the main power. Assy Cabi Top 1) loosen 8 pcs screw and detach the Assy Cabi Top. Samsung Electronics 3-23...
  • Page 37 1) loosen 1 pcs screw and detach the Assy Cover Control. Assy Cabi Side RH 1) Loosen 2 pcs screws fixed to assemble Control Box with Cabinet-Side RH. 2) Loosen fixing 7 pcs screws and detach the Cabinet-Side RH. 3-24 Samsung Electronics...
  • Page 38 Parts Procedure Remark Guard Cond 1) Loosen 1 pcs screw and detach the Guard Cond. Assy Cabinet Front 1) Loosen 7 pcs screws and detach the Assy Cabinet Front. Samsung Electronics 3-25...
  • Page 39 1) loosen the 1 nut according the indication Motor and detach the fan propeller. 2) Disconnect the Motor wire from Assy Control Out. 3) Loosen 4 pcs screws and detach the Motor. 4) Loosen 2 fixing screws and detach the Bracket Motor. 3-26 Samsung Electronics...
  • Page 40 1) Detach several connectors from the Assy Control Out. 2) Loosen 2 pcs screws fixed to assemble Control Box with Assy Partition and detach the Assy Control Out. Thermister 1) Disconnect the thermister wire from Assy Control Out. Samsung Electronics 3-27...
  • Page 41 Parts Procedure Remark 2) Detach the temperature sensor assembled to pipe & heat exchanger. 3-28 Samsung Electronics...
  • Page 42 1) Disassemble the Felt Compressor Sound. 2) Loosen the fixing nut and detach the Compressor Lead Wire. 3) Disassemble the pipes in both Discharge pipe and Suction Pipe with welding torch. 4) Loosen the 3 nuts at the bottom of Compressor. Samsung Electronics 3-29...
  • Page 43 3. Please weld after wrapping head with a towel and others so that EEV head is not heated, when you replace EEV. 1) Loosen 4 bolts fixed to assemble Valve Service with Bracket Valve. 2) Disassemble the serevel pipe with welding torch. 3-30 Samsung Electronics...
  • Page 44 Parts Procedure Remark Remove the refrigerant surely before Heat Excharger Heat Exchanger. 1) Loosen fixing screw on both sides. 2) Disassemble the pipes in both inlet and outlet with welding torch. 3) Detach the Heat Exchanger. Samsung Electronics 3-31...

  • Page 45: Troubleshooting

    Step 2 After entering the option setting status, select the option as listed below. 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 46: The Procedure Of Setting Option

    Press Mode button to be changed to AUTO mode in the OFF status. 11. Setting SEG14, SEG15 option Press Low Fan button( ) to enter SEG14 value. Press High Fan button( ) to enter SEG15 value. Each time you press the button, … will be selected in rotation. SEG14 SEG15 Samsung Electronics...
  • Page 47 Press Mode button to be change to HEAT mode in the OFF status. 19. Setting SEG23, SEG24 mode Press Low Fan button( ) to enter SEG23 value. Press High Fan button( ) to enter SEG24 value. Each time you press the button, … will be selected in rotation. SEG23 SEG24 Samsung Electronics...
  • Page 48 Step 5. Check operation 1) Reset the indoor unit by pressing the RESET button of indoor unit or outdoor unit. 2) Take the batteries out of the remote controller and insert them again and then press the operation button. Samsung Electronics...

  • Page 49: Order For Setting Options

    Press the Set button to save the settings and exit to the sub-menu setting screen. Press the Esc button to exit to normal mode. ]/[ ] buttons to set the range of Data bit. Esc button to exit to the setting sub-menu without saving your changes. Samsung Electronics...

  • Page 50: Setting An Indoor Unit Installation Option

    Drain pump(SEG8) will be set to ‘USE + 3 minute delay’ even if the drain pump is set to 0. ▶ Number of hours using filter(SEG18) will be set to ‘1000 hour’ even if the SEG18 is set to except for 2 or 6. ▶ Samsung Electronics...
  • Page 51 SEG20 SEG21 SEG22 SEG23 SEG24 Individual control of a Explanation PAGE remote controller Remote Controller Display RESERVED RESERVED RESERVED RESERVED Indication Details Indication Details 0 or 1 Indoor 1 Indication Indoor 2 and Details Indoor 3 Indoor 4 Samsung Electronics...

  • Page 52: Changing A Particular Option

    SEG2 SEG3 SEG4 SEG5 SEG6 The option mode The tens’ digit of an The unit digit of an Explanation PAGE MODE you want to option SEG you will option SEG you will Changed value change change change Indication Samsung Electronics...

