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Hisense BCD-543WPAZR/HC1(E) Service Manual

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Summary of Contents for Hisense BCD-543WPAZR/HC1(E)

  • Page 1 重要度 产 品 名称: 冷藏冷冻箱 产 品 BCD-543WPAZR/HC1(E) 型号： 文 件 售后服务技术资料 名称： 文 件 B08082021 编号： 编 制 2019 年 年 年 年 09 月 月 月 月 16 日 日 日 日 日期： 借 通 用 件 登 记 冰箱开发...
  • Page 2 Refrigerator Service Manual Model: BCD-543WPAZR/HC1(E) 2/ 56...

  • Page 3: Table Of Contents

    Contents 1.Warning and precautions for safety .................. 5 2. Appearance and structure ....................6 2.1 View of the appliance ..................... 6 2.2 Wind channel structure ................... 7 2.3 Evaporator structure ....................7 2.4 Compressor room structure..................8 3. Basic parameters ......................9 4.
  • Page 4 6.5.1 Basic parameters ..................44 6.5.2 Checking method ..................44 6.6 Light ........................44 6.6.1 Basic parameters ..................44 6.6.2 Checking method ..................44 6.6.3 LED light removal ..................45 6.7 Door switch ......................45 6.7.1 Basic parameters ..................45 6.7.2 Checking method ..................

  • Page 5: Warning And Precautions For Safety

    1.Warning and precautions for safety Please observe the following safety precautions in order to use safely and correctly the refrigerator and to prevent accident and danger during repair. 1. Be care of an electric shock. Disconnect power cord from wall outlet and wait for more than three minutes before replacing PCB parts.

  • Page 6: Appearance And Structure

    2. Appearance and structure 2.1 View of the appliance Door rack Vertical baffle part Water dispenser Inside Fruit and vegetable crisper Multifunctional drawer Freezer LED light Ice maker (Inside) Ice storage box (Inside) Upper freezer drawer Lower freezer drawer Adjustable bottom feet Top cover Fridge LED light (Inside) Vertical baffle guide block...

  • Page 7: Wind Channel Structure

    2.2 Wind channel structure 2.3 Evaporator structure 7/ 56...

  • Page 8: Compressor Room Structure

    － F use － A ccumulator S ensor － － H eater E vaporator － 2.4 Compressor room structure D ry filter － － P ower cord － C ompressor F an Motor － － B ottom condenser E vaporation dish －...

  • Page 9: Basic Parameters

    3. Basic parameters SPECIFICATIONS DESIGN PRESSURE HIGH SIDE / LOW SIDE 250 psig / 88 psig REFRIGERANT / AMOUNT R600a (57g) VOLUME (Refrigerator / Freezer) 20.9 (14.73 / 6.17) cu.ft RATED VOLTAGE AC115V RATED FREQUENCY 60Hz RATED CURRENT 2.4A DEFROST POWER 240W FOAMING AGENT Cyclopentane...

  • Page 10: Operation And Functions

    4. Operation and functions 4.1Display controls Your product has one control panel which is installed on the top cover, it may be different depending on the model. Use your appliance according to the following control guidelines. When the appliance is powered on for the you have set the temperature type to first time, the backlighting of the icons on Fahrenheit, the temperature settings cycle...
  • Page 11 -14°C and -24°C in one degree water filer. You can purchase the new filter decrements. through the Hisense after-sales service system. Before that, please check that the new filter is the same filter type that came with your fridge and can be correctly used in your refrigerator.

