Toshiba 22031020002961 Service Manual Download Page 21 | Manualshive

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Service Manual

, 2017-8

21

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51

7.Refrigerating piping system and circulating route of cooling air

7.1

Refrigerating piping system

1Compressor→2Anti-condensation

tube→3Condenser→4Dry

filter→5Capillary

tube→6Evaporator→7Regenerator→88 Suction tube→1Compressor

(The picture is only for reference, and specific appearance and configuration are subject to the real

product)

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Summary of Contents for 22031020002961

Page 1: ...vice Manual 2017 8 1 51 Service Manual Applicable Models Model No CE BCD308WE2 JT 22031020002961 The picture is only for reference and specific appearance and configuration are subject to the real product ...

Page 2: ...f maintenance personnel with certain experience and background in electrical electronic and mechanical field Any attempt to repair main devices may lead to personal injury and property loss Manufacturers or distributors are not responsible for the content of the Manual and interpretation thereof ...

Page 3: ...RMS 15 4 1 DEFINITION OF MODEL NONE 15 4 2LOCATION OF NAMEPLATE 15 5 PRODUCT SPECIFICATION 16 5 1 TYPESPECIFICATION NONE 16 5 2 ELECTRICAL PARAMETERS 16 5 3INSIDE TEMPERATURE 16 5 4DEFROSTING PARTS 16 5 5CIRCUIT DIAGRAM 17 6 INTERNAL VIEW AND DIMENSION 18 6 1MAIN PARTS AND THEIR NAMES 18 6 2EXTERNAL DIMENSION 19 7 REFRIGERATING PIPING SYSTEM AND CIRCULATING ROUTE OF COOLING AIR 21 7 1 REFRIGERATIN...

Page 4: ...EMPERATURE TEST CIRCUIT 37 10 4FAN MOTOR CIRCUIT OF THE FREEZING CHAMBER 38 10 5REFRIGERATOR FAN MOTOR CIRCUIT NONE 39 10 6CONDENSING FAN MOTOR CIRCUIT NONE 39 10 7DAMPER MOTOR CIRCUIT 39 10 8RESISTANCE VALUE OF THE SENSOR R T 39 11 TROUBLESHOOTING METHOD 40 11 1 NO REFRIGERATION 40 11 2 COMPRESSOR FAILURE 42 11 3 DEFROSTING IS NOT WORKING 43 11 4 FAN IN THE FREEZING CHAMBER IS ABNORMAL 45 11 5 DA...

Page 5: ...Service Manual 2017 8 5 51 1 Safety Warning Code 1 1Warning for operation safety ...

Page 6: ...Service Manual 2017 8 6 51 ...

Page 7: ...Service Manual 2017 8 7 51 ...

Page 8: ...Service Manual 2017 8 8 51 1 2Safety instruction for refrigerant ...

Page 9: ... and specific appearance and configuration are subject to the real product 1 Full air cooling and frost free design 2 Electric damper three Temp control 3 Refrigerator with fruit ice box chiller chamber increase the foods freshness time 4 Drawers can be fully opened when doors are in 90 5 The whole ceiling lamp gradually bright lighting effects ...

Page 10: ...ftermovingittoappropriatelocation waitfor2hoursbe forepoweron 3 2Disassembly None The refrigerator door needs to be dismantled if it cannot enter the room in the whole 3 3 Installation location Location that is easy for ventilation shall be chosen to facilitate heat dissipation enhance its performance and reduce the energy consumption 3 4 Leveling of the refrigerator If the refrigerator cannot be ...

Page 11: ...efrigerator door up and away from your refrigerator 4 Unscrew the two screws holding the center hinge remove the hinge then lift the refrigerator door up and away from your refrigerator Save the screws to reuse 5 Unscrew the two screws holding the bottom hinge then remove the bottom hinge from the bottom right side of the refrigerator 6 Unscrew the hinge pin from the right side of the bottom hinge...

