Samsung AC048KXQPCC Service Manual
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Samsung AC048KXQPCC Service Manual

Samsung AC048KXQPCC Service Manual

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AIR CONDITIONER
AC048KNPPCC
AC048KXQPCC
AC036KNPPCC
AC036KXQPCC
AC140KNPDEH
AC140KXADGH
AC100KNPDEH
AC048KXADGC
AC048KNPDEC
AC036KNPDEC
FLOOR STAND TYPE AIR CONDITIONER
Basic :
Model :
Model Code :
1. Precautions
2. Product Specifications
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
6. Wiring Diagram
7. Reference Sheet
AC100KXADEH
AC036KXADEC
AF55JV1MAEE
AC048KNPPCC / AC048KXQPCC
AC036KNPPCC / AC036KXQPCC
AC140KNPDEH / AC140KXADGH
AC100KNPDEH / AC100KXADEH
AC048KNPDEC / AC048KXADGC
AC036KNPDEC / AC036KXADEC
AC048KNPPCC/MG AC048KXQPCC/MG
AC036KNPPCC/MG AC036KXQPCC/MG
AC140KNPDEH/EU AC140KXADGH/EU
AC100KNPDEH/EU AC100KXADEH/EU
AC048KNPDEC/TL AC048KXADGC/TL
AC036KNPDEC/TL AC036KXADEC/TL
AC036KNPDEC/SV AC036KXADEC/SV
CONTENTS

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Summary of Contents for Samsung AC048KXQPCC

  • Page 1 FLOOR STAND TYPE AIR CONDITIONER Basic : AF55JV1MAEE Model : AC048KNPPCC / AC048KXQPCC AC036KNPPCC / AC036KXQPCC AC140KNPDEH / AC140KXADGH AC100KNPDEH / AC100KXADEH AC048KNPDEC / AC048KXADGC AC036KNPDEC / AC036KXADEC Model Code : AC048KNPPCC/MG AC048KXQPCC/MG AC036KNPPCC/MG AC036KXQPCC/MG AC140KNPDEH/EU AC140KXADGH/EU AC100KNPDEH/EU AC100KXADEH/EU AC048KNPDEC/TL AC048KXADGC/TL...

  • Page 2: Table Of Contents

    Contents 1. Precautions ······································································································································· 1-1 Precautions for the Service ············································································································ 1-2 Precautions for the Static Electricity and PL ··············································································· 1-3 Precautions for the Safety ·············································································································· 1-4 Others ················································································································································ 2. Product Specifications ·············································································································· 2-1 The Feature of Product ··················································································································· 2-1-1 Features ·································································································································· 2-1-2 Changes in comparison to basic model ············································································...
  • Page 3 Contents 4-3-10 E461: Compressor start error E467: Compressor wire missing error ·························································································· 4-17 4-3-11 E462 : Current protection control causes comp. down E484 : PFC overload error ·················································································································· 4-18 4-3-12 E463 : OLP protection control caused comp. down ······························································ 4-19 4-3-13 E464 : O.C.

  • Page 4: Precautions

    - Release the valve caps on High and Low pressure side. - Use L wrench to close the valve on the high pressure side. - Approximately 2 minutes after, close the valve on the low pressure side. - Stop operation of the air conditioner. - Disconnect the pipes. Samsung Electronics...

  • Page 5: Product Specifications

    It can arise the reliability and the capacity of the air conditioner, especially operated in low temperature.  Eco-friendly Product (Lead-Free, RoHS, WEEE)  High Performance & Energy Saving With the advanced BLDC inverter technology, it makes a room cool with highly energy saving and arises the efficiency of air conditioner. Samsung Electronics...

  • Page 6: Changes In Comparison To Basic Model

    Product Specifications 2-1-2 Changes in comparison to basic model Changed part Changed item and feature Basic After changed Indoor Unit Wi-Fi Function added. Outdoor Unit Inverter controller changed. (AC048KXQPCC AC036KXQPCC AC140KXADGH AC048KXADGC) Outdoor Unit (AC100KXADEH AC036KXADEC) Samsung Electronics...

