Panasonic NR-B32SX1 Service Manual
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Panasonic NR-B32SX1 Service Manual

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TABLE OF CONTENTS

1 Safety Precautions----------------------------------------------- 2
2 Specifications ----------------------------------------------------- 5
3 General/Introduction -------------------------------------------- 6
4 Technical Descriptions ----------------------------------------- 8
6 Installation Instructions ---------------------------------------14
7 Operating Instructions-----------------------------------------16
8 Service Mode -----------------------------------------------------20
REFRIGERATOR-FREEZER
Model No.
Model No.
Model No.
Product-Color
Destination E(Europe Continental) except France
F(France)
PAGE
9 Troubleshooting Guide --------------------------------------- 24
11 Measurements and Adjustments -------------------------- 71
12 Dimensions ------------------------------------------------------- 74
13 Schematic Diagram -------------------------------------------- 75
14 Exploded View and Replacement Parts List ----------- 76
© Panasonic Corporation 2011 Unauthorized copy-
ing and distribution is a violation of law.
Order Number VESR110701CE
NR-B32SX1
NR-B32SG1
NR-B32SW1
X:Stainless
G:Inox-look
W:White
PAGE

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Summary of Contents for Panasonic NR-B32SX1

  • Page 1: Table Of Contents

    5 Location of Controls and Components ------------------12 13 Schematic Diagram -------------------------------------------- 75 6 Installation Instructions ---------------------------------------14 14 Exploded View and Replacement Parts List ----------- 76 7 Operating Instructions-----------------------------------------16 8 Service Mode -----------------------------------------------------20 © Panasonic Corporation 2011 Unauthorized copy- ing and distribution is a violation of law.

  • Page 2: Safety Precautions

    1 Safety Precautions...

  • Page 5: Specifications

    2 Specifications Model NR-B32SX1 NR-B32SG1 NR-B32SW1 Product color stainless Inox-look white Rating volume capacity Rating volume capacity 335L(Net:321) Refrigerator compartment ( PC ) 235L Freezer compartment ( FC ) External dimensions width/ depth/ height (mm) 600 x 652 x 1,866...

  • Page 6: General/Introduction

    3 General/Introduction 3.1. Flow of Refrigerant...
  • Page 7 3.2. Flow of Air 3.2.1. Inside the Fridge 3.2.2. Flow of Air Through Air Ducts (Front view)

  • Page 8: Technical Descriptions

    4 Technical Descriptions 4.1. Setting the temperature 4.1.1. Freezer compartmen At the time of purchase, the temperature is set to -18 C. Press (left) once and then press it again within 1 second. The temperature can be set. Press (left) repeatedly until the desired temperature is set. If no operation is performed for 1 second during the setting process, the indicators will flash and a beep will be heard indicating that the temperature is now set.

  • Page 9: Fridge Compartment

    4.1.2. Fridge compartment At the time of purchase, the temperature is set to 4 C. Press (right) once and then press it again within 1 second. The temperature can be set. Press (right) repeatedly until the desired temperature is set. If no operation is performed for 1 second during the setting process, the indicators will flash and a beep will be heard indicating that the temperature is now set.
  • Page 10 c) If 24 C  AT Sensor < 32 C FRIDGE SECTION ADJUSTED SET DAMPER ON DAMPER OFF ADJUSTED SET DAMPER ON DAMPER OFF VALUES ON VALUES VALUES VALUES ON VALUES VALUES DISPLAY DISPLAY 8 C 12 C 10 C 4 C 8 C 6 C...

  • Page 11: Defrost Control

    4.2. Defrost Control a) If AT < 13 C Defrost cycle is fixed to 16 hours (running + stopping) b) If 18 C < AT < 22 C If doors aren’t opened during defrost cycle time; defrost cycle is max. 8 hours of compressor running accumulated time or 18 hours of compressor stopping accumulated time.

