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Service Manual_2020-V1.0

WARNING

Important Safety Notice

There are special components used in this equipment which are important for safety. These parts are

marked by

in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement

Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to

prevent shock, fire or other hazards. Do not modify the original design without permission of

manufacturer.

WARNING

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 HD-663FWEN

Страница 1: ...icable Models HD 663FWEN UR BCD510WE SQ 22031020006981 The picture in this service manual is only for reference and specific appearance and configuration are subject to the real product This manual ma...

Страница 2: ...rmission of manufacturer WARNING Important Safety Notice The Maintenance Manual is only for the use of maintenance personnel with certain experience and background in electrical electronic and mechani...

Страница 3: ...ARTS PARAMETERS 17 5 2 CIRCUIT DIAGRAM 19 5 3 MAIN PCB TERMINAL CONNECTION DIAGRAM 20 6 REFRIGERATION SYSTEM 21 6 1 REFRIGERATION SYSTEM WORKING PRINCIPLE 21 6 2 COOLING PIPELINE AND DRAIN PIPE INSIDE...

Страница 4: ...LUTIONS 40 9 7 TEST MODE 41 9 8 DEMO MODE NONE 41 9 9 BACKUP DATA FOR POWER FAIL 41 10 COMPRESSOR 42 10 1 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS 42 11 TROUBLESHOOTING METHOD 43 11 1 NO COOLING A...

Страница 5: ...Service Manual_2020 V1 0 5 1 Significant update notes None...

Страница 6: ...any heat sources such as radiators heat registers stoves or other apparatus that produce heat 10 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blad...

Страница 7: ...e the shelves in place so that children may not easily climb inside 7 Unplug the freezer before carrying out user maintenance on it 8 This freezer can be used by children age eight years and older and...

Страница 8: ...tions are not completely understood or if doubt exists as to whether the freezer is properly grounded 2 2 Safety instruction for refrigerant Explosion Hazard Keep flammable materials and vapors such a...

Страница 9: ...g it to appropriate location wait for 2 hou rs before power on 3 2 Door Disassembly and Assembly When the whole refrigerator cannot enter the room the door can be disassembled then assembled after ent...

Страница 10: ...feet counterclockwise to lower the refrigerator 3 5 Left or right open door reversal Door reversal 1 Power off and remove all food from the fridge 2 Dismantle the upper hinge cover screws and upper hi...

Страница 11: ...de of the refrigerator 7 Dismantle the sleeves hole cap screws and door stopper on the refrigerator door and assemble them on the other side 8 Dismantle the sleeves and assemble them on the other side...

Страница 12: ...nge 11 Put down the freezer door on the middle hinge then take out the top hinge and cover of other side from the accessory plastic bag Then assemble the left top hinge hinge cover and hole cover 3 6...

Страница 13: ...0 V1 0 13 3 Fix the bolts in the screw hole on the front of the door 4 Install the door handle onto the bolts 5 Tighten the Allen screws in the door handle hole 6 Install the screw cover on the screw...

Страница 14: ...Service Manual_2020 V1 0 14 4 Main parts and external dimension 4 1 Main parts The picture is only for reference and specific appearance and configuration are subject to the real product...

Страница 15: ...w Handle E Depth Door open 90 deg w F 1485 5 Depth Door open 135 deg w G 1288 5 Width Door open 135 deg w H 1270 The picture is only for reference 4 3 Midea product serial number and location 1 Produ...

Страница 16: ...Service Manual_2020 V1 0 16 2 Paste location Some products also have S N on the lower part of the right side of the Cabinet...

Страница 17: ...33 W Winding resistance of compressor wiring terminal 20 Rmc 7 07 7 Rsc 6 07 7 Rms Rmc Rsc Winding resistance picture Starter PTC QP2 4R7 Part co 12031000001584 Overload protector OLP DRB33T61A1 Part...

Страница 18: ...0 V1 0 18 Switch of the light Mechanical switch Magnetism control switch None Defrosting parts Defrosting sensor NTC B3839 B5 25 3839K 2 Fuse in freezing chamber 230V 73 0 5 Defrost heater in freezing...

Страница 19: ...Service Manual_2020 V1 0 19 5 2 Circuit diagram F Freezer R Refrigerator...

Страница 20: ...3 Main PCB terminal connection diagram Connecting terminals Connecting terminals 1 Compressor 2 Freezing frost heater 3 Ice maker 4 Freezing fan motor 5 Ambient temperature sensor 6 Freezing defrost...

Страница 21: ...6 Refrigeration system 6 1 Refrigeration system working principle Compressor Anti condensation tube Condenser Dry filter Capillary tube Evaporator Suction tube Compressor 6 2 Cooling pipeline and dra...

Страница 22: ...lding points in chambers or foam layer 1 Welding points on freezer evaporator Welding point Pipe outer diameter mm 1 Freezer capillary and inlet of evaporator Copper pipe 6 Aluminum pipe 6 0 2 Heat tr...

Страница 23: ...left condenser tube and inlet of dry filter Steel pipe 4 0 Copper pipe 5 0 4 Outlet of dry filter and inlet of freezer capillary Copper pipe 2 8 Copper pipe 1 8 5 Heat transition tube and Suction con...

