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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.

Содержание 22031010000841

Страница 1: ...10000981 UL BD594WE ST 92031010Z00041 UL BD594WE ST 92031010Z00042 UL BD481WE ST 92031010Z00043 UL BD481WE ST 92031010Z00045 The picture is only for reference and specific appearance and configuration...

Страница 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...

Страница 3: ...9 ADJUSTMENT TO SHELVES NONE 11 4 TERMS 12 4 1 DEFINITION OF MODEL NONE 12 4 2LOCATION OF NAMEPLATE 12 5 PRODUCT SPECIFICATION 13 5 1 TYPESPECIFICATION NONE 13 5 2 ELECTRICAL PARAMETERS 13 5 3INSIDE...

Страница 4: ...N MOTOR CIRCUIT NONE 35 10 6CONDENSING FAN MOTOR CIRCUIT NONE 35 10 7DAMPER MOTOR CIRCUIT NONE 35 10 8RESISTANCE VALUE OF THE SENSOR R T 35 11 TROUBLESHOOTING METHOD 37 11 1 NO REFRIGERATION 37 11 2 C...

Страница 5: ...Service Manual 2016 12 5 47 1 Safety Warning Code 1 1Warning for operation safety...

Страница 6: ...Service Manual 2016 12 6 47...

Страница 7: ...Service Manual 2016 12 7 47...

Страница 8: ...Service Manual 2016 12 8 47 1 2Safety instruction for refrigerant...

Страница 9: ...cture is only for reference and specific appearance and configuration are subject to the real product 1 Support WIFI 2 Electrical temperature control and LED display screen 3 Mode conversion of refrig...

Страница 10: ...termovingittoappropriatelocation 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 Locatio...

Страница 11: ...to drive into the screw hole on the door body and tighten it 2 Align the screw hole on the handle with the tightened to fix the handle 3 Tighten on the handle side 4 Put onto the handle side hole to...

Страница 12: ...Service Manual 2016 12 12 47 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...

Страница 13: ...ad protector OLP 4TM302TFBYY 4TM319TFBYY QRB31T61A1 Winding resistance of compressor wiring terminal Rmc 10 20 Rsc 30 50 Rms Rmc Rsc Rmc 10 20 Rsc 30 50 Rms Rmc Rsc Rmc 10 20 Rsc 30 50 Rms Rmc Rsc Var...

Страница 14: ...efrigerating Variable temperature 5 4Defrosting parts Defrosting period Initial defrosting period Normal defrosting period Defrosting sensor NTC B3839 Thermal fuse Can t be restored 77 o C Defrosting...

Страница 15: ...Service Manual 2016 12 15 47 6 Internal view and dimension 6 1Main parts and their names UL BD481WE ST UL BD594WE ST...

Страница 16: ...elf big 3 FRZ air duct component 4 Steel wire shelf small 5 Steel wire drawer 6 adjustable feet 7 Door tray8 Door tray9 Door tray The picture is only for reference and specific appearance and configur...

Страница 17: ...Service Manual 2016 12 17 47 The picture is only for reference and specific appearance and configuration are subject to the real product Down view Open Door Maximum open angle of door 135...

Страница 18: ...g system 1Compressor 2Exhaust transition pipe 3Left condenser 4Anti condensationg tube 5Back condenser 6Right condenser 7Dry filter 8Capillary tube 9Evaporator 10Suction pipe 11Return transition pipe...

Страница 19: ...Service Manual 2016 12 19 47 7 2Circulating route of cooling air The picture is only for reference and specific appearance and configuration are subject to the real product...

Страница 20: ...Take 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 Fruit...

Страница 21: ...ed screwdriver to insert into the gap dismantle the lamp 2 loosen the plasic clip dismantle the lamp PCB UL BD386WE SQ_22031010000841 Light of the freezer chamber is located upper chamber 1 Losen the...

Страница 22: ...air duct cover 2 hold the upper position of air duct cover and pull it our slightly it should be very careful for avoiding the wiring harness connector be damaged if overexert 3 unplug all wiring con...

