Related Manuals for Hisense RS-18WC4SJA/CPA1
Summary of Contents for Hisense RS-18WC4SJA/CPA1
- Page 1 Contents Refrigerator Service Manual Model: (RS-18WC4SJA/CPA1) BD-140WY/HC4(E) (RS-18WC4SFA/CPA2) BD-140WYA/HC4(E) (RS-24WC4SJA/CPA1) BD-176WY/HC4(E) (RS-24WC4SFA/CPA2) BD-176WYA/HC4(E)
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Page 2: Table Of Contents
Contents 1. Warning and precautions for safety ................... 1 2. Appearance and structure ..................... 2 2.1 View of the appliance ....................2 2.2 Wind channel structure ....................4 2.3 Freezer wind channel and evaporator structure ........... 5 2.4 Compressor room structure ..................6 3. -
Page 3: Warning And Precautions For Safety
1. 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 4: Appearance And Structure
2. Appearance and structure 2.1 View of the appliance View of the appliance (RS-18WC4SJA/CPA1 and RS-18WC4SFA/CPA2） Due to unceasing modification of our products, your appliance may be slightly different from this instruction manual, but its functions and using methods remain the same. - Page 5 2. Appearance and structure View of the appliance (RS-23WC4SJA/CPA1 and RS-23WC4SFA/CPA2） Due to unceasing modification of our products, your appliance may be slightly different from this instruction manual, but its functions and using methods remain the same. If remove a drawer, please turn the wire under the drawer 180 degrees to get the best energy efficiency.
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Page 6: Wind Channel Structure
2. Appearance and structure 2.2 Wind channel structure... -
Page 7: Freezer Wind Channel And Evaporator Structure
2. Appearance and structure 2.3 Freezer wind channel and evaporator structure Temperature fuse Wing slice evaporator par wind channel cover Water drain DC motor back fan motor cover Defrost sensor part Heater Temperature sensor part Damping cement 11 Welding of evaporator outlet Welding at the inlet of evaporator... -
Page 8: Compressor Room Structure
2. Appearance and structure 2.4 Compressor room structure 1 Mainboard part (inside) Power cord 3 Dry filter Capacitor 5 Compressor grounding wire 6 Pipe lid(install at the drain spout) 7 Compressor Evaporator dish... -
Page 9: Basic Parameters
3. Basic parameters 3. Basic parameters RS-18 RS-18 RS-23 RS-18 Content Unit WC4S WC4S WC4S WC4S Voltage/frequency V/HZ 220/ 50Hz Net capacity Climate class SN=10~32℃,N=16~32℃, N/ST/T N/ST/T N/ST ST=16~38℃,T=16~43 ℃ Freezer compartment star 4 Star rating kWh/y Energy consumption / year Energy efficiency class EU A+ EU A++ EU A+... -
Page 10: Operation And Functions
4. Operation and functions 4. Operation and functions 4.1 Reversing the door... - Page 11 4. Operation and functions...
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Page 12: Display Controls
4. Operation and functions Warning! When changing the side at which the door opens, the appliance must not be connected to the mains. Remove plug from the mains beforehand. 4.2 Display controls The display panel that controls the temperature inside the freezer compartment is located inside the freezer. -
Page 13: Defrost Mode
4. Operation and functions Super Freeze Super Freeze will quickly lower the temperature within the freezer so food will freeze faster. This can lock in the vitamins and nutrients of fresh food and keep food fresh longer. ●Press “TEMP℃/Super freeze 3 ”... -
Page 14: Error Display
4. Operation and functions entered within 10 minutes after power on), exits the special function selection state. In the special function selection state, press other keys to exit the special function selection state. -- Within 10 minutes since the power on, when function 04 is selected, enter forced defrosting. - Page 15 4. Operation and functions 1. Use a Multimeter 1. The with the ohm switch Temperature to measure the Sensor is open or resistor of sensor or short circuit. temperature checking the Temperature 2. The display area connection is well or Sensor failure Temperature displays...
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Page 16: Troubleshooting
5. 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 Appliance is not chamber temperature to a colder level to solve this working... -
Page 17: Faulty Start
5. Troubleshooting warm appliance is located with insufficient clearance at the sides, back and top; or the fan motor isn’t work properly; or the pipe lid at the outlet of the drain is off. Temperature Increase the temperature by following the “Display inside is too cold controls”... -
Page 18: Refrigeration Failure
5. Troubleshooting 5.3 Refrigeration failure Is the pipe lid at drain spout OK Change the Add or change fan motor the pipe lid... - Page 19 5. Troubleshooting Is Temp. Sensor OK? Change the Temp. Sensor...
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Page 20: Thick Frost In Freezer Compartment
5. Troubleshooting 5.4 Thick frost in freezer compartment 5.5 Noise 5.5.1 Compressor noise... - Page 21 5. Troubleshooting 5.5.2 Refrigerant flowing noise...
- Page 22 5. Troubleshooting 5.5.3 Fan motor noise...
- Page 23 5. Troubleshooting 5.5.4 Pipe noise...