  • Page 12: Using Your Appliance

    previous setting. To save energy, please avoid keeping the Alarm door open for a long time when using the When fridge or freezer door has been appliance. The door alarm can also be opened for over 2 minutes, door alarm will cleared by closing the door.
  • Page 13 3. Use your both hands to open the door more than 90°.Lift it up and take it off. 2. Door removal In case your home access door is too narrow for the refrigerator to pass through, remove the refrigerator doors and drawers by the following instructions.
  • Page 14 1. Pull out the freezer door and the upper 5. Pull out the freezer door and lift it up in freezer drawer (A) to the final position. the direction of the arrow. Then take out the ice box (B) by lifting it up in the direction of the arrow.
  • Page 15 If the refrigerator is installed in an area 2. Using a 1/4" drill bit, drill a hole into the with low water pressure (below 30 psi), cold water line, then install the saddle-type you can install a booster pump to shutoff valve.
  • Page 16 1. Connect the water supply line to the large glass or cup against the water compression fitting (assembled with a 1/4" dispenser lever. Fill the glass, then empty tube, at the back of refrigerator). it into the kitchen sink. Repeat until you If you are using copper tubing, slip the dispense about one gallon of water.
  • Page 17 the water inlet valve of the refrigerator needs to be between 30 and 100psi (207and 700kPa).If a reverse osmosis water system is connected to your cold water supply, the water pressure to the reverse osmosis system needs to be a minimum of 40 to 60 psi (276 to 414 kPa).
  • Page 18 Putting fruits and vegetables inside the drawers helps avoid losing moisture and prevents flavor from getting into other foods. To remove a drawer: 1 Open the refrigerator door all the way. 2 Pull the drawer completely open and move it slightly toward the compartment Note: wall, then lift the drawer up and pull it out Don't push the dispenser button forward...
  • Page 19 2. Pull the water filter (A) from the filter 4. Push the filter, and then turn it holder (B). clockwise until it locks. If you have trouble inserting the water filter because of high water pressure, shut Note: To change the water filter easily, shut off off the water supply valve.
  • Page 20 Do not dispense the entire 2.5 gallon Caution: amount continuously. Depress The ice made by the ice maker first release the dispenser pad for cycles of 30 batches cannot be used for eating or seconds ON and 60 seconds OFF. drinking cause it is unhealthiness.
  • Page 21 2. Disassemble two fixed screws with a cross screwdriver (+). 5.3 Remove the water pipe connector part 1. Remove the ice maker part. 3. Pull out the ice maker part. 2. Unplug the terminal. 3. Remove wire line from two buckles in the direction of arrow one by one.
  • Page 22 6. Disassemble the fixed screw with a 6. Frost removal cross screwdriver (+). Although this appliance automatically defrosts, a layer of frost may occur on the freezer compartment’s interior walls if the freezer door is opened frequently or kept open too long. If the frost is too thick, choose a time when the freezer is nearly empty and proceed as follow: 1.

  • Page 23: Defrost Mode

    4.3Defrost mode 4.3.1 Start condition When compressor accumulated running time reach the setting point (depends on the environment temperature), it will enter defrost mode automatically. 4.3.2 Defrost flow Start Compressor stops Defrost heaters work Evaporator temprature reach the setting point,exit defrost mode Defrost heaters stop Compressor starts several minutes delay...

  • Page 24: Error Display

    4.4 Error display 4.4.1 Error Code Code Display area Problem Refrigerator temperature Environment sensor display area malfunctions Refrigerator temperature Refrigerator sensor display area malfunctions Refrigerator temperature Refrigerator defrost sensor display area malfunctions Freezer temperature Freezer sensor display area malfunctions Freezer temperature Freezer defrost sensor display area malfunctions...
  • Page 25 4.4.2.1 Environment sensor or Humidity sensor error 4.4.2.2 Ice maker sensor error 25 / 56...
  • Page 26 4.4.2.3 Other sensors error Note: 1. Refrigerator sensor corresponding pin No. 8 and No. 12 on CN4 connector of main-board. 2. Freezer sensor corresponding pin No.9 and No. 12 on CN4 connector of main-board. 3. Freezer defrost sensor corresponding pin No. 10 and No. 12 on CN4 connector of main-board.
  • Page 27 4.4.2.4 Ice maker error Eb error: 1. Check the connecting wiring between main-board and ice maker (corresponding pin No. 7~10 on CN5 connector of main-board, as the drawing below, and repair if it is broken. 2. Input 12V power to pin No.7 and No.8 on CN5 connector of mainboard, check the ice maker can positive rotating(Red wiring connect power, white wiring connect GND) and negative rotating (white wiring connect power, red wiring connect GND) normally or not.
  • Page 28 Note: The display panel corresponding pin No.5~8 on CN7 connector of the main-board as the drawing below. 4.4.2.6. Fan error 1. Check the connecting wiring of fan motor is well or not, repair if it is broken. The freezer fan motor corresponding pin No. 13~15 on CN4 connector of main-board, as the drawing below.
  • Page 29 4.4.2.7. Flow sensor error 1. Check the water supply whether ok, if water supplied ok then check the connecting wire. The flow sensor corresponding pin No. 9~11 on CN7 connector of main-board, as the drawing below. If the wire is broken, repair the wiring otherwise change the main-board or the water valve.