  • Page 12: Location Of Controls And Components

    5 Location of Controls and Components 5.1. Display and Control Panel...
  • Page 13 5.2. Components...

  • Page 14: Installation Instructions

    If this is more convenient in your home, please contact our service centre listed on the attached sheet or access to our Web site (http://panasonic.net). We could not be held responsible if you replace the hinges by yourself.
  • Page 15 Installing the distance guides To prevent the condenser (the black backside component with fins) from touching the wall, put on two plastic distance guides in its place rotating 90. Cleaning After installation, wipe the appliance clean with warm water. Connecting the mains plug to the household mains socket You can connect the mains plug immediately after installation.

  • Page 16: Operating Instructions

    7 Operating Instructions 7.1. Functions 7.1.1. Super Freeze Mode Features : • In this mode, the freezer can be cooled rapidly, enabling the fresh foods, etc. which are placed there to be frozen. • Super Freeze Mode will automatically end after 24 hours or when the freezer sensor temper- ature becomes lower than -32 C.

  • Page 17: Eco Mode

    7.1.3. Eco Mode Features : • In this mode, the control unit operates the freezer and fridge economically. Settings : 1. Press once and Eco mode indicator lights. 2. If no operation is performed for 1 second during the setting process, the Eco mode indica- tor will flash and a beep will be heard indicating that Eco Mode is set.
  • Page 18 7.1.5. Bottle Mode Features : • Drinks can be cooled quickly in the freezer. • This mode has a timer function, and can be set to beep when the timer reaches 5, 10, 15, 20, 25 or 30 minutes. • Remove the bottles when the beep is heard. If bottles are left in the freezer for a long time, their contents could freeze and the bottles might break.

  • Page 19: Demo Mode

    7.2. Demo Mode This mode will be use for only sales points by salesman to show functions & modes to customer without operating components as a compressor, fan, motor..Etc 7.2.1. Entering Demo mode: Demo mode can only be activated within one minute of switching on/plugging in the product. •...

  • Page 20: Service Mode

    8 Service Mode 8.1. Entering service mode: Push (left) button continuously. During this time, open and close fridge door for 3 times. Bars will show error codes (service mode reaction). Symbols will be OFF. If there is no error , bars will show nothing except of SR symbol And if error is disabled during service mode, error codes will be disabled in bars.

  • Page 21: Exiting Service Mode

    4. Push Displaying actual temperatures in compartments (SC) and its bars (only the lowest bar on the right side) will blink during this mode. Freezer and fridge bars will be ON according to freezer sensor values' specification. Specification is given below. If service man pushes (left) button;...
  • Page 22 8.3. Display sign list SENSOR TEMPERATURE USER MODE REACTION SERVICE MODE REACTION (1) Freezer > +50C or < -50C Display SR & ALARM Display -16’s bar ON (sensor is short or open) (blinks) icon (2) Refrigerator > +50C or < -50C Display -18’s bar ON Buzzer sounds (sensor is short or open)
  • Page 23 Cooling error on display To prevent the wrong alarms, this alarm status is disabled on following conditions: • During the first 6 hours after the product was firstly connected. • During the defrost period • During the first two hours after a defrost •...