  • Page 7: The Comparative Specifications Of Product

    Product Specifications 2-2 The Comparative Specifications of Product Development Model Basic Model Item AC048KNPPCC AC036KNPPCC AC140KNPDEH AC100KNPDEH AC048KNPDEC AC036KNPDEC AF55JV1MAEEN AC048KXQPCC AC036KXQPCC AC140KXAPGH AC100KXAPEH AC048KXAPGC AC036KXADEC AF55JV1MAEEX Indoor Unit Design Outdoor Unit Wireless Remote Controller DB93-15883B DB93-15883B DB93-15883B DB93-14643X Cooling (T1) [Btu/h or W]...

  • Page 8: Accessory And Option Specifications

    Water Washing 2-3-2 Accessory Item Descriptions Code-No. Q'ty Remark Manual DB68-04872A (AC048/036KNPPCC) Manual DB68-06271A (AC140/100KNPDEH) DB68-06272A Manual DB68-06270A (AC048/036KNPDEC) Wireless Remocon DB93-15883B Battery DB47-90024A Indoor Unit Holder Remocon DB61-06087A Rubber Cabi Hole DB73-00195A Insulation Tube DB62-10944A Insulation DB72-50300A (AC048/036KN*) Samsung Electronics...
  • Page 9 Product Specifications Item Descriptions Code-No. Q'ty Remark Insulation DB72-50300C (AC140/100KN*) Holder Top DB61-40042B Indoor Unit Screw (L14) 6002-000538 Screw (L12) 6002-000231 Rubber leg DB73-20134A Drain Plug DB67-00806A Outdoor Unit CAP Drain DB63-10355C Samsung Electronics...

  • Page 10: Disassembly And Reassembly

    3. Disassembly and Reassembly  Necessary Tools Item Remark +Screw driver Monkey spanner Samsung Electronics...

  • Page 11: Indoor Unit

    1) Open the Ass'y Inlet and remove the safety clips. Ass'y Cover Control 1) Loosen one fixing screw of Ass'y Cover Control. (Use +Screw driver) and detach the cover. 2) Lift up the Ass'y Cover Control and detach it by pulling the bottom outward. Samsung Electronics...
  • Page 12 3) Detach the connectors connected to Panel-Outlet and the Motor Connector. Horizontal blade Motor-In Panel Vertical blade Ass'y Panel-outlet 1) Loosen the 7 fixing screws of Ass'y Panel-Outlet and detach the panel outlet by pushing upwards. (Use +Screw driver) Detaching Detaching direction direction Samsung Electronics...
  • Page 13 Heat Exchanger to detach. Ass'y Control In 1) Loosen the 1 fixing screw of Ass'y Control. 2) Loosen the EVA grounding fixing screw. 3) Detach the Ass'y Control In by pushing Detaching direction it to the right. ❷ ❶ Samsung Electronics...
  • Page 14 1) Loosen the 1 fixing screw of Guard Fan. (Use +Screw driver) Detaching 2) Push the Guard Fan in the arrow direction direction and detach the guard. 3) Loosen the Blower nut clockwise and pull the Blower toward you and detach it. (Use a monkey spanner.) Samsung Electronics...
  • Page 15 Motor.) Cover Top 1) Loosen the 3 fixing screws of Cover-Top and detach the cover. (Use +Screw driver), (Screw : TH type2 M4, L10, BLK) 2) Lift up the rear of Cover Top and detach it. Samsung Electronics...
  • Page 16 2) As you push the 2 hooks on each side of Panel outward, detach the bottom part of Partition by lifting it toward you. 3) Detach the wire positioned with Holder Wire. 4) Detach the wire positioned with Holder Wire. Samsung Electronics...
  • Page 17 Display PBA and detach the case. - Seperate Display PBA (Use +Screw driver) 2) Unlink the fixing hook placed in the middle of Case Display PBA. 3) Loosen the 2 fixing screws of PBA and detach the PBA. (Use +Screw driver) Samsung Electronics...
  • Page 18 1) Loosen the 8 fixing screws of Holder Blade and detach the holder. - Motor Step (Use +Screw driver) 2) Loosen the 2 fixing screws of Step Motor and detach the motor. (Use +Screw driver) 3) The detached Step Motor. Samsung Electronics...

