Midea 22031020000124 Service Manual Download Page 2

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Service Manual

, 2016-12

Important Safety Notice

The Maintenance Manual is only for the use of 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.

Midea Refrigerators

Technical Maintenance Manual

written approval by the Overseas Sales Corporation of Midea Refrigerators.

Summary of Contents for 22031020000124

Page 1: ...els Model No UR BCD326WE DQ 22031020000124 The picture is only for reference and specific appearance and configuration are subject to the real product Prepared by R D Lu Tao Reviewed by QA Wang Tao SV...

Page 2: ...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 Midea Refrigerators Tech...

Page 3: ...4 TERMS 13 4 1 DEFINITION OF MODEL NONE 13 4 2LOCATION OF NAMEPLATE 13 5 PRODUCT SPECIFICATION 14 5 1 TYPESPECIFICATION NONE 14 5 2 ELECTRICAL PARAMETERS 14 5 3INSIDE TEMPERATURE 14 5 4DEFROSTING PART...

Page 4: ...31 10 3TEMPERATURE TEST CIRCUIT 31 10 4FAN MOTOR CIRCUIT OF THE FREEZING CHAMBER 32 10 5REFRIGERATOR FAN MOTOR CIRCUIT NONE 32 10 6CONDENSING FAN MOTOR CIRCUIT NONE 32 10 7DAMPER MOTOR CIRCUIT NONE 32...

Page 5: ...Service Manual 2016 12 5 44 1 Safety Warning Code 1 1Warning for operation safety...

Page 6: ...Service Manual 2016 12 6 44...

Page 7: ...Service Manual 2016 12 7 44...

Page 8: ...Service Manual 2016 12 8 44 1 2Safety instruction for refrigerant...

Page 9: ...pecific appearance and configuration are subject to the real product 1 Full air cooling and frost free design 2 Electronic temperature control system with more accurate temperature control 3 The crisp...

Page 10: ...alsandbottomcushion then moveintohouseforplacement 3 Aftermovingittoappropriatelocation waitfor2hoursbe forepoweron 3 2Disassembly None The refrigerator door needs to be dismantled if it cannot enter...

Page 11: ...aced steadily adjust the footing to level it 3 5Change the door opening direction 1 Remove the hinge cover Unscrew and remove the top hinge 2 Lift the freezer door up and away from the appliance 3 Rem...

Page 12: ...screwdriver Note You must re use the screws from the pin assemblies that are removed in this step when attaching the new assemblies 6 Place the refrigerator door on the bottom hinge Ensure the door i...

Page 13: ...llation of door lock None 3 8 Adjustment to level the door None 3 9 Adjustment to shelves None 4 Terms 4 1 Definition of model None 4 2Location of nameplate The picture is only for reference and speci...

Page 14: ...iver board Motor Fan motor of the freezing chamber BLDC DC12V 4W Ventilation door of the refrigerating chamber Condensation fan Lights inside the refrigerator Lights inside the freezing chamber Lights...

Page 15: ...Service Manual 2016 12 15 44 Thermal fuse Can t be restored 77 o C Defrosting heater in freezing chamber Steel pipe 115V 200W 5 5Circuit diagram...

Page 16: ...eal product 1 Air duct components in freezing chamber 2 Air duct components in refrigerating chamber 3 Glass shelve 4 Cover plate of crisper 5 Crisper for fruit and vegetable 6 Regulating foot 7 Steel...

Page 17: ...Service Manual 2016 12 17 44 Down view Open Door Maximum open angle of door 135o...

Page 18: ...Service Manual 2016 12 18 44 The picture is only for reference and specific appearance and configuration are subject to the real product...

Page 19: ...of cooling air7 1 Refrigerating piping system 1Compressor 2Anti condensation tube 3Condenser 4Dry filter 5Capillary tube 6Evaporator 7Regenerator 8Suction tube 1Compressor The picture is only for ref...

Page 20: ...Service Manual 2016 12 20 44 7 2Circulating route of cooling air The picture is only for reference and specific appearance and configuration are subject to the real product...

Page 21: ...the bottle frame and take it out from the door liner of the refrigerator None 8 2Parts inside the refrigerator Refrigerator Fruit box cover Removethecrispercoverofref compartementaccordingto belowste...

Page 22: ...chamber 1 Loosen the hook with small normal screwdriver and pull out the switch until the wire connector reveals 8 4Air duct and fan motor Air duct components in freezing chamber All accessories in th...

Page 23: ...front cover fan motor assembly can be taken out 2 seperatethefanbladefromfanmotor pullforcibly 3 use screwdrivertoremovethescrew thenseperatethebracketfromfanmotor 4 angethefanmotor thereverseoperati...

Page 24: ...e that only the fuse needs to be replaced Defrost sensor The defrost sensor is located on top of the evaporator 1 Disconnect the connector of defrost sensor 2 Cut off the band which fixes the sensor 3...

Page 25: ...the freezer 2 Remove the sensor Ambient temperature sensor None Freezer sensor None 8 6Compressor case Rear cover and compressor case None Condenser fan moto None No rear cover None Terminal box of th...

Page 26: ...screwdriver to get the master control board and installation box components 5 Pry open the buckle of the PCB installation box with a straight screwdriver to see the PCB board 6 Remove 2 screws using a...

Page 27: ...stallation of water system None Disassembly and installation ice machine sensor None 9 Function and operation9 1 Operation panel See figure below for buttons and display arrangement of human machine i...

Page 28: ...ance methods E1 Temperature sensor fault in refrigerating chamber Yes On of LED1 and LED2 simultaneously Step 1 Check whether the terminal CN3 is well stuck pull out the terminal and re stick it in pl...

Page 29: ...r 1 2 3 4 and 5 light up and flicker in the frequency of 0 5s then the refrigerator enters into test mode After entering into test mode if no button is pressed within 25 seconds then the refrigerator...

Page 30: ...equal to or more than 0 C Self diagnosis process 1 Defrost heater is on for 2 seconds and off for 2 seconds 2 The fan is on for 10 seconds and off for 2 seconds 3 The refrigerator is refrigerating fo...

Page 31: ...ature coefficient of resistance in medium temperature The characteristic that resistance value reduces as the temperature increases is deemed to have negative slope or negative temperature coefficient...

Page 32: ...in operation fan motor or electric control panel can be replaced 10 5Refrigerator fan motor circuit None 10 6Condensing fan motor circuit None 10 7Damper motor circuit None 10 8Resistance value of the...

Page 33: ...8 4 372 23 2 188 38 1 161 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...

Page 34: ...Service Manual 2016 12 34 44 11 Troubleshooting Method 11 1 No refrigeration...

Page 35: ...Service Manual 2016 12 35 44...

Page 36: ...Service Manual 2016 12 36 44 11 2 Compressor failure...

Page 37: ...Service Manual 2016 12 37 44 11 3 Defrosting is not working...

Page 38: ...Service Manual 2016 12 38 44 11 4 Fan in the freezing chamber is abnormal Refer to this method for other fans...

Page 39: ...Service Manual 2016 12 39 44 11 5 Damper is abnormal None 11 6 Lights inside the refrigerator don t light up...

Page 40: ...nts are provided separately 12 1 Figure 12 2 List of parts and components 13Appendix 13 1Electrical Schematic Diagram Model 13 2refrigerator maintenance tooling and equipment and material Tooling No N...

Page 41: ...d 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 V...

Page 42: ...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 c...

Page 43: ...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 weld...

Page 44: ...erators If you need to get detailed technical information from the manufacturer please contact xxx midea com Refrigeration Division Overseas Sales Company Address No 176 Jinxiu Avenue Economic Technol...

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