Table of Contents
Advertisement
Service Manual
Applicable models
(The picture is only for reference, and specific appearance and configuration are subject to the real
UL-BD386WE-SQ
UL-BD481WE-ST
UL-BD594WE-ST
UL-BD594WE-ST
UL-BD594WE-ST
UL-BD481WE-ST
UL-BD481WE-ST
product)
Prepared by
Reviewed by
Approved by
Service Manual, 2016-12
Model No.
22031010000841
22031010001001
22031010000981
92031010Z00041
92031010Z00042
92031010Z00043
92031010Z00045
R&D:Wang Pingchun
QA:Wang Tao
SVC:Zhang Kun
R&D:Geng Xiuhua
SVC:Guang Taoshuai
1 / 47
Advertisement
Table of Contents
Related Manuals for Midea UL-BD386WE-SQ
Summary of Contents for Midea UL-BD386WE-SQ
- Page 1 Service Manual, 2016-12 Service Manual Applicable models Model No. UL-BD386WE-SQ 22031010000841 UL-BD481WE-ST 22031010001001 UL-BD594WE-ST 22031010000981 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 are subject to the real product) Prepared by R&D:Wang Pingchun...
- Page 2 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 / 47...
-
Page 3: Table Of Contents
Service Manual, 2016-12 Contents 1.SAFETY WARNING CODE ......................5 ....................5 1.1W ARNING FOR OPERATION SAFETY ..................8 1.2S AFETY INSTRUCTION FOR REFRIGERANT 2.DESCRIPTION FOR PRODUCT FEATURES ................9 3.INSTALLATION AND COMMISSIONING ................10 ............................. 10 3.1H ANDLING ) ........................10 3.2D ISASSEMBLY ...................... - Page 4 Service Manual, 2016-12 ) ........................27 8.8 B AR COUNTER ) ......................27 8.9 W ATER DISPENSER ) ........................28 8.10 I CE MAKER ................29 9. F 9.1 O UNCTION AND OPERATION PERATION PANEL ......................... 29 9.2 T EMPERATURE SETTING ............................
-
Page 5: Safety Warning Code
Service Manual, 2016-12 1.Safety Warning Code 1.1Warning for operation safety 5 / 47... - Page 6 Service Manual, 2016-12 6 / 47...
- Page 7 Service Manual, 2016-12 7 / 47...
-
Page 8: Safety Instruction For Refrigerant
Service Manual, 2016-12 1.2Safety instruction for refrigerant 8 / 47... -
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）Support WIFI 2）Electrical temperature control and LED display screen 3）Mode conversion of refrigerator and freezer 4）LED light inner 5）The adjustable wire shelf... -
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) Aftermovingittoappropriatelocation,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. -
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 (The picture is only for reference, and specific appearance and configuration are subject to the real product) 12 / 47... -
Page 13: Product Specification
Service Manual, 2016-12 5.Product specification 5.1 typespecification(None) 5.2 Electrical parameters UL-BD481WE-ST UL-BD594WE-ST UL-BD386WE-ST Product Name 22031010000841 Product Code Name Item Type Specification Specification Specification EE50H1B EE55H1A-U EE50H1C Compressor MPT36A04 MTP42A04 8EA14C3 8EA14C3 QPE2-A4R7MD3 Starter 8EA14C3-02 8EA14C3-02 Overload 4TM302TFBYY 4TM319TFBYY QRB31T61A1 protector Compressor Winding... -
Page 14: Inside Temperature
Service Manual, 2016-12 5.3Inside temperature Temperature tolerance ≤ 2 The highest ( Lowest ( Compartment Freezing Refrigerating Variable temperature 5.4Defrosting parts Initial defrosting period Normal defrosting period Defrosting period Defrosting sensor B3839 Can’t be restored Thermal fuse 115V/200W Defrosting heater in freezing chamber Steel pipe 115V/180W 5.5Circuit diagram... -
Page 15: Internal View And Dimension
Service Manual, 2016-12 6.Internal view and dimension 6.1Main parts and their names UL-BD481WE-ST UL-BD594WE-ST 15 / 47... -
Page 16: External Dimension
Service Manual, 2016-12 ① Upper air duct cover ④ Steel wire drawer ② Steel wire shelf ⑤ Door switch ③ Bottom air duct cover ⑥ Door tray UL-BD386WE-SQ_22031010000841 1.Front air duct cover2.Steel wire shelf(big)3.FRZ. air 6.adjustable feet 7.Door tray8.Door tray9.Door tray duct component 4.Steel wire shelf(small)5.Steel wire drawer (The picture is only for reference, and specific appearance and configuration are subject to the real product) - Page 17 Service Manual, 2016-12 Down view Open Door Maximum open angle of door 135° (The picture is only for reference, and specific appearance and configuration are subject to the real product) 17 / 47...
-
Page 18: Refrigerating Piping System
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 / 47... -
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 / 47... -
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: Light System
Service Manual, 2016-12 The bottom of the drawer is located in the freezer 1）take it out from the refrigerator. 8.3Light system Light UL-BD481WE-ST_22031010001001(UL-BD594WE-ST_22031010000981) Light of the freezer chamber is located upper chamber 1) use slotted screwdriver to insert into the gap,dismantle the lamp 2) loosen the plasic clip, dismantle the lamp PCB UL-BD386WE-SQ_22031010000841... -
Page 22: Air Duct And Fan Motor
Service Manual, 2016-12 There is a light switch on the top of the re frigerating chamber.Loosen hook with small normal screwdriver and pull out the switch until the wire connector reveals. 8.4Air duct and fan motor Front evaporator cover of freezer(bottom) All accessories in the freezing chamber should be dismantled before removing the air duct components. -
Page 23: Evaporator And Temperature Sensing System
Service Manual, 2016-12 Before dismantle it, please make sure the front evaportor 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 Fan motor 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... - Page 24 Service Manual, 2016-12 ❶Fuse The fuse is located on top of the evaporator 1） connect the fuse connector. 2） Cut off the band which fixes the fuse. 3） Separate the fuse and the evaporator. *Don’t break the welding of the evaporator in case that only the sensor needs to be replaced.
