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Service Manual_2020-V1.0

5.3 Main PCB

terminal connection diagram

Name of Connecting terminals

1. Power supply AC115V

2. Refrigeration compensation heater

3. Defrosting heater of refrigeration ice-making

compartment

4. Freezing defrost heater

5. Ice-making auxiliary defrosting heater

Flipping beam heating wire

7. Variable temperature anti-condensation heater

strip

8. Variable temperature lamp

Spotlight of freezing chamber

10.

Fan of freezing chamber

11. Ice maker fan

18. Refrigeration water inlet heater strip

19. Freezing water inlet heater strip (Option)

20. Fan of refrigeration chamber

21. Condensate fan

22.

Freezing door switch

23.

Left refrigeration door switch

24.

Right refrigeration door switch

25. Variable temperature door switch

26. Temperature and humidity sensor

27. Ice-making box bottom sensor

28.

Freezing defrost sensor

29.

Freezing sensor

30. Defrosting sensor of refrigeration ice-making

Содержание French-Door Series

Страница 1: ...licable Models HC 808WE UR BCD622WE ST 22031040001881 The picture in this service manual is only for reference and specific appearance and configuration are subject to the real product This manual mainly teaches the method the specific work skill needs engineer to accumulate through the daily work ...

Страница 2: ...ermission 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 M...

Страница 3: ...ATION 15 5 ELECTRIC CONTROL SYSTEM 17 5 1 ELECTRICAL PARTS PARAMETERS 17 5 2 CIRCUIT DIAGRAM 19 5 3 MAIN PCB TERMINAL CONNECTION DIAGRAM 20 5 4 ICE MAKING BOARD TERMINAL CONNECTION DIAGRAM OPTION 21 5 5 INVERTER BOARD TERMINAL CONNECTION DIAGRAM OPTION 22 6 REFRIGERATION SYSTEM 23 6 1 REFRIGERATION SYSTEM WORKING PRINCIPLE 23 6 2 COOLING PIPELINE AND DRAIN PIPE INSIDE THE CABINET 24 6 3 CIRCULATIN...

Страница 4: ...TION 65 9 5 OPEN DOOR ALARM 66 9 6 ERROR CODE AND SOLUTIONS 67 9 7 TEST MODE 69 9 8 EYE DETECTION MODE OF ICE MAKER 70 9 9 DEMO MODE 71 9 10 BACKUP DATA FOR POWER FAIL 71 10 COMPRESSOR 72 10 1 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS 72 10 2 INVERTER BOARD FAULT ANALYSIS OPTION 72 11 TROUBLESHOOTING METHOD 74 11 1 NO COOLING AIR COOLING ELECTRONIC 74 11 2 NO WORKING OF COMPRESSOR 76 11 3 INSID...

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

Страница 6: ...r 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 blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into...

Страница 7: ...ve 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 persons with reduced physical or mental capabilities or lack of experience and knowledge if they are given supervision or instruction concerning the use of the freezer in a safe way and understand t...

Страница 8: ...ctions 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 as gasoline away from freezer Failure to do so can result in fire explosion or death Safety instruction for refrigerant DANGER Risk of Fire or Explosion Flammable Refrigerant Used To Be Repaired Only ...

Страница 9: ... 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 entering separately Door assembly 1 In the state of refrigerator door closure use screwdriver to remove the 3 fixed screws and then removes the upper hinge cover 2 During left right door disassembly unplug the harness plug...

Страница 10: ...e left right middle hinge 5 First of all remove the 6 screws indicated by the red arrow in the diagram 6 Take down the terminal cover remove the screws indicated by the arrow unplug the wiring terminal take off the variable temperature chamber door the disassembly operation for the lower freezing door is the same 7 Reverse operation to complete installation ...

Страница 11: ... the refrigerator and reserve space according to the recommended size in the picture which is conducive to heat dissipation performance improvement and energy consumption reduction When the refrigerator is placed in the cabinet counter depth you can reserve space according to the recommended size shown in the picture ...

Страница 12: ...rom the package bag of the user manual and then fasten it on the door body with a cross screwdriver 2 Take out the door handle from the refrigerating chamber and place it in the two handle fixed bolts in the direction as shown in the attached diagram 3 Use the allen wrench to fasten the screws in two holes of each handle with the handle fixing bolts 4 The installation of freezer door handle is sam...

Страница 13: ...hinge cover 2 Loose the screw on the hinge block make right and left adjustment for the upper hinge to insure the door aperture to be homogeneous 3 Put the hinge cover on suitable position and then use the screwdriver to fix the 3 fixed screws Adjustment to plane the door left and right 1 Use screwdriver to remove the 3 fixed screws and then remove the upper hinge cover 2 Loose the screw on the hi...