  • Page 24: Troubleshooting Guide

    9 Troubleshooting Guide...

  • Page 27: Disassembly And Assembly Instructions

    10 Disassembly and Assembly Instructions 10.1. Replacement of Display 2. Take out the display panel cover by using a sharp/thin tipped tool. 1. First ,stick a tape on the corner of display to prevent any scratches. 3. Try to stretch it from one side, then remove it with your hand by pulling forward.
  • Page 28 4. Take out the socket from the connector and remove the 6. Tidy up the cables before placing the display to prevent display panel assy. jamming. 5. Connect the sockets to the new display. 7. Place the display and press gently from upper and bottom corners to fit inside the display housing.
  • Page 29 10.2. Replacement of Head Panel Group and Main PCB Note: Remove Refrigerator Door beforehand. 1. Remove the head panel right cover and left cover. 3. Remove the head panel. 2. Unscrew the screws fixing the head panel. Use an appropriate screw driver head (torx)
  • Page 30 4. Disconnect all socket connections. 5. Remove the main pcb box and take out the main PCB.
  • Page 31 10.3. Replacement of Refrigerator Multiflow cover 1. Remove refrigerator multiflow caps and unscrew the screws. 6. After changing the main PCB insert the new one into the main PCB box and make the connections then mount them to the head panel. Mount the head panel to the panel housing.
  • Page 32 10.4. Replacement of Refrigerator 10.5. Replacement of Freezer Multi- Sensor flow Cover 1. Remove the refrigerator sensor cover by pulling forward. 1. Remove caps and unscrew the 4 screws shown at the picture. 2. Remove the sensor by hand. 2. Then pull multiflow cover slightly from the bottom.(In case of icing between cover and evap, do not pull the cover with full force, slightly shake the cover to brake the icing then pull.)
  • Page 33 3. After pulling the cover, flip it to the right side of the cabinet. 4. Take out the damper motor cables from the hook. 5. Remove the sealing material (putty). Note: Keep sealing material for re-sealing the connectors after replacement. 6.
  • Page 34 7. Attach the damper motor cables to the hook and make its 9. Then push multiflow cover slightly to fit its place. connection. 8. Reseal the connector with the sealing material (putty). 10. Screw and place the caps.
  • Page 35 Important Notice for F/M & Heater connection Wiring Connection Connecter housing is fixed on the surface of inner liner (Can Not change). To avoid short-circuit Not be jointed with one connecter. That is the reason of above connection. Parts of fan motor with connectors for both L &...
  • Page 36 How to replace fan motor (Summary)
  • Page 37 10.6. Replacement of Freezer Fan 3. Cut the cable tie then cut both the black lead wires which comes from white and pink color connectors. Faulty fan Motor motor can en be removed. Warning: Make sure the unit is unplugged. 1.
  • Page 38 5. Remove the propeller by pulling forward. 8. Replace the fan motor and fix the screws. 6. Unscrew the fan motor box cover screws. 9. Cut off the pink connector socket coming with the spare part. 7. Release the tabs by using a screwdriver.
  • Page 39 10. Screw the fan motor box to its place. 13. Fold part B onto part C until hook at part B is fixed. 11. Pick up the black cables coming from fan motor. 12. Place the lead wire (L) to be connected and the spare (LS) lead wire in the grooves of part C.
  • Page 40 14. Fold part A onto part B. Both left hook and right hook at part A should be fixed tightly by pressing with a pliers. 15. After connecting the two lead wires, cut the edge of lead wires using a cutter.
  • Page 41 16. Wrap the U CONNECTOR with silicon tape (brown color) 17. After connecting both cables with U-CONNECTOR , Con- 18. Tie all the cables together with cable tie as shown below. nect the pink and white connectors to the housing. 19.
  • Page 42 10.7. Replacement of Fin Evapora- tor Assy. Warning: This process needs gas defla- tion, gas re-charging and welding pro- cesses so its need to be done by trained professionals. Instructions of gas deflation, gas re-charg- ing and welding processes will be given at appendix as a separate presentation.
  • Page 43 5. Place the new Evaporator Assy. to its place, when fixing the Evaporator Assy. press it horizontally otherwise you might damage the fixing plastics. 4. Remove the evaporator by pulling forward in a horizontal direction. Do not push it up or down. You may broke the fixing plastics.