  • Page 30: Troubleshooting

    5. Troubleshooting 5.1 Common problem and checking Problem Possible cause & Solution Check whether the power cord is plugged into the power outlet properly. Check the fuse or circuit of your power supply, replace if necessary. The ambient temperature is too low. Try setting the chamber Appliance is not working temperature to a colder level to solve this problem.
  • Page 31 for a long time. Check that the air outlets are not blocked by food and ensure A layer of frost occurs in food is placed within the appliance to allow sufficient the compartment ventilation. Ensure that door is fully closed. To remove the frost, please refer to "Frost removal"...

  • Page 32: Faulty Start

    5.2 Faulty start 32 / 56...

  • Page 33: Refrigeration Failure

    5.3 Refrigeration failure 5.3.1Freezer compartment 33 / 56...

  • Page 34: Refrigerator Compartment

    5.3.2 Refrigerator compartment 34 / 56...

  • Page 35: Thick Frost In Freezer Compartment

    5.4Thick frost in freezer compartment Start Is dew formed on the door Gap between Gasket Change the door gasket gasket surface? and cabinet? Is door hanged Reassemble the door down? Do doors open frequently? Explain not to open doors too frequently Is the appliance too close to heat sources?

  • Page 36: Dew In Refrigerator Compartment

    5.5Dew in refrigerator compartment Start Is dew formed on the door Gap between Gasket Change the door gasket gasket surface? and cabinet? Is door hanged Reassemble the door down? Do doors open frequently? Explain not to open doors too frequently Is the appliance too close to heat sources?

  • Page 37: Breaking Of Light

    5.6Breaking of light 37 / 56...

  • Page 38: Pipe Noise

    5.7Pipe noise 38 / 56...

  • Page 39: Circuit And Checking

    6. Circuit and checking 6.1 Circuit diagram 6.2 Mainboard 6.2.1 Checking method 39 / 56...

  • Page 40: Removing The Mainboard

    If the problem is probably caused by the mainboard, change it directly to confirm. 6.2.2 Removing the mainboard 1. Unplug the appliance 2. Remove the screws by screwdriver and remove the electric box cover, as picture 1. 3. Remove the screw, then remove the mainboard, as picture 2. Picture1 Picture2 6.3 Compressor...

  • Page 41: Removing The Drive Board

    6.3.3 Removing the drive board Attention: Before you removing the drive board, please unplug the appliance. Step 1. Remove the (a) screw of the drive board box by screwdriver.(pic.(1)) Step 2.Remove the drive board box following the picture (2~4). Step 3.Remove the black installation clip (b) by screwdriver following the picture (5) Step 4.Remove the white installation clip (c) by screwdriver following the picture (6) Step 5.

  • Page 42: Fan Motor

    6.4 Fan motor 6.4.1 Basic parameters Rated voltage: F.FAN: DC12V C.FAN: DC12V 6.4.2 Checking method 1. Check the connecting wiring of fan motor is well or not, repair if it's broken. The freezer fan motor corresponding pin No. 13~15 on CN4 connector of main-board, as the drawing below.

