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Service Manual
(The picture is only for reference, and specific appearance and configuration are subject to the real product)
Applicable Models
UR-BD390WE-ST
CE-BD390WE-ST
UR-BD390WE-ST
UR-BD390WE-ST
Prepared by
Reviewed by
Approved by
Service Manual, 2016-12
Model No.
22031010001341
22031010001361
92031010Z00044
92031010Z00046
R&D:Zha Caicun
QA:Li Jiangli
SVC:Zhang kun
R&D:Geng Xiuhua
SVC:GuangTaoshuai
1 / 42
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Table of Contents
Related Manuals for Midea UR-BD390WE-ST
Summary of Contents for Midea UR-BD390WE-ST
- Page 1 Service Manual, 2016-12 Service Manual Applicable Models Model No. UR-BD390WE-ST 22031010001341 CE-BD390WE-ST 22031010001361 UR-BD390WE-ST 92031010Z00044 UR-BD390WE-ST 92031010Z00046 (The picture is only for reference, and specific appearance and configuration are subject to the real product) Prepared by R&D:Zha Caicun QA:Li Jiangli...
- Page 2 Manufacturers or distributors are not responsible for the content of the Manual and interpretation thereof. Midea Refrigerators Technical Maintenance Manual Copyright @2016 All rights reserved. Replication of all or part of the Manual in any forms shall not be allowed without written approval by the Overseas Sales Corporation of Midea Refrigerators. 2 / 42...
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Page 3: Table Of Contents
Service Manual, 2016-12 Contents 1.SAFETY WARNING CODE ........................5 1.1W ARNING FOR OPERATION SAFETY ........................5 1.2 冷媒安全须知 ............................... 8 2.DESCRIPTION FOR PRODUCT FEATURES ..................9 3.INSTALLATION AND COMMISSIONING .....................10 3.1H ..............................10 ANDLING 3.2D ) ........................... 10 ISASSEMBLY 3.3 I .......................... - Page 4 Service Manual, 2016-12 8.8 B ) ..........................26 AR COUNTER 8.9 W ) ..........................26 ATER DISPENSER 8.10 I ) ............................26 CE MAKER 9. F 9.1 O UNCTION AND OPERATION PERATION PANEL ..................27 9.2B ................................. 27 UTTON 9.3 LEDI NDICATOR ............................
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Page 5: Safety Warning Code
Service Manual, 2016-12 1.Safety Warning Code 1.1Warning for operation safety 5 / 42... - Page 6 Service Manual, 2016-12 6 / 42...
- Page 7 Service Manual, 2016-12 7 / 42...
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Page 8: 冷媒安全须知
Service Manual, 2016-12 1.2 冷媒安全须知 8 / 42... -
Page 9: Description For Product Features
Service Manual, 2016-12 2.Description for product features This product is provided with following features: (The picture is only for reference, and specific appearance and configuration are subject to the real product) 1） Full air-cooling and frost-free design 2）Electronic temperature control, more accurate temperature control. 3）BC/BD can switch, meet the different needs of customers. -
Page 10: Installation And Commissioning
Service Manual, 2016-12 3.Installation and commissioning 3.1Handling 1) Protecttherefrigeratorinmovingit Sameasshownasleftphoto,pleasemoveitbyhandcartwi thcushion 2) Removeallpackingmaterialsandbottomcushion,then moveintohouseforplacement 3) 2Aftermovingittoappropriatelocation,waitfor2hours beforepoweron. 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. -
Page 11: Change The Door Opening Direction(None)
Service Manual, 2016-12 3.5Change the door opening direction(None) 3.6 Installation of handle 1.Take out ①,use a cross screwdriver to drive① into the screw hole② on the door body and tighten it. 2.Align the screw hole on the handle with the tightened ① to fix the handle; 3.Tighten ③... -
Page 12: Terms
Service Manual, 2016-12 4.Terms 4.1 Definition of model(None) 4.2Location of nameplate Label (The picture is only for reference, and specific appearance and configuration are subject to the real product) 12 / 42... -
Page 13: Product Specification
Service Manual, 2016-12 5.Product specification 5.1 typespecification(None) 5.2 Electrical parameters Product Name UR-BD390WE-ST CE-BD390WE-ST 22031010001361 Product Code 22031010001341 Name Item Type Specification Specification Specification EZ80H1A- Compressor LJ118DY1 USCL LPC319D- Starter QP2-4R7 01/QPE2- A15MD3 BT69- Overload protector DRB31T61A1 120/DRB246N61 Compressor A2/3TM213NF1 Winding resistance of Rmc：4.6～4.74Ω... -
Page 14: Circuit Diagram
Service Manual, 2016-12 5.5Circuit diagram UR-BD390WE-ST_22031010001341\ 92031010Z00046\92031010Z00044 CE-BD390WE-ST_22031010001361 14 / 42... - Page 15 Service Manual, 2016-12 15 / 42...