  • Page 19: Outdoor Unit

    Cabi Install Front 1) Unscrew and remove 1 screw in the Cabinet-Install Front. (Use +Screw Driver) Guard Cond 1) Pull the sensor from Guard Cond. 2) Unscrew and remove 4 screws in the Guard Cond. (Use +Screw Driver) 3-10 Samsung Electronics...
  • Page 20 Cabinet-Install Back. (Use +Screw Driver) Cabi Front LF 1) Unscrew and remove 10 screws in the Cabinet-Front LF. (Use +Screw Driver) 1) Turn 2 mounting nuts as shown in the picture and remove it. (Use Adjustable Wrench) Samsung Electronics 3-11...
  • Page 21 1) Unscrew and remove 2 mounting screws in Bracket Motor. (Use +Screw Driver) Control Out 1) Disconnect 4 Connecters From Ass'y Control Out. 2) Unscrew and remove 1 mounting screw in Control Out. (Use +Screw Driver) 3) Separate Ass'y Control Out. 3-12 Samsung Electronics...
  • Page 22 Compressor completely and remove the pipe with a welding flame. Assy EEV Valve 1) Unscrew and remove 2 mounting screws in Service Valve. (Use +Screw Driver) 2) Separate the pipe from the Entrance/ Exit using a welder. Samsung Electronics 3-13...

  • Page 23: Troubleshooting

    Operation Operation ● Check address setting of Indoor units. setting error ● Check indoor unit's quantity setting No response error of Operation Operation Operation in outdoor unit. ● Check electrical connection and set- address from indoor unit ting. Samsung Electronics...

  • Page 24: Outdoor Trouble Shooting

    FAN2 error E387 Hall IC connection error of Fan2 FAN2 error E389 V-limit error on Fan2 of compressor FAN2 error E391 Error due to DataFlash of Fan2 FAN2 error E393 Output current sensor error of Fan2 FAN2 error Samsung Electronics...
  • Page 25 Error due to overcurrent of Fan1 FAN1 error E484 PFC Overload (Over current) Error Check Outdoor Inverter PBA. E485 Error on input current sensor of inverter 1 (Short or Open) Check Outdoor EEPROM PBA E486 Over-voltage/low-voltage error of Fan1 FAN1 error Samsung Electronics...
  • Page 26 Option code miss matching among the indoor units (only E557 Check the indoor option code for DPM) Outdoor EEPROM checksum error between MAIN E590 and INVERTER (AC  JXAFKH, AC  JXAFNH,  JXAPNH) E660 Inverter Boot Code error Samsung Electronics...

  • Page 27: Troubleshooting By Symptoms

    If the communication still doesn’t work, indoor unit PCB and outdoor unit PCB in order of mention. Good +0.7V -0.7V cf.) If there is no oscillo scope, it can be replaced multimeter instead of osillo scope. 4-14 Samsung Electronics Samsung Electronics...

  • Page 28: Outdoor's Service Valve(Clog)

    Wire remote controller display E422 Clogging of outdoor's service valve Symptom Failure Valve clog Is the outdoor service Check the normal of EVA-IN Was lacking in refrigerant? valve clogged? TEMP SENSOR. Open the outdoor's service valve Refrigerant Charge. Samsung Electronics...