  • Page 44 Warning: This process needs gas defla- tion, gas re-charging and welding pro- cesses so its need to be done by trained professionals. Instructions of gas deflation, gas re-charg- ing and welding processes will be given at appendix as a separate presentation. 10.8.
  • Page 45 2. Cut off the cable tie ant remove the bitumen covering the 3. To take out the evaporator, tubes need to be cut with oxy- tubes. gen welding. Note: You need to protect the plastic cabinet from the fire of welding with a protector as shown in the below pictures.
  • Page 46 6. Remove the tape around defrost sensor and keep the tape for re-sealing. Remove the defrost sensor and ther- mal fuse. Warning: Operator should certainly wear gloves dur- ing evap replacement. 5. Cut the cable ties around the evaporator and sensors. 7.
  • Page 47 8. Detach the evaporator from the defrost heater. 9. Place the new evaporator and re-attach the clippers with the help of a pliers.
  • Page 48 11. Re-seal the defrost sensor and tie with the cable tie. 10. Tie the tray and thermal fuse to the evaporator with cable tie. 12. Place the new Evaporator Assy. to its place, when fixing the Evaporator Assy. press it horizontally otherwise you might damage the fixing plastics.
  • Page 49 13. Weld the pipes with oxygen welding. 15. Re-connect all the connections and re-seal the housing Note: You need to protect the plastic cabinet from the with putty. Tie the cables with cable tie and close the air- fire of welding with a protector as shown in the below flow cover.
  • Page 50 10.9. Replacement of Defrost Heater Warning: This process needs gas defla- tion, gas re-charging and welding pro- cesses so its need to be done by trained professionals. Instructions of gas deflation, gas re-charg- ing and welding processes will be given at appendix as a separate presentation.
  • Page 51 5. Cut the cable ties around the evaporator and sensors. 4. Remove the evaporator by pulling forward in a horizontal direction. Do not push it up or down. You may broke the fixing plastics. 6. Remove the tape around defrost sensor and keep the tape for re-sealing.
  • Page 52 7. Remove the black metal clippers with the help of a screw- driver. (from both sides of evaporator) 8. Detach the evaporator from the defrost heater. 9. Open the holders at the bottom of the evaporator tray to release the defrost heater.
  • Page 53 10. Detach the tray from defrost heater and Attach the new defrost heater to the tray. 11. Place the evaporator and re-attach the clippers with the help of a pliers.
  • Page 54 12. Tie the tray and thermal fuse to the evaporator with cable tie. 14. Place the new Evaporator Assy. to its place, when fixing the Evaporator Assy. press it horizontally otherwise you might damage the fixing plastics. 15. Weld the pipes with oxygen welding. Note: You need to protect the plastic cabinet from the fire of welding with a protector as shown in the below 13.
  • Page 55 16. Seal the welding point with bitumen (after they cooled down) and tie with cable tie. After welding process mount the fan motor box and make its connections with U-CONNECTOR as told in Fan Motor replacement section. 17. Re-connect all the connections and re-seal the housing with putty.
  • Page 56 Instructions of gas deflation, gas re-charging and welding Warning: This process needs to be done by trained professionals. Before starting the process take the product in a spacious and good ventilated place. 1. Brake the service tubes on compressor and dryer.
  • Page 57 2. Before welding process make sure that all gas is evacu- 4. Detach the dryer from the main tube using oxygen weld- ated from the system, shake the compressor to evacuate last remnants of gas. (You can blow air from the service tube) *** Do not perform any operations for min 30 minutes after you break the service tube.
  • Page 58 6. Insert the capillary tube at least 1 cm inside the new dryer 8. Change the service pipe of compressor with new one. and weld the connection. Note: Dryer must be changed in every time before gas charging. 7. Curl the capillary tube as in the below picture. Weld the main tube and new service tube to dryer.