Page 12: ...1 7 Remove the hole cap from the top left and the shaft sleeve from the top right of the freezer door and insert it in the other side 8 Remove the door block from the bottom right side of the door and attach it to the other side ...

Page 13: ...ne to the other side 12 Put the refrigerator door onto the center left hinge then attach the top left hinge to the top of refrigerator Connect the signal wire terminals with the door and box body Connect the signal wire terminals in the right terminal block Cover the hinge with the top left hinge cover and cover the screw holes on the right side of the top with the cover plate you previously remov...

Page 14: ...r slightly The refrigerator must be disconnected from the source of electrical supply before attempting the installation of accessory Schematic diagram of handle installation Design sketch of installed handle 3 7 Installation of door lock None 3 8 Adjustment to level the door None 3 9 Adjustment to shelves None ...

Page 15: ...ervice Manual 2017 8 15 51 4 Terms 4 1 Definition of model None 4 2Location of nameplate The picture is only for reference and specific appearance and configuration are subject to the real product Label ...

Page 16: ...5W Ventilation door of the refrigerating chamber DC12V Condensation fan Lights inside the refrigerator Lights inside the freezing chamber Lights inside the refrigerating chamber LED DC12V Switch of the refrigerator door Mechanical switch sector 5 3Inside temperature Temperature tolerance 2 o C Compartment The highest o C Lowest o C Freezing 12 26 Refrigerating 10 1 Variable temperature 3 3 5 4Defr...

Page 17: ...Service Manual 2017 8 17 51 5 5Circuit diagram ...

Page 18: ...2017 8 18 51 6 Internal view and dimension 6 1Main parts and their names The picture is only for reference and specific appearance and configuration are subject to the real product 1 2 3 4 5 6 7 7 8 9 7 10 11 1 12 13 ...

Page 19: ...ruit and vegetable 4 Cover plate of crisper 5 Crisper for fruit and vegetable 6 F upper drawer assembly 7 Glass shelf 8 Glass shelf 9 F bottom drawer assembly 10 R big bottle frame 11 R small bottle frame 12 R small bottle frame 13 Door handle 6 2External dimension Front view Side view Down view Open Door ...

Page 20: ...Service Manual 2017 8 20 51 Maximum open angle of door 135o The picture is only for reference and specific appearance and configuration are subject to the real product ...

Page 21: ...of cooling air 7 1 Refrigerating piping system 1Compressor 2Anti condensation tube 3Condenser 4Dry filter 5Capillary tube 6Evaporator 7Regenerator 88 Suction tube 1Compressor The picture is only for reference and specific appearance and configuration are subject to the real product ...

Page 22: ...Service Manual 2017 8 22 51 7 2Circulating route of cooling air The picture is only for reference and specific appearance and configuration are subject to the real product ...

Page 23: ... the door seal out of door liner Door tray Lift up the bottle frame and take it out from the door liner of the refrigerator rollover beam None 8 2Parts inside the refrigerator Refrigerator Up Fruit box cover Removethecrispercoverofref compartementaccordingto belowsteps 1 takeoutthecrisperfirstly 2 Pulloutthecrispercovercompletely Refrigerator Below Fruit box cover ...

Page 24: ... and then pull out it Shelves Pull out the partition plate completely 1 Lift it up and take it out from the refrigerator Ice tray None Drawer None 8 3Light system Light Light of the refrigerating chamber is located upper chamber 1 Remove the lamp cover 2 Remove the LED lamp 3 Remove the LED lamp terminal The reverse process can complete installation Light switch ...

Page 25: ...ezing chamber should be dismantled before removing the air duct components 1 Remove 2 screws on the cover plate of the freezing air duct using a cross screwdriver 2 Pull out it from the bottom of freezer chamber air duct 3 Pull out the connector terminal of the fan motor Fan motor 1 Make air duct aluminum foil be away from the back cover of air duct 2 Remove the back cover of bottom air duct assem...

