Midea UR-LC46GE-DR Service Manual
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Midea UR-LC46GE-DR Service Manual

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(The picture is only for reference, and specific appearance and configuration are subject to the real product)
Service Manual
Applicable Models
UR-LC46GE-DR
UR-LC66GE-DR
UR-LC96GE
Prepared by
Reviewed by
Approved by
Service Manual, 2016-12
Model Code
22033010000481
22033010000442
22033010000441
R&D：Chen Feixiang
QA：Wang Tao
SVC：Zhang Kun
R&D：Zhang Huawei
SVC：Guang Taoshuai
1 / 42

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Summary of Contents for Midea UR-LC46GE-DR

  • Page 1 Service Manual, 2016-12 Service Manual Applicable Models Model Code UR-LC46GE-DR 22033010000481 UR-LC66GE-DR 22033010000442 UR-LC96GE 22033010000441 (The picture is only for reference, and specific appearance and configuration are subject to the real product) Prepared by R&D：Chen Feixiang QA：Wang Tao Reviewed by SVC：Zhang Kun...
  • 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...

  • Page 3: Table Of Contents

    Service Manual, 2016-12 Contents 1.Safety Warning Code ..........................5 1.1Warning for operation safety ......................5 1.2Safety instruction for refrigerant ..................... 8 2.Description for product features ........................ 9 3.Installation and commissioning ....................... 10 3.1Handling ............................10 3.2 Door Disassembly and Assembly（None） ................10 3.3 Installation location ........................
  • Page 4 Service Manual, 2016-12 9.2Temperature control ........................28 9.3Alarm(None) ..........................29 9.4Failure code and solutions ......................29 9.5Defrost function ..........................29 9.6Compressor fan control (None) ..................... 29 9.7Self-diagnosis (None) ........................29 10.Circuit description ..........................30 10.1 Power Supply ..........................30 10.2Door trip test circuit(None) ......................30 10.3Temperature test circuit .......................

  • 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...

  • Page 8: Safety Instruction For Refrigerant

    Service Manual, 2016-12 1.2Safety instruction for refrigerant 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) Electronic temperature control, more accurate. 2) Advantageous touch control for users. 3) Slide-out wire shelf (Glass shelf optional) 4) Reserved handle 9 / 42...

  • Page 10: Installation And Commissioning

    Service Manual, 2016-12 3.Installation and commissioning 3.1Handling 1) Protect the refrigerator in moving it Same as shown as left photo, please move it by handcart with cushion 2) Remove all packing materials and bottom cushion, then move into house for placement 3) After moving it to appropriate location, wait for 2 hours before power on.

  • Page 11: Leveling Of The Refrigerator

    Service Manual, 2016-12 3.4Leveling of the refrigerator If the refrigerator cannot be placed steadily, adjust the footing to level it. 3.5Door reversal Step 1: Disassemble the upper knuckle guard, discharge the right tightening Plastic rivet Knuckle guard screws (3 screws) fixing the hinge and Screw dismantle 3 plastic rivets on the left Hinge...
  • Page 12 Service Manual, 2016-12 Step 3: Disassemble stop block and lamp switch of the door, rotate the door for 180° and assemble lamp switch and stop block disassembled. Step4: Move the hinge axis of upper hinge from original axle hole to the corresponding hole Step5: Remove the screws fastening the lower hinge on the right side of the case...

  • Page 13: Installation Of Handle（None

    Service Manual, 2016-12 Step 7: Install the adjusted lower hinge on the left corner of the case and use the plastic rivets to fill the vacancy of original location of bolts Step 8: Install the door on the lower hinge on the left corner of the case to maintain the door horizontal, fasten screws, improve knuckle guard and install the plastic rivets in the original...

  • Page 14: Product Specification

    Service Manual, 2016-12 5.Product specification 5.1 Type specification（None） 5.2 Electrical parameters Product Name UR-LC46GE-DR UR-LC66GE-DR UR-LC96GE Product Code 22033010000481 22033010000442 22033010000441 Name Item Type Specification Specification Specification FZ40E1J FZ40E1J EZ50E1E-U Compressor Starter QP2-4R7 QP2-4R7 QP2-4R7 Overload DRB17N61A1 DRB17N61A1 DRB26T61A1 protector...

  • Page 15: Inside Temperature

    Service Manual, 2016-12 5.3Inside temperature Temperature tolerance ≤ 2°C Compartment The highest (° C) Lowest (° C) Refrigerating 5.4Defrosting parts（None） 5.5Circuit diagram UR-LC46GE-DR_22033010000481 UR-LC66GE-DR_22033010000442 15 / 42...
  • Page 16 Service Manual, 2016-12 UR-LC96GE_22033010000441 16 / 42...

  • Page 17: 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.Temperature control panel 3.Beverage shelf 2.Fan 4.Guardrail 6.2External dimension Front view Side view Down view Open Door...
  • Page 18 Service Manual, 2016-12 Maximum open angle of door(135° ) (The picture is only for reference, and specific appearance and configuration are subject to the real product) 18 / 42...

  • Page 19: Refrigerating Piping System And Circulating Route Of Cooling Air

    Service Manual, 2016-12 7.Refrigerating piping system and circulating route of cooling air） 7.1 Refrigerating piping system →3condenser→ 4Dry filter →5Capillary tube→ 6Evaporator→7 Exhaust transition pipe Return 1Compressor→2 →1Compressor transition pipe (The picture is only for reference, and specific appearance and configuration are subject to the real product) 7.2Circulating route of cooling air 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 wine cabinet door; 2） Take the door seal ①out of door liner. 8.2Parts inside the wine cabinet Beverage shelf 1）...