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: ...oor open 90 deg w No handle E 1027 40 4 Width Door open 90 deg w Handle E1 1124 44 3 Depth Door open 122 deg w F 1064 41 9 Width Door open 122 deg w No handle G 1460 5 57 5 Width Door open 122 deg w Handle G1 1524 60 0 The picture is only for reference 4 3 Midea product serial number and location 1 Product Serial Number Including order number production date and other information When the product ...

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: ...wiring terminal 20 U W 12 4Ω 5 U V 12 4Ω 5 W V 12 4Ω 5 Winding resistance picture Starter PTC None Overload protector OLP None Integrate PTC OLP None Variable frequency driver board Have Part code 17131000005241 Capacitor None Power filter EMI 250V 4A Power reactor EU EMC None Motor Fan motor of the freezing chamber DC12V 3 0 W 1600r min Fan motor of the refrigerating chamber DC12V 3 0 W 1600r min...

Страница 18: ...C12V 1 2W Others Lights None Switch of the lights Mechanical switch Magnetism control switch Other electrical parts Water valve AC110 127V 20W 2 Electric exchange valve DC12V 5W Defrosting parts Defrosting sensor NTC B3839 B5 25 3839K 2 Fuse in freezing chamber AC120V 77 0 4 Defrost heater in freezing chamber AC115V 190W Fuse in refrigerating chamber AC120V 77 0 4 Defrost heater in refrigerating c...

Страница 19: ...Service Manual_2020 V1 0 19 5 2 Circuit diagram Single ice maker F Freezer R Refrigerator M Chiller FD Freezer defrost RD Refrigerator defrost CF Condensation fan motor T H Temperature and humidity ...

Страница 20: ...e anti condensation heater strip 8 Variable temperature lamp 9 Spotlight of freezing chamber 10 Fan of freezing chamber 11 Ice maker fan 18 Refrigeration water inlet heater strip 19 Freezing water inlet heater strip Option 20 Fan of refrigeration chamber 21 Condensate fan 22 Freezing door switch 23 Left refrigeration door switch 24 Right refrigeration door switch 25 Variable temperature door switc...

Страница 21: ...ard terminal connection diagram Option Name of Connecting terminals Name of Connecting terminals 1 Variable frequency board power 2 Main control board power 3 Power line 4 Ice making motor 5 Mouth frame heater strip 6 Distributor water valve 7 Ice maker deicing heater 8 Refrigerating ice valve 9 Distributor heater strip 10 DC valve 11 Communication of display control board and distributor 12 Korea...

Страница 22: ...Service Manual_2020 V1 0 22 5 5 Inverter board terminal connection diagram Option ...

Страница 23: ...m 6 1 Refrigeration system working principle Compressor condenser The Anti condensation pipe Dry filter Electric switch valve REF capillary tube REF evaporator ICE capillary tube REF evaporator FRZ capillary tube FRZ evaporator Suction pipe Compressor ...

Страница 24: ...Service Manual_2020 V1 0 24 6 2 Cooling pipeline and drain pipe inside the cabinet 6 3 Circulating route of cooling air ...

Страница 25: ...opper pipe Φ6 0 Copper pipe Φ7 5 2 Heat transition tube and outlet of evaporator Copper pipe Φ6 35 Copper pipe Φ7 5 2 Welding points on freezer evaporator Welding point Pipe outer diameter mm 1 Freezer capillary and inlet of evaporator Copper pipe Φ6 35 Copper pipe Φ6 5 2 Heat transition tube and outlet of evaporator Copper pipe Φ6 35 Copper pipe Φ6 5 3 Welding points on ice maker evaporator ...

Страница 26: ...d inlet of fridge capillary Red mark Copper pipe Φ1 8 Copper pipe Φ2 0 5 Outlet 2 of electric valve and inlet of freezer capillary Black mark Copper pipe Φ1 8 Copper pipe Φ2 0 6 Heat transition tube and Suction connection tube Copper pipe Φ6 0 Copper pipe Φ6 2 7 Suction connection pipe and Compressor intake tube Copper pipe Φ6 0 Copper pipe Φ6 2 8 Compressor outlet tube and inlet of condenser Copp...

Страница 27: ... 1 Open the refrigerator door 2 Take the door seal out of door liner Door tray While squeezing it inward lift up the door tray and take it out from door liner Rollover box 1 Rotate the rollover box to the outside 2 Take out the rollover box obliquely upward from the door tank in the direction of the arrow Flipping beam component ...