Page 26: ... the electric damper 8 5Evaporator and temperature sensing system Evaporator in freezing chamber 1 Remove the air duct components in freezing chamber 2 Disconnect all connectors 3 Remove the welding on inlet and outlet tubes 4 Remove two screws which are used to fix the evaporator and remove the evaporator Components on the evaporator ...

Page 27: ...ensor and the evaporator Don t break the welding of the evaporator in case that only the sensor needs to be replaced Defrost heater The defrost heater is located at bottom of the evaporator 1 Disconnect the connector of defrost heater 2 Cut off the band which fixes the defrost heater 3 Take off the defrost heater from the evaporator Don t break the welding of the evaporator in case that only the d...

Page 28: ...ed in the wire box of the refrigerator top and sends temperature signal to microprocessor As the sensor connected to the main wire if you need to replace you must cut the wire Freezer sensor 1 Disassembly air duct cover and foam 2 Disassembly freezer sensor 8 6Compressor case Rear cover and compressor case None Condenser fan moto None Standby condenser None Piping system in the compressor case ...

Page 29: ...ary 7 Suction 8 Suction connection tube 9 Power wiring box Starter and protector of the compressor 1 Remove the screws 1 Two screws outside 2 One screw inside 2 Remove the clipping strip Slowly pull it out 3 Remove the protective cover 1 Pry the protective cover slowly from the upper part 2 Pull it out and remove it ...

Page 30: ...t outwards until the display panel assembly separated from the door 2 disconnect the wiring connector 3 dismantle the display PCB it is possible to damage the box of display panel if operate improperly we advise to prepare a new box before conduct this operation Main control board 1 remove the screw anticlockwise then remove the PCB housing cover 2 Remove the screw anticlockwise 3 Disconnect all o...

Page 31: ...y and installation of water valve None Disassembly and installation of water tank None 8 10 Ice maker None Disassembly and installation of ice maker None Disassembly and installation of water system None Disassembly and installation ice machine sensor None 9 Function and operation 9 1 Operation panel See figure below for buttons and display arrangement of human machine interface ...

Page 32: ...pectively When the error occurs the display panel shows the error code see next page during normal running the display panel shows the set temperature of refrigerating chamber freezing chamber Under normal running if there is no operation or opening door action within 30s the display panel will be locked the light of display panel will go out after the locked state continued for 30s 9 3 Lock and u...

Page 33: ...f cool for 3s The icon go out exit power cool mode The set temperature of refrigerating chamber will automatically switch back to set temperature before When set vacation mode exit power cool mode Quick freezer mode set Click the button of freeze for 3s to set power freeze mode The icon lights up The refrigerating chamber temperature display 24 enter the Power freeze mode Under power freeze mode c...

Page 34: ... board E5 Fault of F frost sensor Step 1 Check whether the terminal CN5 is well stuck pull out the terminal and re stick it in place Step 2 Check to see if there re foreign matters on the terminal Step 3 inspect the defrost sensor whether contact is bad and resend contact the fast connector Step 4 Replace main control board E6 Communication failure Step 1 Check whether the terminal CN9 is well stu...

Page 35: ...g mode In mandatory cooling mode 1 on display panel click the vacation button The display panel indicates 3 the refrigerator enters in mandatory defrost mode the compressor and fan stops working and the air damper is closed In mandatory defrost mode when the temperature of defrost sensor arrives 12 and the defrost heater has worked for 3 minutes The refrigerator will exit mandatory defrost mode an...

Page 36: ...s refrigerating for 15 minutes Exit out of self diagnosis 1 Stop self diagnosing and turn into normal mode 2 Failure occurs to the sensor during self diagnosis and exit out of self diagnosis mode 3 Set forced defrosting function during self diagnosis ...

Page 37: ...ter passing through the adjustor 7805 to power for the main control chip and thus monitor the temperature changes in refrigerator 10 2Door trip test circuit None The door switch input circuit is used to detect the refrigerator door open or not the circuit module Chip I O PORT port by testing the continuous high level 5V to determine whether the door is open And then drive the relevant load 10 3Tem...