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Page 24: Circuit And Checking
6. Circuit and checking 6. Circuit and checking 6.1 Circuit diagram... -
Page 25: Mainboard
6. Circuit and checking 6.2 Mainboard 6.2.1 Checking method If the problem is probably caused by mainboard, check it directly to confirm. 6.2.2 Removing the mainboard 1. Unplug the appliance. 2. Remove the screw of electric box cover by screwdriver, as picture 1. 3. -
Page 26: Display Panel
6. Circuit and checking 6.3 Display panel 6.3.1 Basic parameters Rated voltage: DC5V Rated power: 0.5w 6.3.2 Checking method 1. Check the connecting wiring between display panel and mainboard. Pin No.1 to No.4 of CN6 connector on the mainboard is connected to display panel. -
Page 27: Fan Motor
6. Circuit and checking 6.4 Fan motor 6.4.1 Basic parameters Rated voltage: DC12V Rated input power: 2W 6.4.2 Checking method . Check the connecting wiring of fan motor is well or not, repair if it is broken. The freezer fan motor corresponding pin No.3~5 on CN4 connector of mainboard, 2.Pin No.4 connect 12V power and pin No.5 connect GND, if the freezer fan motor works normally, change the mainboard;... - Page 28 6. Circuit and checking Picture 4 Picture 5 Picture 6 Picture 7 Picture 8 Picture 9 Picture 10 Picture 11 Picture 12 Picture 13 Picture 14...
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Page 29: Defrost Heater
6. Circuit and checking 6.5 Defrost heater 6.5.1 Basic parameters Input voltage: AC 230V Rated power: 100W 6.5.2 Checking method 1. Enter compulsory defrost mode, use a multimeter to measure the voltage between pin No.1 and No.4 on CN2 connector of the mainboard, if the voltage isn’t equal to electric supply power, it means the mainboard is broken, change 2. -
Page 30: Temperature Fuse
6. Circuit and checking Picture 4 Picture 5 Picture 6 Picture 7 Picture 8 Picture 9 Picture 10 Picture 11 Picture 12 6.6 Temperature fuse 6.6.1 Basic parameters Max fusing-off temperature: 72°c Load voltage: 250V Load current: 10A... -
Page 31: Evaporator Defrost Sensor
6. Circuit and checking 6.6.2 Checking method se a multimeter to measure resistance between the two terminals of the temperature fuse, if it is open circuit, change the defrost heater (The fuse is integrated with the defrost heater). 6.6.3 Removing the temperature fuse The same as removing the defrost heater. -
Page 32: Door Switch
6. Circuit and checking 1. Unplug the appliance. 2. Referring to the picture 1 to picture 6 of the way of removing fan motor, then pull and take out the wind channel components as picture 1, take out the top wind channel foam as picture 2. -
Page 33: Humidity Sensor
6. Circuit and checking short circuit; when the freezer door is open, the two pins should be open circuit. If the result is abnormal, Use small iron sheet or small magnet to touch the door liner area shown as picture 1, circled in red: if the sheet or magnet they can’t be gravitated toward to door liner, replace the door, or change the door switch. - Page 34 6. Circuit and checking connecting on CN7 connector of the mainboard. 2. Use a Multimeter with the ohm switch to measure the resistor of sensor, if it is open circuit or short circuit, it means the sensor is broken, change the sensor;...
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Page 35: Pipe Lid
6. Circuit and checking 6.11 Pipe lid If there is no pipe lid at the drain spout which is on the top of the compressor, the fan motor will get a lot of ice, and the temperature inside won’t meet the requirements. - Page 36 6. Circuit and checking remove the mainboard box cover and check. 2. Check the connecting wiring between compressor and mainbord, repair if it is broken. 4. Use a multimeter to measure voltage between pin NO.2 and No.6 on CN2 connector of mainbord, if the voltage is equal to electric supply power, it means the compressor is broken, change it, if not, change the mainbord.
- Page 37 6. Circuit and checking and 3. 4. Hold the overload protector and the PTC starter, pull it out as picture 4. Picture 1 Picture 2 Picture 3 Picture 4 6.12.6 Removing the PTC starter and overload protector The method is suitable for removing the following specifications of compressor: LC58CY.
- Page 38 6. Circuit and checking Picture 3 Picture 4 6.12.7Basic parameters Input voltage:220-240V, input frequency:50Hz 6.12.8 Compressor checking 1. Unplug the appliance. 2. Use a multimeter to measure the resistance between C&M, C&S and S&M of compressor, as the picture below: These resistance values apply to compressor: HYB69MKUa.
- Page 39 6. Circuit and checking Normal range of S&M: About 62.3Ω If the measure result is not in the range, it means the inner coil has some problem and the compressor can not work properly. 6.12.9 Compressor PTC starter test Use a multimeter to measure the resistance between the two ends of PTC starter, if the result is between about 12-20Ω...
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Page 40: Cooling System Repairing
7. Cooling system and repairing 7. Cooling system repairing 7.1 Refrigeration system The refrigeration system is single cycle direct cooling system:... -
Page 41: Summary Of Repair
7. Cooling system and repairing 7.2 Summary of repair... -
Page 42: Regulation Of Repair
7. Cooling system and repairing 7.3 Regulation of repair... -
Page 43: Practical Work Of Repair
7. Cooling system and repairing 7.4 Practical work of repair... -
Page 44: Practical Work Of Repair
7. Cooling system and repairing 7.5 Practical work of repair... -
Page 45: Brazing Reference Drawing
7. Cooling system and repairing 7.6 Brazing reference drawing Suction Line Parts Capillary Drier-Filter Dew Proof Tube Compressor Process tube...
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