  • Page 29: No Power(Completely Dead) - Initial Diagnosis

    Is the voltage between Replace the inverter PBA the terminal 2 (~) and 4 (~) of the bridge diode 220V? Is the fuse connected? Replace the fuse Replace the inverter PBA Is the resistance value of R001 200Ω? Cont. Samsung Electronics...
  • Page 30 Troubleshooting Outdoor unit is not powered on – Initial diagnosis (1phase) (cont.) Cont. Is the reactor connector Connect the reactor connected correctly? Replace the PBA. Samsung Electronics...
  • Page 31 Replace the PCB of the indoor unit if the PCB (Transformer, fuse, pcd, etc.) fails voltage (V1-V2) 12Vdc? Does the air conditioner operate when pressing ON/OFF button of the Replace the wired remote controller wired remote controller? Cont. Samsung Electronics...
  • Page 32 Are the option DIP switches Reconfigure the option DIP switches inside the wired remote controller configured correctly? Is there an error Check the system depending message displayed on the wired remote on the error display controller display? Check the target temperature 4-10 Samsung Electronics...

  • Page 33: E102 : Communication Error Between Indoor And Outdoor Unit

    Is the communication error Terminate the service. occurred again? Isn't the power cable and Correct the wrong wiring. communication cable wiring error? Is the connection of Correct the connection of communication cable normal? communication cable. Replace the outdoor unit PCB. Samsung Electronics 4-11...

  • Page 34: External Sensor Error (Error Code: E221, E231, E251, E320)

    After confirming the state is normal, Does the same error occur again end the service. after power is on? Replace the outdoor unit PBA. → Power is on. → After confirming the state is normal, end the service. 4-12 Samsung Electronics...

  • Page 35: E403 : Freezing Control Causes Comp. Down

    The indoor FAN/MOTOR operates normally? The indoor EEV operates normally? Check the EEV. The indoor heat Exchanger sensor displays the Same as when checking other temp sensors. temperature ok? Check for clogging in the suction area of the indoor machine. Samsung Electronics 4-13...

  • Page 36: E416 : Dischage Temperature Sensor Error

    Test operation Connect S-net to vacuum. (Forceful) All the sub valves open? Open the sub valve. The outdoor/indoor EEV operates normally? Check the EEV. Clogging in the pipeline? Check the pipeline. (ex-filter) Check the amount of coolant. 4-14 Samsung Electronics...

  • Page 37: E440, E441 : Abnormal Outside Temperature Halts Operation Of The Compressor

    When the product malfunctions, if the actual situation does not match the above diagnosis, measure the temperature of incoming air with S-net to see if the measurement is the same as the actual outdoor temperature. If not, replace the temperature sensor. Samsung Electronics 4-15...

  • Page 38: Outdoor Unit Bldc Fan1 Or Fan2 Error (E458 : Fan1 Error, E475 : Fan2 Error)

    4) Is the resistance value of sensor connection pull_up correct? 2. Troubleshooting procedure Remove the Fan lock. Isn't the Fan locked? Is the connector connected correctly? Connect the connector. Is the color of Fan wire matched correctly? Replace the Fan. Replace the PCB. Normal operation Exit 4-16 Samsung Electronics...

  • Page 39: E461: Compressor Start Error

    Is the interphase resistance value of Replace the compressor. compressor(u↔v, v↔w, w↔u) normal? Is the compressor body and Replace the compressor. interphase resistance insulated? Is the connection cable for the Correct the cable connection. compressor and power terminal normal? Replace the PCB. Samsung Electronics 4-17...

  • Page 40: E462 : Current Protection Control Causes Comp. Down

    E484 : PFC overload error Outdoor unit display E462,E484 • The outdoor machine input current above I_Trip. Criteria •Check the compressor input voltage. (error for low voltage.) Cause of problem •Check the overcurrent option setting. How to check Compressor input voltage supplied ok? Check the input power terminal. Overcurrent option setting ok? Correct the overcurrent setting. Finished inspections 4-18 Samsung Electronics...

  • Page 41: E463 : Olp Protection Control Caused Comp. Down

    Test operation Connect S-net to vacuum. (forceful) All the sub valves open? Open the sub valve. The outdoor/indoor EEV operates normally? Check the EEV. Clogging in the pipeline? Check the pipeline. (ex-filter) Check the amount of coolant. Samsung Electronics 4-19...