Page 38: ...There is following computing formula for the sensor Sampling voltage reference voltage R1 RNTC R1 AD value reference AD value R1 RNTC R1 The reference voltage is 5V RNTC is the resistance value of the sensor R1 is R31 R32 R33 in schematic diagram that is 5 1K 10 4Fan motor circuit of the freezing chamber The fan in the freezing chamber is running when the compressor is operating Check 12V and FAN ...

Page 39: ... max is 100mA Take 4 is one cycle if positive rotation it controls according to above photo step 1 4 if reverse rotation it controls according to step 4 1 10 8Resistance value of the sensor R T Tx R KΩ Tx R KΩ Tx R KΩ Tx R KΩ Tx R KΩ 30 33 81 15 14 31 0 6 495 15 3 141 30 1 617 29 31 85 14 13 55 1 6 175 16 2 999 31 1 55 28 30 01 13 12 83 2 5 873 17 2 865 32 1 486 27 28 29 12 12 16 3 5 587 18 2 737 ...

Page 40: ...61 21 20 01 6 8 841 9 4 167 24 2 094 39 1 115 20 18 9 5 8 392 10 3 972 25 2 005 40 1 071 19 17 87 4 7 968 11 3 788 26 1 919 41 1 029 18 16 9 3 7 568 12 3 613 27 1 838 42 0 9885 17 15 98 2 7 19 13 3 447 28 1 761 43 0 9506 16 15 12 1 6 833 14 3 29 29 1 687 44 0 914 11 Troubleshooting Method 11 1 No refrigeration ...

Page 41: ...Service Manual 2017 8 41 51 ...

Page 42: ...Service Manual 2017 8 42 51 11 2 Compressor failure ...

Page 43: ...Service Manual 2017 8 43 51 11 3 Defrosting is not working ...

Page 44: ...Service Manual 2017 8 44 51 ...

Page 45: ... 2 Poor fan installation leaf contact with the inner board of the foam or touch the line 3 Insurance circuit of the fan wiring 4 The timer is not reset in the defrost position 5 The wire terminals inside the machine compartment connector or control board connector are loose 6 The door switch itself is defective or the circuit board is defective electronic refrigerator Refer to this method for othe...

Page 46: ...Service Manual 2017 8 46 51 11 5 Damper is abnormal 11 6 Lights inside the refrigerator don t light up ...

Page 47: ...repair parts Documents are provided separately 12 1 Figure 12 2 List of parts and components 13Appendix 13 1Electrical Schematic Diagram Model CE BCD308WE2 ST 13 2refrigerator maintenance tooling and equipment and material Tooling No Name Photo Main Usage ...

Page 48: ...ver scraper screw and rivet assemble and disassemble 3 Socket spanner 5 16 hinge and compressor screw assemble and disassemble 4 Sucker display panel and air duct cover disassemble 5 Allen wrench 2 8 4mm handle assemble and disassemble 6 Vise grip pliers sealing process tube 7 Pipe cutter pipe cutting ...

Page 49: ...sistive tool 10 Capillary tube scissors Shear capillary Equipment No Name Photo Main Usage 1 Vacuum pump vacuum pumping 2 Electronic scale weighing refrigerant gas 3 High pressure nitrogen with piezometer pipe and cooling system condenser evaporator etc impurities clean ...

Page 50: ...umorchargerefriger antwillbeused 6 hand leak detector welding point leakage detect if no use soap suds material No Name Photo Main Usage 1 Process pipeline Chargetherefrigerant 2 Dry filter Involving a system failure to be replaced 3 Copper welding rod tube welding 4 Refrigerant gas Add refrigerant to the system ...

Page 51: ...Service Manual 2017 8 51 51 5 Sealing tape door fixing for reversible door option ...

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