  • Page 53: Option Code For Each Model

    4-1-6 Option code for each model Model SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 Remocon display AC036JB1DEC AC052JB1DEC AC071JB1DEC Model SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 Remocon display AC036JB1DEC...

  • Page 54: Items To Check Before Diagnostics

    Date (Tens' digit) Date (Unit digit) After short push 1 E2P version Year (Hex) Month (Hex) Date (Tens' digit) Date (Unit digit) ❋ Long push K4(Main micom ver . ) short push 1 more(Inv. micom ver.) short push 1 more(E2P . ver.) 4-10 Samsung Electronics...

  • Page 55: Troubleshooting For Indoor Unit

    Communication error between indoor unit and outdoor unit(E202) tracking is completed Communication error between outdoor unit inv - main Communication error be micom(E203) main micom Blockage detected on high pressure pipe (E422) Blockage of outdoor unit v 4-11 Samsung Electronics...
  • Page 56 Check electrical connection and setting between indoor unit and outdoor unit 4-30 page tween outdoor unit inv - Check electrical connection and setting between indoor unit MAIN PBA - INVERTER PBA valve Check the Blockage of outdoor unit valve : On : Flashes X : OFF Samsung Electronics 4-12...
  • Page 57 1 WAY/2WAY/4WAY,DUCT MODEL : Number of hours using filter(SEG18) will be set to '1000hour' even if the SEG18 is set to exept for 2 or 6. ▶ ▶ 4WAY MODEL : Even when the value of Heating setting compensation(SEG21) is set to '0' , it wil be recognized as '5°C' . 4-13 Samsung Electronics...

  • Page 58: Changing A Particular Option

    SEG4 SEG5 SEG6 The option The tens’ digit of The unit digit of The changed Explanation PAGE MODE mode you want an option SEG an option SEG value to change you will change you will change Indication Samsung Electronics 4-14...

  • Page 59: Option Code For Each Model

    OPTION CODE ACN026NDEHA/EU 015077-1660F8-271A21-370000 ACN035NDEHA/EU 015077-166219-272328-370000 ACN052NDEHA/EU 015077-17625D-273437-370040 ACN060NDEHA/EU 015077-18626E-273C46-370040 ACN071NDEHA/EU 015077-156391-274750-370040 ACN026NDEHH/SA 015077-1660F8-271A21-370000 ACN035NDEHH/SA 015077-166219-272328-370040 ACN052NDEHH/SA 015077-17625D-273437-370040 ACN060NDEHH/SA 015077-18626E-273C40-370040 AC026FBNDEH/EU 015077-1960C8-271A21-370000 AC035FBNDEH/EU 015077-1860F9-272328-370000 AC052FBNDEH/EU 015077-17625D-273437-370040 AC060FBNDEH/EU 015077-18626E-273C46-370040 AC071FBNDEH/EU 015077-166381-274750-370040 NS0261DXEA 017057-1860F8-271A23-370010 NS0351DXEA 017057-17624D-272328-370010 AC026FB1DEH/EU 017057-1760F8-271A23-370010 AC035FB1DEH/EU 017057-18624D-272328-370010 4-15 Samsung Electronics...

  • Page 60: Items To Check Before Diagnostics

    Error of outdoor unit operation-off operation-off operation-off Detection of the float switch operation-off operation-off operation-off EEPROM error operation-off operation-off operation-off EEPROM option error operation-off operation-off operation-off operation-on operation-on operation-on Turn on Flashing Turn off 4-16 Samsung Electronics Samsung Electronics 4-17 4-11...
  • Page 61 2 : Down Protection control 1 : heating 2 : non-stop 3 : Up_limit defrosting 4 : Sown_limit 3 : over-load 4 : discharge Group address of indoor heat Three digits Two digits One digit exchanger S/W check 4-18 Samsung Electronics...

  • Page 62: Eco Mode(Power Save)

    4-3-3 ECO mode(Power save) ECO mode lamp : RED Display ECO mode lamp Mode Segment 1 Segment 2 Segment 3 Segment 4 RED color ECO mode Exit ECO mode Press K3 to exit Samsung Electronics 4-19...

  • Page 63: Way Cassette Type

    The detection of secondary high tem- perature at discharge. Reverse detection error. Deviation of float sensor connector. Check the connection between main PCB and float sensor in the indoor unit. Cut of float sensor wire. Turn on Flashing Turn off 4-20 Samsung Electronics...
  • Page 64 Check non-delivery/cool delivery/non-insertion of IC51 EEPROM part defect Part Pin. Check non-delivery/cool delivery/non-insertion of IC51 EEPROM circuit defect peripheral circuit components. EEPROM option none input/error Re-input of option code for indoor unit. input. Turn on Flashing Turn off Samsung Electronics 4-21...