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Page 16: Internal View And Dimension
Service Manual, 2016-12 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. Glass shelf 7.Bottom drawer of freezer chamber 2.Upper air duct cover 8. - Page 17 Service Manual, 2016-12 Down view Open Door Maximum open angle of door(140°) (The picture is only for reference, and specific appearance and configuration are subject to the real product) 17 / 42...
- Page 18 Service Manual, 2016-12 7.Refrigerating piping system and circulating route of cooling air 7.1 Refrigerating piping system 1Compressor→2Exhaust transition pipe→3Left condenser→4Anti-condensationg tube→5Back condenser→6Right condenser→7Dry filter→8Capillary tube→9Evaporator→10Suction pipe→11Return transition pipe→2Compressor (The picture is only for reference, and specific appearance and configuration are subject to the real product) 18 / 42...
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Page 19: Circulating Route Of Cooling Air
Service Manual, 2016-12 7.2Circulating route of cooling air (The picture is only for reference, and specific appearance and configuration are subject to the real product) 19 / 42... -
Page 20: Dismantling Of Parts
Service Manual, 2016-12 8. Dismantling of parts 8.1 Parts on the door Door seal Door seal is installed into door liner groove. 1） Open the refrigerator door; 2） Take the door seal ①out of door liner; Door tray Lift up the bottle frame and take it out from the door liner of the refrigerator. -
Page 21: Air Duct And Fan Motor
Service Manual, 2016-12 1) Remove the screws of hinge 2) Unplug the wiring connector, and loosen the plastic clip of lamp switch to dismantle lamp switch 8.4Air duct and fan motor Air duct components in freezing chamber All accessories in the freezing chamber should be dismantled before removing the air duct components. -
Page 22: Evaporator And Temperature Sensing System
Service Manual, 2016-12 1） 2） Before dismantle it ,please make the front evaporator cover(bottom) be removed already 1) Loosen the plastic clips,move 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 Replace the fan motor, the inverse operation to complete installation... -
Page 23: Compressor Case
Service Manual, 2016-12 ❷Defrost 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） Separate the sensor and the evaporator. *,Dont break the welding of the evaporator in case that only the sensor needs to be replaced. - Page 24 Service Manual, 2016-12 Condenser fan moto None Terminal box of the compressor None Standby condenser None Piping system in the compressor case 1.Compressor 6.Right condenser 2.Exhaust transition pipe 7.Dry filter 3.Anti-condensationg tube 8.Capillary 4.Left condenser 9.Suction pipe 5.Back condenser 10.Return transition pipe Starter and protector of the compressor 1.
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Page 25: Display And Main Control Panel
Service Manual, 2016-12 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 and main control panel Display control board 1） Use vacuum cap to pull the control panel outwards 2）... -
Page 26: Bar Counter(None)
Service Manual, 2016-12 Bar counter(None) Disassembly and installation of bar counter None Disassembly and installation bar doorseal None Water dispenser(None) Disassembly and installation of water valve None Disassembly and installation of water tank None Ice maker(None) 8.10 Disassembly and installation of ice maker None Disassembly and installation of water system None... -
Page 27: Function And Operation 9.1 Operation Panel
Service Manual, 2016-12 9. Function and operation 9.1 Operation panel (The picture is only for reference, and specific appearance and configuration are subject to the real product) Indicator Button: ①Hi-Temp(High temperature alarm) A、Quick Freeze buttonB、Lock button ②Door Open(Door keep open for 300 seconds C、Freeze&... - Page 28 Service Manual, 2016-12 Press it for another 3s, then the up point is off and the bottom point is on with a beep, and the machine is running as a Fridge. ● Quick Freeze Function setting Press to enter Quick Freeze Mode, then snowflake is blue on.