  • Page 42: E464 : O.c. (Over Current) Error

    Is insuration resistance between each Replace the compressor compressor terminal and body normal? Does the compressor rotate normally? Replace the compressor Did AC power voltage interruption happen Check AC power source during the compressor in operation? Replace INVERTER PCB 4-20 Samsung Electronics...

  • Page 43: E466: Dc Link Over Voltage/ Low Voltage Error

    Is each contact resistance normal? Replace M/C (less than 0.1ohm) Does the error reappear frequently Replace INVERTER PCB The cause of this error may be power source trou- ble as like power interruption. Check the power source. Samsung Electronics 4-21...

  • Page 44: Pipe Blocking Error (Error Code: E422)

    After that, the refrigerant leakage. recharge. Check the temperature value through Check the fault in the indoor unit EVA S-NET, etc. and then if there is a fault, replace sensor and the connection state. and reconnect. 4-22 Samsung Electronics...

  • Page 45: The Others

    7. Outdoor overload protection control (at the stop of the compressor.) : E404 • Check whether the fan and the motor operate normally. • Check the operation of EEV. • Check the temperature sensor of the indoor unit heat Exchanger. • Check the indoor unit inlet blocking. Samsung Electronics 4-23...

  • Page 46: Setting An Indoor Unit Installation Option

    RESERVED RESERVED RESERVED RESERVED SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 External control External control RESERVED RESERVED RESERVED output SEG19 SEG20 SEG21 Heating setting RESERVED compensation ▶ Heating setting compensation (SEG21) is applied to Heat pump model only. 4-24 Samsung Electronics...

  • Page 47: Pcb Diagram

    5. PCB Diagram 5-1 Indoor unit 5-1-1 Main PCB ▶ This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 48 ⑨ ⑩ CN61-STEP UP/DOWN CN63-STEP LEFT/RIGH #1 : DC 12V #1 : DC 12V #2 : UB_12B' #2 : UB_12B' #3 : UB_12A' #3 : UB_12A' #4 : UB_12B #4 : UB_12B #5 : UB_12A #5 : UB_12A Samsung Electronics...

  • Page 49: Power Pcb

    PCB Diagram and Parts List 5-1-2 Power PCB ▶ This Document can not be used without Samsung’s authorization. ① ② ③ ④ ⑤ CN02-MAIN PBA CN71-POWER CN501-BLDC MOTOR CN02-MAIN PBA CN72-AC LOAD #1 : DC12V #1 : L #1 : DC310V...

  • Page 50: Panel Pcb

    PCB Diagram and Parts List 5-1-3 Panel PCB ▶ This Document can not be used without Samsung’s authorization. ③ ① ② CN903-DISPLAY CN31-DOWNLOAD(MICOM) CN01-DOWNLOAD(Touch-IC) #1 : DC 12V #1~#20 : Download #1 : DC 5V #2 : GND #2 : GND...

  • Page 51: Main Pcb Diagram

    PCB Diagram and Parts List 5-2 OUTDOOR 5-2-1 MAIN PCB Diagram Samsung Electronics...
  • Page 52 #6 : COMM SIGNAL CN402 - HIGH PREWSSURE CN303 - COMM INDOOR CN103 - EARTH #1 : SENSOR SIGNAL #1 ~ # 2: COMM SIGNAL #1 : EARTH #2 : N.C #3 : GND #4 : DC 5V Samsung Electronics...