  • Page 65: Troubleshooting For Outdoor Unit

    Cooling operation restricted at outdoor temperature below E441 COOLING Tcool_low value (default: 0 C) E458 Fan speed error FAN1 ERROR E461 Error due to operation failure of inverter compressor E462 System stop due to full current control 4-22 Samsung Electronics...
  • Page 66 Check the refrigerant Error due to mismatching capacity of indoor and outdoor Check the indoor and Outdoor unit E556 unit Capacity E557 DPM remote controller option error Check the indoor option code E590 Inverter EEPROM CheckSum error Samsung Electronics 4-23...

  • Page 67: Wired Remote Controller

    Check sensor resistance Outdoor unit Compressor down due to freeze Check outdoor cond. Operation Off protection control protection control error. Outdoor unit System stop due to overload Check compressor when it start Operation Off protection control protection control error. 4-24 Samsung Electronics...
  • Page 68 [Inverter] Compressor rotation error Check the resistance between difference Operation Off protection control phases of the compressor error Outdoor unit Check EEPROM DATA [Inverter] Current sensor error Operation Off protection control Check the normal operation of PCB error Samsung Electronics 4-25...
  • Page 69 COM2 terminal of the indoor Normal operation controller error unit Wired remote controller COM2 Check that Com1, Com2 setting DIP switch is Wired remote Normal operation option setting error set to Com2 controller error 4-26 Samsung Electronics...

  • Page 70: Troubleshooting By Symptoms

    In this case, is the resistance 8.300 value out of range in the temperature table on the right? 10.00 12.10 Indoor temperature sensor 14.70 failure (replace) 18.00 Restart the system after replacing the PCB 22.00 28.30 33.90 42.30 Samsung Electronics 4-27...

  • Page 71: Indoor Heat Exchanger Temperature Sensor (Open/Short) (E122)

    In this case, is the resistance 8.300 value out of range in the temperature table on the right? 10.00 12.10 Failure of the indoor heat 14.70 exchanger temperature sensor (replace) 18.00 Restart the system after replacing the PCB 22.00 28.30 33.90 42.30 4-28 Samsung Electronics...

  • Page 72: Indoor Fan Error (E154)

    PCB? Connect the connector to PCB. Check the normal operation. [After the start of operation of FAN] Motor : Is voltage of AC 220V displayed? Check the motor and replace it. Check the PCB and replace it. Samsung Electronics 4-29...

  • Page 73: Communication Error After Finishing Tracking (E202)

    PCB and replace the PCB Reconnect the cable connecting the outdoor unit to the indoor unit and restart the unit. If the communication still doesn’t work, replace the indoor unit PCB. Good +0.7V -0.7V 4-30 Samsung Electronics...

  • Page 74: Indoor Unit Float Sensor Error (E153)

    Normal operation DC AC drain pump PCB unit(CN74) Replace indoor unit PBA voltage = around AC 12V ? Float sensor error is released when indoor unit power is reset. Replace the drain pump Replac AC drain pump Samsung Electronics 4-31...

  • Page 75: Eeprom Circuit Failure (E162)

    Turn on the unit. 162 Occurs. Is EEPROM SUB PBA reassembled correctly? EEPROM PBA CODE : DB93-12483A EEPROM Reassembly Is any problem such as short or unsoldering between EEPROM PIN? Remove short or unsoldering Replace EEPROM PBA 4-32 Samsung Electronics...

  • Page 76: Thermal Fuse Open Error

    (Temperature rise by untightening a screw/ Termal Fuse open) E198 occurs. Is the CN140 connector of PCB between wire correctly connected? Re-operation after the connector. Measure both ends of connector connected the TERMINAL BLOCK. Paragraph (Short) Has the connector ends? Replace the MAIN PBA. Samsung Electronics 4-33...