-
Page 25: Compressor Case
Service Manual, 2016-12 Freezer sensor The sensor is located at right of freezer chamber 1）Pull out the cover 2）Pull out the sensors 8.6Compressor case Rear cover and compressor case None Condenser fan moto None Terminal box of the compressor None Standby condenser None Piping system in the compressor case... -
Page 26: Display And Main Control Panel
Service Manual, 2016-12 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. 4. Remove the starter and protector Unplug the starter and protector (you can use a screwdriver to pry it slowly) 5. -
Page 27: Bar Counter(None)
Service Manual, 2016-12 Main control board remove the fixed screw from main control board box Open main control board coverremove the fixed screw,pull out the main control boardDisconnect the connector of main control board Bar counter(None) Disassembly and installation of bar counter None Disassembly and installation bar doorseal None... -
Page 28: Ice Maker(None)
Service Manual, 2016-12 Ice maker(None) 8.10 Disassembly and installation of ice maker None Disassembly and installation of water system None Disassembly and installation ice machine sensor None 28 / 47... -
Page 29: 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) Icons: Button: High temperature alarm A 、 Quick-frozen setting buttonB 、 Lock Door open alarm buttonC 、... -
Page 30: Alarm
Service Manual, 2016-12 refrigerator and freezer button C When in the refrigeration mode, long press this button for 3 seconds, then switch to the freezing mode and restore the default temperature -18 ℃ / 0 ℉; When in the freezing mode, long press this button for 3 seconds, then switch to the refrigeration 6Celsius \ Fahrenheit units switch mode and restore the default temperature 5℃/41℉;9.2. -
Page 31: Fault Code And Solutions
Service Manual, 2016-12 9.4 Fault code and solutions Fault Fault Display Steps for maintenance methods code content Step 1: to check whether the CN4 wiring connector connect well, unplug and plug in again; Step2: to check whether there is foreign object on the wiring Freezer connector of sensor, unplug the connector by refering to temperatur... -
Page 32: Self-Diagnosis
Service Manual, 2016-12 multiple wifi environment, the user can select which wifi to connect through the App. During manufacturing and ex-factory Compressor testing, this mode will be used to test Using for ex-factory Can be compulsory the refrigerating capacity. For after and after sales canceled running Mode... -
Page 33: 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 34: 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 35: Fan Motor Circuit Of The Freezing Chamber
Service Manual, 2016-12 10.4Fan motor circuit of the freezing chamber 12 V voltage is reduced to 7~12V through the control chip BD9227F ,output it to F-FAN pin and connect it to positive pole of fan, to control the operating of fan in different revolution. Check the voltage between F-FAN pin and GDN pin, to estimate the fan trouble. - Page 36 Service Manual, 2016-12 18.9 8.392 3.972 2.005 1.071 17.87 7.968 3.788 1.919 1.029 16.9 7.568 3.613 1.838 0.9885 15.98 7.19 3.447 1.761 0.9506 15.12 6.833 3.29 1.687 0.914 36 / 47...
-
Page 37: Troubleshooting Method
Service Manual, 2016-12 11.Troubleshooting Method 11.1 No refrigeration 37 / 47... -
Page 38: Compressor Failure
Service Manual, 2016-12 11.2 Compressor failure 38 / 47... -
Page 39: Defrosting Is Not Working
Service Manual, 2016-12 11.3 Defrosting is not working 39 / 47... -
Page 40: 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. 40 / 47... -
Page 41: Damper Is Abnormal(None)11.6 Lights Inside The Refrigerator Don't Light Up
Service Manual, 2016-12 11.5 Damper is abnormal(None)11.6 Lights inside the refrigerator don’t light up 41 / 47... -
Page 42: 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 42 / 47... -
Page 43: Ppendix
Service Manual, 2016-12 13Appendix: 13.1Electrical Schematic Diagram (Model:) 13.2refrigerator maintenance tooling and equipment and material Tooling Name Photo Main Usage 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 Sucker... - Page 44 Service Manual, 2016-12 Vise grip pliers sealing process tube Pipe cutter pipe cutting Knife assistive tool Nipper pliers assistive tool Capillary tube scissors Shear capillary Equipment Name Photo Main Usage Vacuum pump vacuum pumping 44 / 47...
- Page 45 Service Manual, 2016-12 Electronic scale weighing refrigerant/gas pipe and cooling High pressure nitrogen with system(condenser, evaporator, piezometer etc) impurities clean Soldering gun heating and welding connection process pipeline， Quick coupling vacuum or charge refrigerantwil lbeused. welding point leakage detect, if hand leak detector no, use soap-suds material...
- Page 46 Service Manual, 2016-12 Involving a system failure to be Dry filter replaced Copper welding rod tube welding Refrigerant/gas Add refrigerant to the system door fixing for reversible door Sealing tape option 46 / 47...
- Page 47 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 47 / 47...