  • Page 53: Inverter Pcb

    PCB Diagram and Parts List 5-2-2 INVERTER PCB  AC048KXQPCC ① ② ③ ④ Reactor - A1/B1 Reactor - A2/B2 CN351 - Communication CN551 - Downloader # Reactor - A1 : WHT # Reactor - A2 : BLK #1 : RXD...
  • Page 54 #4 : DV15V CN402 : COMP. V-phase(BLU) # 2 : N-phase(SKY) #3 : GND #4 : DV15V #5 : FAN RPM CN403 : COMP. W-phase(YEL) #5 : FAN RPM #6 : FAN RPM Feedback #6 : FAN RPM Feedback Samsung Electronics...
  • Page 55 #3 : GND #4 : DV15V #2 : COMP. V-phase(BLU) #3 : GND #4 : DV15V #5 : FAN RPM #3 : COMP. W-phase(YEL) #5 : FAN RPM #6 : FAN RPM Feedback #6 : FAN RPM Feedback Samsung Electronics...

  • Page 56: Emi Pcb

    PCB Diagram and Parts List 5-2-3 EMI PCB  AC048KXQPCC / AC036KXQPCC / AC100KXADEH / AC036KXADEC ① ② ③ L1-AC POWER L phase N1-AC POWER N phase CN01-AC POWER L1 : BRN N1 : SKY-BLU #1-#3 : AC 220~240V 5-10 Samsung Electronics...
  • Page 57 PCB Diagram and Parts List  AC140KXADGH / AC048KXADGC ① ② RST-AC POWER 3phase CN100-AC POWER #R : AC 380~400V : WHT #1-#3 : AC 220~240V #S : AC 380~400V : BRN #T : AC 380~400V : BLK Samsung Electronics 5-11...

  • Page 58: Wiring Diagram

    Wiring Diagram 6. Wiring Diagram 6-1 Indoor Unit Samsung Electronics...

  • Page 59: Outdoor Unit

    Wiring Diagram 6-2 Outdoor unit  AC048KXQPCC / AC036KXQPCC / AC100KXADEH / AC036KXADEC This Document can not be used without Samsung’s authorization. Samsung Electronics...
  • Page 60 Wiring Diagram  AC140KXADGH / AC048KXADGC This Document can not be used without Samsung’s authorization. Samsung Electronics...

  • Page 61: Reference Sheet

    ->4Way : 4 , MSP Duct : DUCT (In/ STANDARD+GENERAL M , Ceiling : C Temp.+NON MODULE CEILING out) STANDARD CONSOLE DELUXE + TROPICAL FLOOR MOUNTING FAC / PAC ※ / can be removed from the buyer card if there are not enough digits. Samsung Electronics...

  • Page 62: Refrigerating Cycle Diagram

    7-2 Refrigerating Cycle Diagram  AC048KXQPCC Heat Exchanger PFE 12mm, 2X63X785, 6-1PASS, FP1.5, Louver Indoor unit Fan Motor BLDC, Sirocco, [C/H] 510/450/390 [rpm] Heat Exchanger FMC 16mm, 1R*69S*910, 2EA, FP1.4, Corrugate Outdoor unit Fan Motor BLDC, Propeller, RPM MAX : 800 [rpm]  AC036KXQPCC...
  • Page 63 BLDC, Propeller, RPM MAX : 800 [rpm]  AC100KXADEH Heat Exchanger PFE 8mm, 2X63X785, 6-1PASS, FP1.5, Louver Indoor unit Fan Motor BLDC, Sirocco, [C/H] 410/370/350 [rpm] Heat Exchanger F&T Φ7W, 2R*46S*950, FP1.7, Louver Outdoor unit Fan Motor BLDC, Propeller, RPM MAX : 830 [rpm] Samsung Electronics...
  • Page 64 BLDC, Propeller, RPM MAX : 800 [rpm]  AC036KXADGC Heat Exchanger PFE 12mm, 2X63X785, 6-1PASS, FP1.5, Louver Indoor unit Fan Motor BLDC, Sirocco, [C/H] 410/370/350 [rpm] Heat Exchanger F&T Φ7W, 2R*46S*950, FP1.7, Louver Outdoor unit Fan Motor BLDC, Propeller, RPM MAX : 830 [rpm] Samsung Electronics...
  • Page 65 China china.samsungportal.com © Samsung Electronics Co., Ltd. December. 2017. 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-00163E_1...

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