Страница 23: ...ve the rear cover outwards 2 Hold the edge of cover and dismantle it from the refrigerator 3 Dismantle the screw move the fan motor from the refrigerator 4 Replace the fan motor the inverse operation...

Страница 24: ...f the band which fixes the sensor 3 Separate the sensor 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...

Страница 25: ...nser fan moto None Terminal box of the compressor None Standby condenser None Piping system in the compressor case 1 Compressor 2 Exhaust transition pipe 3 Left condenser 4 Anti condensationg tube 5 B...

Страница 26: ...t 2 Pull it out and remove it 4 Remove the starter and protector Unplug the starter and protector you can use a screwdriver to pry it slowly 5 The reverse process can complete installation 8 7Display...

Страница 27: ...move the fixed screw pull out the main control boardDisconnect the connector of main control board 8 8 Bar counter None Disassembly and installation of bar counter None Disassembly and installation ba...

Страница 28: ...Service Manual 2016 12 28 47 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...

Страница 29: ...display screen will continue scintillation 30s and then exit set condition 9 2 2 Temperature adjustment button E warmer Press temperature adjustment button E to set the temperature to warmer Press th...

Страница 30: ...requency of 1 HZ then call 10 seconds in every 30 minutes When the sensor temperature lower than 12 alarm release operate any button to cancel the buzzer alarm 2 Freezing function When the sensor temp...

Страница 31: ...to check whether the whether the wiring harness connected well Step2 change the main PCB Step3 change the display PCB E7 F room high temp alarm E7 Step 1 to check whether the CN8 wiring connector con...

Страница 32: ...test the deforest heater capacity For after sales service this mode is used for deforest heater activate problem check Using for ex factory and after sales service test Can not be canceled 9 1Self di...

Страница 33: ...mperature changes in refrigerator DC12V through the DCDC regulator chip TPS5403 output stable 3 3V voltage to the wifi module supply power 10 2Door trip test circuit 5V voltage cross the R39 and come...

Страница 34: ...ed as NTC thermistor The resistance value changes sensitively with temperature and typically changes 7 3 per degree centigrade Sensor used in the refrigerator is NTC thermistor There is following comp...

Страница 35: ...10 6Condensing fan motor circuit None 10 7Damper motor circuit None 10 8Resistance value of the sensor R T Tx R K Tx R K Tx R K Tx R K Tx R K 30 33 81 15 14 31 0 6 495 15 3 141 30 1 617 29 31 85 14 13...

Страница 36: ...36 47 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...

Страница 37: ...Service Manual 2016 12 37 47 11 Troubleshooting Method 11 1 No refrigeration...

Страница 38: ...Service Manual 2016 12 38 47 11 2 Compressor failure...

Страница 39: ...Service Manual 2016 12 39 47 11 3 Defrosting is not working...

Страница 40: ...Service Manual 2016 12 40 47 11 4 Fan in the freezing chamber is abnormal Refer to this method for other fans...

Страница 41: ...Service Manual 2016 12 41 47 11 5 Damper is abnormal None 11 6 Lights inside the refrigerator don t light up...

Страница 42: ...Service Manual 2016 12 42 47 12 Figures and details of repair parts Documents are provided separately 12 1 Figure 12 2 List of parts and components...

Страница 43: ...Tooling No Name Photo Main Usage 1 Phillips screwdriver screw assemble and disassemble 2 slotted screwdriver scraper screw and rivet assemble and disassemble 3 Socket spanner 5 16 hinge and compresso...

Страница 44: ...6 Vise grip pliers sealing process tube 7 Pipe cutter pipe cutting 8 Knife assistive tool 9 Nipper pliers assistive tool 10 Capillary tube scissors Shear capillary Equipment No Name Photo Main Usage...

Страница 45: ...cooling system condenser evaporator etc impurities clean 4 Soldering gun heating and welding 5 Quick coupling connection process pipeline vacuum or charge refrigerantwil lbeused 6 hand leak detector...

Страница 46: ...nual 2016 12 46 47 2 Dry filter Involving a system failure to be replaced 3 Copper welding rod tube welding 4 Refrigerant gas Add refrigerant to the system 5 Sealing tape door fixing for reversible do...

Страница 47: ...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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