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Page 29: Control Of Standby Function(None)
Service Manual, 2016-12 9.5Control of standby function(None) 9.6 Control of ice maker(None) 9.7Fault code and solutions Fault code Fault description Fault cause Recommended practices There is a problem with the sensor R room sensor Check the status and connections terminals of the R room or the sensor failure of the F room sensor circuit. -
Page 30: Circuit Description 10.1 Power Supply
Service Manual, 2016-12 10.Circuit description 10.1 Power Supply The AC input power is reduced in voltage by SMPS control chip and filtered off wave by the inductance- capacitance filter, then output the DC 12V power which will mainly power the relay that controls strong current. -
Page 31: Temperature Test Circuit
Service Manual, 2016-12 10.3Temperature test circuit The characteristic that resistance value reduces as the temperature increases is deemed to have negative slope or negative temperature coefficient (NTC), and such thermistor is called as NTC thermistor. The resistance value changes sensitively with temperature and typically changes 7% ~ 3% per degree centigrade. -
Page 32: Refrigerator Fan Motor Circuit (None)
Service Manual, 2016-12 10.5Refrigerator fan motor circuit (None) 10.6Condensing fan motor circuit (None) 10.7Damper motor circuit (None) 10.8Resistance value of the sensor (R/T) Tx(℃) R（KΩ） Tx(℃) R（KΩ） Tx(℃) R（KΩ） Tx(℃) R（KΩ） Tx(℃) R（KΩ） 33.81 14.31 6.495 3.141 1.617 31.85 13.55 6.175 2.999 1.55... -
Page 33: Troubleshooting Method
Service Manual, 2016-12 11.Troubleshooting Method 11.1 No refrigeration 33 / 42... -
Page 34: Compressor Failure
Service Manual, 2016-12 11.2 Compressor failure 34 / 42... -
Page 35: Defrosting Is Not Working
Service Manual, 2016-12 11.3 Defrosting is not working 35 / 42... -
Page 36: Fan In The Freezing Chamber Is Abnormal
Service Manual, 2016-12 11.4 Fan in the freezing chamber is abnormal Refer to this method for other fans. 36 / 42... -
Page 37: T Light Up
Service Manual, 2016-12 11.5 Damper is abnormal(None)11.6 Lights inside the refrigerator don’t light up 37 / 42... -
Page 38: Figures And Details Of Repair Parts(Documents Are Provided Separately)
Service Manual, 2016-12 12. Figures and details of repair parts( Documents are provided separately 12.1 Figure 12.2 List of parts and components 13Appendix: 13.1Electrical Schematic Diagram (Model: UL-BD390/481/594WE-ST) 13.2refrigerator maintenance tooling and equipment and material Tooling Name Photo Main Usage 38 / 42... - Page 39 Service Manual, 2016-12 Phillips screwdriver screw assemble and disassemble screw and rivet assemble and slotted screwdriver/scraper disassemble hinge and compressor screw Socket spanner 5/16″ assemble and disassemble display panel and air duct cover Sucker disassemble Allen wrench handle assemble and （2.8~4mm）...
- Page 40 Service Manual, 2016-12 Knife assistive tool Nipper pliers assistive tool Capillary tube scissors Shear capillary Equipment Name Photo Main Usage Vacuum pump vacuum pumping Electronic scale weighing refrigerant/gas pipe and cooling High pressure nitrogen with system(condenser, evaporator, piezometer etc) impurities clean 40 / 42...
- Page 41 Service Manual, 2016-12 Soldering gun heating and welding connection process pipeline， vacuum or charge refrigerantwil Quick coupling lbeused. welding point leakage detect, if hand leak detector no, use soap-suds material Name Photo Main Usage Chargetherefrigerant Process pipeline system failure to be Involving a Dry filter replaced...
- Page 42 Service Manual, 2016-12 Midea Refrigerators 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-Technological Development Area, Hefei, Anhui, China 42 / 42...
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