  • Page 43: Removing The Freezer Fan Motor

    Step 5: Peel off the foam strip (6), aluminum foil (7) and foam block (8). Step 6: Remove the wind gate foam cover (9). Step 7: Remove the fridge electric wind gate (10). 6.4.4 Removing the freezer fan motor Step 1: Remove the freezer door (refer to "Door removal" part). Step 2: Remove the two screws (1) holding the freezer air duct with a Philips screwdriver, and then remove the wire connectors(2) and freezer air duct.

  • Page 44: Damper (Electric Wind Gate)

    6.5 Damper (Electric wind gate) 6.5.1 Basic parameters Rated voltage: DC12V Rated current: 60mA 6.5.2 Checking method 1. Check the connecting wiring of the damper is well or not, repair if it is broken. The damper corresponding pin No.1~6 on CN6 connector of mainboard, as the drawing below. 2.

  • Page 45: Led Light Removal

    6.6.3 LED light removal 1. Unplug the appliance. 2. Remove the light cover, as picture 1. 3. Remove the light, as picture 2. Picture1 Picture2 6.7 Door switch 6.7.1 Basic parameters Load voltage: DC5V Load current: 0.05A 6.7.2 Checking method 1.Check the connecting wiring of door switch is well or not, repair if it is broken.

  • Page 46: Defrost Heater

    Refrigerator freezer door switch corresponding pins as the drawing below. 2.The fridge doors switch is corresponding pin No.4 and No.6 on 15 pins connector of mainboard, as the drawing below. Check the magnet on the fridge doors is dropped out or not.

  • Page 47: Checking Method

    6.8.2 Checking method 1.Check the connecting wiring of the defrost heaters are well or not, repair it if it is broken. Feezer defrost heaters corresponding pins as the drawing below. 2.Enter compulsory defrost mode, use a multimeter to measure the voltage between pin No.2 and No.7 on CN2 connectors of the mainboard, if the voltage doesn’t equal to electric supply power, it means the heater is broken, change it.

  • Page 48: Water System

    6.10 Water system 6.10.1 Schematic diagram of water system 48 / 56...

  • Page 49: Water System Out Of The Freezer Room

    6.10.2 Water system out of the freezer room 1—Pipe cover 2—Connector Nut 3—Tap Water Joint Connector 4—Water tube (white, flow into the water filter) 5—Installation clip 6—Water tube (white, flow out the water filter, flow into motorized valve) 7—Water supply inlet cover 8—Icemaker inlet cover 9—Water tube (white, flow into the water tank in fridge room) 10—Water tube (blue, flow into the icemaker in freezer room)

  • Page 50: Water System In The Fridge Room

    6.10.3 Water system in the fridge room 9—Water tube (white, flow into the water tank in fridge room) 14—Water tank 15—Water valve (DC12V) 16—Water tube (white, flow from water tank to the dispenser on fridge wall) 6.11 Ice maker 6.11.1 Checking method Step 1.Check water line connected well.
  • Page 51 Step 2. Remove the screw holding the ice checking pole with a cross screwdriver (+). Step 3. Pull out in the direction of arrow A, and push down in the direction of arrow B; then take the electronic motor out. Step 4.

  • Page 52: Cooling System Repairing

    7. Cooling system repairing 7.1 Refrigeration system The refrigerator system is Single cooling system: Compressor discharges high temperature high pressure R600a gas refrigerant Refrigerant enters anti-condensation pipe ， bottom condenser and condenser, and one after another, then becomes middle temperature high pressure liquid after condensation Refrigerant enters dry filter,water and imperity will be filtrated...

  • Page 53: Summary Of Repair

    7.2 Summary of repair 53 / 56...

  • Page 54: Regulation Of Repair

    7.3 Regulation of repair 54 / 56...

  • Page 55: Practical Work Of Repair

    7.4 Practical work of repair 55 / 56...

  • Page 56: Brazing Reference Drawing

    7.5 Brazing reference drawing Refrigerant flowing direction Welding point 56 / 56...

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