  • Page 77: Pcb Diagram And Parts List

    PCB Diagram and Parts List 5. PCB Diagram and Parts List 5-1 Indoor Unit 5-1-1 Slim 1 way cassette type ■ 1way cassette(AC036JB1DEC , AC026/036MN1DKH ) 14 13 5 16 11 17 6 21 10 Samsung Electronics...
  • Page 78 PCB Diagram and Parts List 1way cassette(AC036JB1DEC ,AC026/036MN1DKH ) (cont.) ① ② ③ ④ CN101-GND CN701-FAN MOTOR CN140-FUSE CHECK CN412-ROOM THERMISTOR #1: GND #1: POWER(N) #1: FUSE CHECK SIGNAL #1 : ROOM THERMISTOR #3 : SSR MOTOR POWER(L) #2: GND...
  • Page 79 PCB Diagram and Parts List ■ 1way cassette(AC052/071JB1DEC ) 16 5 10 13 Samsung Electronics...
  • Page 80 #6 : DC12V #6 : DC12V #7~#10: LOUVER SIGNAL OUTPUT CN801-SPI TB101-AC POWER TE04-COMMUNICATION #1: GND #1: POWER(L) #1: COM1(F1) #2: POWER(N) #2: COM1(F2) #2: GND #3: V1(DC12V) #3: SPI POWER OUTPUT(DC12V) #4: V2(GND) #5: COM2(F3) #6: COM2(F4) Samsung Electronics...

  • Page 81: Panel Pcb

    PCB Diagram and Parts List 5-1-2 PANEL PCB ■ 1way cassette ① DC Connector #1 : CN01- INDOOR UNIT MAIN PBA CONNECTION #1,#2,#3,#4,#5 : DISPLAY LED CONTROL #6: NOT USED #7: RECEIVE REMOCON SIGNAL Samsung Electronics...

  • Page 82: Outdoor Unit

    PCB Diagram and Parts List 5-2 Outdoor Unit ■ Main PCB - AC036/052JCADEC 13 12 Samsung Electronics...

  • Page 83: Main Pcb

    CN150 -SMPS AC POWER CN551 - INVERTER DOWNLOAD #1: U #1 : REACTOR1 #1 : NEUTRAL #2: V #2 : REACTOR2 #2 : LIVE #3: W ⑰ CN204 - DRED #1-#3: DRED SIGNAL #4 : GND #5 : DC 5V Samsung Electronics...
  • Page 84 PCB Diagram and Parts List Outdoor PCB (cont.) ■ Main PCB - AC071JCADEC 9 17 14 13 Samsung Electronics...
  • Page 85 CN150 -SMPS AC POWER CN551 - INVERTER DOWNLOAD #1: U #1 : REACTOR1 #1 : NEUTRAL #2: V #2 : REACTOR2 #2 : LIVE #3: W ⑰ CN204 - DRED #1-#3: DRED SIGNAL #4 : GND #5 : DC 5V Samsung Electronics...
  • Page 86 CON01 - SMPS AC POWER CON02 - MAIN DC POWER #1 : DC 15V #1 : NEUTRAL #1 : DC 12V #2 : GND #2 : LIVE #2 : GND #3 : ENABLE #3 : DC 5V 5-10 Samsung Electronics...
  • Page 87 #1~7 : SEGMENT SIGNAL #1 : KEY INPUT SIGNAL #1 : DC 12V #8~10 : KEY INPUT SIGNAL #2~5 : GRID SIGNAL #2 : GND #6~10 : REPEATER SIGNAL #3 : DC 5V #4~5 : NOT USED Samsung Electronics 5-11...

  • Page 88: Reference Sheet

    Mode FLAGSHIP COOLING ONLY PREMIUM HEAT PUMP R410a DELUXE <- Basic HEAT RECOVERY STANDARD COOLING ONLY HEAT PUMP Cooling only R134A Heat Pump ※ "/" can be removed from the buyer card if there are not enough digits. Samsung Electronics...
  • Page 89 R410a DELUXE <- Basic HEAT RECOVERY STANDARD COOLING ONLY UNIVERSAL HEAT PUMP Cooling only R134A Heat Pump ★ ※ MCD: Dummy mock-up model ※ “/” can be removed from the buyer card if there are not enough digits. Samsung Electronics...

  • Page 90: Index For Model Name

    8 Languages English ★ Only display the Global 4 way with Korean/ English K separator. Pattern Waffle Stripe Korean Global market use 4 Way Export/ Panel foreign market use ※ Model name for the column/bundle packaging is “~S”. Samsung Electronics...

  • Page 91: Refrigerating Cycle Diagramc

    6-2 Refrigerating Cycle Diagram Outdoor Unit Heat Exchanger Indoor Unit Accumulator Compressor Category Symbol Description Compressor Rotary Inveter Compressor Heat Exchanger Condensing/Evaporating unit Accumulator Accumulator Expansion Electronic Expansion Valve(EEV) Valve Service Service valve Senser Temperature Pip/Air Temperature sensor Samsung Electronics...
  • Page 92 China china.samsungportal.com © Samsung Electronics Co., Ltd. December. 2016. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in Korea. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. AC-00124E_2...

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