  • Page 59 9. After all welding processes is done, press nitrogen from compressor and dryer service tubes to check if there any blockage. 10. Blank the service tube on dryer (with welding) and connect the gas charging machine via service tube on compressor for vac- uuming.
  • Page 60 11. Check the gas type and amount on label and charge with 13. Check every welding point with a detector or foam against appropriate type and amount of gas. any leakage. 12. After gas charge ,pinch off the service tube and blank with welding.
  • Page 61 10.10. Replacement of Thermal Fuse 10.11. Replacement of Defrost Sensor Assy. 1. Cut the cable tie. 2. Disconnect to defrost sensor connector. 1. Disconnect thermal fuse connector. (black connector) 3. You can take out the defrost sensor by removing the alu- minum tape on it.
  • Page 62 10.13. Replacement of Ambient Sensor (At the top of the cabinet) 1. Remove the ambient sensor cover by pulling forward and disconnect sensor connector. WARNING: Do not remove the black rubber tube in any case, which placed at the end of water evacuation pipe.
  • Page 63 10.14. Replacement of Freezer Glass 1. Unscrew the screw; fixing the foot. Shelf 2. Remove the freezer glass shelf. 10.15. Replacement of Door Switch 1. Insert a screwdriver into the gap and pull the door switch. 2. Disconnect the connectors. And remove the door switch.
  • Page 64 10.16. Replacement of Refrigerator 10.17. Changing The Doorway Direc- Lamp tion 1. Remove the refrigerator lamp cover by pulling forward. Warning: Make sure the unit is unplugged. 1. Unscrew the screw fixing the Top Hinge Cover and remove it. 2. Loosen the lamp and replace it. 2.
  • Page 65 4. Remove the Refrigerator Door. 7. Lie down the appliance to the back. (min: 300mm) CAUTION:Do not damage the outer condenser. 5. Unscrew the two screws which are fixing the Middle 8. Unscrew the Stationary Foot under the Bottom Hinge. Hinge and remove the Washer.
  • Page 66 10. Unscrew the Stationary Foot on the left side. 13. Screw the Stationary Foot for the right side. 14. Insert the Flat screwdriver into the gap between the Spacer and the Bottom Hinge. Then pry off the Spacer. 11. Unscrew the side panel fixing screw. Unscrew the pin of hinge, rotate the Bottom Hinge 180.
  • Page 67 16. Then screw the Bottom Hinge to the left side. 20. Put up the appliance. 21. Detach a right Bushing, and insert it in the left hole. 22. Remove a left Bushing Cap,and insert it in the left hole. 17. Screw the Stationary Foot for the left side. 23.
  • Page 68 25. Insert the new Catcher Left in left. (You can find the new 27. Turn the Middle Hinge upside down and screw it and Catcher Left in the user manuel bag) Washer to the left side. 28. Remove the Catcher Right of Refrigerator Door. NOTICE The screw hole is not open.
  • Page 69 30. Insert the new Catcher Left in left. (You can find the new Catcher Left in the user manuel bag) 33. Unscrew the Hinge Pin and rotate the pin upside down then fix it to right side of the Top Hinge. NOTICE The screw hole is not open.
  • Page 70 35. Assemble the Refrigerator Door. 38. Connect the Display Connector. 39. Mount the Top Hinge Cover and screw it. 36. Remove the Socket Cover and attach it on the right side. 37. Screw the Top Hinge fixing screws.

  • Page 71: Measurements And Adjustments

    11 Measurements and Adjustments 11.1. Component Controlling 11.1.1. Compressor: If the relay connections are open circuit they must have exchanged. It pumps the refrigerant absorbed from the cooling system to the condenser. Basically it is consist of a cylinderpiston system and an electric motor.

  • Page 72: Main Pcb

    11.1.2. Main PCB 11.1.4. Defrost Heater: Being used in electronic No-frost models. Provides control over Being used to defrost the icing formations. electrical components like compressor, heater, fan motor and damper motor. Controls the defrost time automatically through ambiance sensor. 11.1.3.
  • Page 73 11.1.6. Damper motor: 11.1.8. Thermal Fuse Control Being used in electronic no-frost models. Thermal fuse must be checked and if it is open circuit; needs to It controls the cold air coming from the freezer via air duct. be replaced. Note: Notice: When to replace damper motor;...

  • Page 74: Dimensions

    12 Dimensions...

This manual is also suitable for:

Nr-b32sg1Nr-b32sw1

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