Страница 24: ...the door tray and take it out from door liner Door stopper After removing the door remove the fixing screws at the position shown in the figure remove the door sleeve pipe and stopper and complete th...

Страница 25: ...ove the lamp cover 2 Remove the light 3 The reverse process can complete installation Light of the freezing None Light switch There is a light switch on the side wall of the refrigerating chamber 1 Lo...

Страница 26: ...None 7 5 Air duct components in freezing chamber and fan motor Air duct components in freezing chamber All accessories in the freezing chamber should be dismantled before removing the air duct compone...

Страница 27: ...move 4 front cover plates 2 Remove screws using a cross screwdriver to get the fan and components of fan brackets 3 Remove 1 screws using a cross screwdriver to separate fan brackets and the fan 4 Sep...

Страница 28: ...aporator Components on the evaporator Defrost heater with defrost sensor and fuse it can be replaced separately 1 Cut off wiring terminal 2 Cut off the band which fixes the sensor 3 Cut off the band w...

Страница 29: ...and prevent the door dropping when the refrigerator dumping 2 Slowly tilt the refrigerator forward relying on the wall or a solid enough object leaving space to facilitate the operation For safety it...

Страница 30: ...is fix the electric appliance shield 5 Remove the clipping strip Slowly pull it out 6 Remove the protective cover Pry the protective cover slowly from the upper part Pull it out and remove it 7 Remov...

Страница 31: ...emove the bolts by steps replace the compressor and reverse process can complete installation 10 Use Pipe cutter cut off the condenser tube then Shear off capillary by the capillary tube scissors 11 R...

Страница 32: ...Cu Fe tubes welding used Ag welding rod Cu Cu tubes welding used Cu welding rod 13 Vacuum system The degree of vacuum below 6Pa 14 Perfusion refrigerant 15 Use the vise grip pliers clamp the middle o...

Страница 33: ...move the refrigeration air duct assembly 2 Tear off the display control panel surface as shown in the picture 3 Use a screwdriver to remove the display control panel mounting box 4 Use a screwdriver t...

Страница 34: ...sembly 2 Tear off the main control panel surface as shown in the picture 3 Use a screwdriver to remove the main control panel mounting box 4 Use a screwdriver to pry off all clips on the mounting box...

Страница 35: ...r duct components should be dismantled before removing this sensor 1 Strip the tape that secures the wiring harness 2 Then remove the sensor Ambient temperature sensor The sensor is located in the hin...

Страница 36: ...band which fixes the sensor 8 3 Sensor without terminal replacement Sensor replacement guidelines Cut off the damaged head of sensor Strip off the sensor wiring Take out a new sensor to cut the head o...

Страница 37: ...39 20 5 315 29 84 20 1 687 20 4 00 18 90 5 41 00 5 060 30 86 00 1 617 19 2 20 17 87 6 42 80 4 818 31 87 80 1 550 18 0 40 16 90 7 44 60 4 589 32 89 60 1 486 17 1 40 15 98 8 46 40 4 372 33 91 40 1 426 1...

Страница 38: ...Service Manual_2020 V1 0 38 8 17 60 9 820 17 62 60 2 865 42 107 60 0 989 7 19 40 9 316 18 64 40 2 737 43 109 40 0 951 6 21 20 8 841 19 66 20 2 616 44 111 20 0 914...

Страница 39: ...5 Standby mode Fridge stop working Freezing chamber temperature control knob 9 2 Temperature control 9 2 1Temperature setting of refrigerating chamber Press the gear setting button SET once the gear...

Страница 40: ...s reached the compressor will start after 3 minutes the fan motor will start work Meet one of the following conditions defrost heating exit 1 When the frozen defrosting sensor has no fault the measure...

Страница 41: ...sor reach a temperature of 12 C and the defrosting heater has been working for at least 3 minutes then the refrigerator will exit the test mode and return to normal operation mode In forced defrosting...

Страница 42: ...amber 2 Enter defrosting cycle 3 The compressor runs continuously for more than 3 hours will stop at least 5 minutes 1 2 When compressor shutdown time has been more than 5 min one of the following con...

Страница 43: ...Service Manual_2020 V1 0 43 11 Troubleshooting Method 11 1 No cooling Air cooling Electronic...

Страница 44: ...Service Manual_2020 V1 0 44...

Страница 45: ...Service Manual_2020 V1 0 45 11 2 No working of compressor...

Страница 46: ...Service Manual_2020 V1 0 46 11 3 Inside frosting no defrosting...

Страница 47: ...Service Manual_2020 V1 0 47 11 4 Inside frosting no defrosting Maintenance guidelines...

Страница 48: ...Service Manual_2020 V1 0 48 11 5 Light is not on...

Страница 49: ...Service Manual_2020 V1 0 49 11 6 Fan failure 11 7 Defective defrost circuit...

Страница 50: ...Service Manual_2020 V1 0 50 11 8 Noise 11 9 Air duct not operated...

Страница 51: ...Service Manual_2020 V1 0 51 11 10 Ice makernot make ice Option...

Страница 52: ...Service Manual_2020 V1 0 52 12 Product exploded view and spare parts list Please log in to TSP system to view and download these contents...

Страница 53: ...of your waste equipment at the time of disposal will help conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more information abo...

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