  • Page 21: Light System

    Service Manual, 2016-12 8.3Light system Light 1) Push the lampshade inner and take it down 2) Take down the screw on LED light panel, then light. 3) Remove the connecting harness terminals on LED light panel and take down the LED light panel.

  • Page 22: Air Duct Components In Freezing Chamber And Fan Motor(None)

    Service Manual, 2016-12 Remove the connecting harness terminals linking the fan and cabinet and take down the fan. Remove the cover Take out the fan from the mounting box and fan motor Air duct components in freezing chamber (None) Disassembly and installation of Air duct None Fan motor of air duct None...
  • Page 23 Service Manual, 2016-12 Defrost thermostat None Fuse Defrost sensor None Defrost heater None Evaporator in refrigerating chamber 1） Take down screws and gaskets on the evaporator. 2） Remove the welding on inlet and outlet tubes. Components on the evaporator Defrost sensor Not replace The defrost sensor is located on back of the evaporator.

  • Page 24: Compressor Case

    Service Manual, 2016-12 Sensor in refrigerating chamber 1） To remove the sensor cover, you may squeeze it up and down;Take the sensor out from card slot. Sensor in chamber None Variable temperature Ambient temperature sensor None T hermostat None 8.7Compressor case Rear cover and compressor case Rear cover and compressor case 1)Remove by cross screwdriver the screws fixing...
  • Page 25 Service Manual, 2016-12 1. Remove the protective cover 1）Pry the protective cover slowly from the upper part, 2）Pull it out and remove it. 2. Remove the starter and protector Unplug the starter and protector (you can use a screwdriver to pry it slowly) 1.
  • Page 26 Service Manual, 2016-12 1. Remove the two screws linking the temperature control board mounting box to the box 2Disconnect the connector 3.Remove the temperature control panel  8.9main panel 1. Take down screws 26 / 42...

  • Page 27: Bar Counter(None)

    Service Manual, 2016-12 2Take out main control panel cover 3. Disconnect the fast connector 4. Take screws on main control panel Bar counter(None) Disassembly and installation of bar counter None Disassembly and installation bar doorseal None Water dispenser(None) 8.10 Disassembly and installation of water valve None Disassembly and installation of water tank None...

  • Page 28: Function And Operation

    Service Manual, 2016-12 9. Function and operation 9.1operation panel  Powering on each time, the display screen gives a full display for 3s and the start-up sound rings; then the panel displays normal.  Normal display Display area lighten all the time: If the system has an error, the area display relevant error code. Otherwise, temperature is on.

  • Page 29: Alarm(None)

    Service Manual, 2016-12 故障代码 Fault code 9.3Alarm(None) 9.4Failure code and solutions Error Code Failure Type Solution Step 1: Check whether the terminal CN4 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 Fault of temperature terminal.

  • Page 30: Circuit Description

    Service Manual, 2016-12 10.Circuit description 10.1 Power Supply AC power is reduced and output stable DC12V by SMPS control chip and LC ,DC12V provide power to r elay,the relay is for controlling the compressor and defrosting heater. DC12V is changed into stable DC5 V by adjustor 7805,DC5V provide power to control chip,control chip monitor the temperature change of refrigerator 10.2Door trip test circuit(None)

  • Page 31: Fan Motor Circuit Of The Freezing Chamber(None)

    Service Manual, 2016-12 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: Trouble Shooting Method

    Service Manual, 2016-12 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 11.Trouble shooting Method 11.1No cooling 32 / 42...

  • Page 33: No Working Of Compressor

    Service Manual, 2016-12 11.2No working of compressor 33 / 42...

  • Page 34: Inside Frosting, No Defrosting

    Service Manual, 2016-12 11.3Inside frosting, no defrosting Inside frosting, no defrosting-Maintenance guidelines 34 / 42...
  • Page 35 Service Manual, 2016-12 35 / 42...

  • Page 36: Lights Inside The Refrigerator Don't Light Up

    Service Manual, 2016-12 11.5Lights inside the refrigerator don’t light up 11.6Air duct not operated(None) 11.7Fan failure（None） 11.8Defective defrost circuit（None） 11.9Noise 36 / 42...

  • Page 37: 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 12.1Figures 12.2List of parts and components 13Appendix: 13.1Electrical Schematic Diagram （Model：JC46/66/96） 13.2Refrigerator maintenance tooling and equipment and material Tooling Name Photo Main Usage 37 / 42...
  • Page 38 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 Sucker cover disassemble handle assemble and Allen wrench（2.8~4mm） disassemble Vise grip pliers sealing process tube...
  • Page 39 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 39 / 42...
  • Page 40 Service Manual, 2016-12 Soldering gun heating and welding connection process pipeline， Quick coupling vacuum or charge refrigerant wi ll be used. welding point leakage detect, if hand leak detector no, use soap-suds material Name Photo Main Usage Process pipeline Charge the refrigerant Involving a system failure to be Dry filter...
  • Page 41 Service Manual, 2016-12 Refrigerant/gas Add refrigerant to the system door fixing for reversible door Sealing tape option 41 / 42...
  • 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...

This manual is also suitable for:

Ur-lc66ge-drUr-lc96ge220330100004812203301000044222033010000441

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