Страница 28: ...separate the rollover beam components from door 3 Disconnect the wiring connector then replace the rollover beam Door stopper After removing the refrigeration door remove the fixing screws at the position shown in the figure remove the door self locking and block and complete the self locking replacement ...

Страница 29: ... the sliding shelf to the maximum location 3 Take out the sliding shelf upward Refrigerator glass shelf 1 Press the claw on left and right side of glass shelf bottom upward 2 Remove it from the notch of the glass shelf and take out the glass shelf Variable temperature chamber drawer 1 Open the variable temperature door to the place of maximum stroke hold both sides of the drawer lift the tail pull...

Страница 30: ...he left and right side of the freezer lower drawer and uplift the tail 2 Pull the whole drawer towards the box outside till the slide rail supporting buckle is separated from the drawer rotate over the rear and take out the drawer Freezer door slide rail assembly 1 Freezing drawer shall be taken out first for the disassembly of freezer slide rail 2 Remove the screw in the red circle as shown in th...

Страница 31: ...s is the same as that of the freezing door slide rail components 7 3 Light system Light Light on top of refrigerator 1 1 Use force to pry the lampshade at the gap indicated by the red circle in the diagram with a screwdriver and then take down the lampshade 2 Unscrew the fixing screw with a screwdriver and remove the top lamp mounting box 3 Remove the connecting terminals on LED light panel and ta...

Страница 32: ...ated at the bottom of the greenhouse door Use a screwdriver to pry the lamp cover 2 Take the LED lamp panel from the card slot disconnect the wiring terminal and remove the LED lamp The variable temperature chamber top light is located at the bottom of refrigerating left door and the disassembly method is the same as that of the freezer top light Light switch Light switchs of refrigerator ...

Страница 33: ...the light switch with a screwdriver 2 Unplug the terminal and complete the replacement The light switch of variable temperature chamber is located on the left tank of the variable temperature chamber and the disassembly method is the same as that of the freezer light switch of the freezer room 7 4 Air duct components refrigerating chamber and fan motor Air duct components of refrigerating chamber ...

Страница 34: ...Remove 7 fixed screw with a cross screwdriver 1 Hold the bottom drag the air duct component obliquely upward to make it separate from the liner 4 Disconnect the wiring connector 5 Take out the air duct of refrigerator room Fan motor ...

Страница 35: ...he back foam 3 Use cross screwdriver to remove the 3 pcs screws and dismantle the fan motor change into a new fan motor the reverse operation is for assembly Air door components 7 5 Variable temperature air duct and ventilation door Disassembly and assembly of variable temperature chamber ventilation door 1 Open the door of variable temperature chamber and take out its drawer ...

Страница 36: ... terminal indicated by the arrow and take down the plastic cover plate of the variable temperature ventilation door 4 Unplug the wiring terminal indicated by the arrow take out the variable temperature ventilation door from the ventilation door foam and take down the variable temperature ventilation door for replacement 7 6 Ice maker Option Disassembly of ice maker in refrigerator ...

Страница 37: ...press gently and then take it out outward horizontally 2 Remove the screw in the red circle move the ice maker outward to take it down 3 Unplug the connecting terminals Remove the ice maker Fan motor and air door 1 Remove the screw in the red circle and take off the harness end cap indicated by the arrow ...

Страница 38: ...rminals in the diagram and take off the fan component 3 Remove 3 screws in the red circle and change the fan 4 Pry the buckle indicated by the arrow in the diagram with a slotted screwdriver and take out the electric ventilation door for replacement ...

Страница 39: ...section 7 5 remove 4 screws in the red circle and change the crushed ice motor 7 8 Air duct components in freezing chamber and fan motor Air duct components in freezing chamber 1 Remove 2 screws in the red circle hold the obliquely upward pull air duct cover plate at the location indicated by the arrow 2 Disconnect the wiring connector ...

Страница 40: ...d circle 2 Disassemble the buckle around the freezing air duct and air duct cover plate with a slotted screwdriver to make the air duct separate from the cover plate 3 Use cross screwdriver to remove the 3 pcs screws and dismantle the fan motor change into a new fan motor the reverse operation is for assembly ...

Страница 41: ...es 4 Remove the evaporator to change a new one Defrost heater component on the evaporator This product s defrosting sensor fuse and defrosting heater are integrated components if only they do not work they can be replaced separately 1 Disconnect the connecting terminals 2 Cut off the band 3 Use nipper plier to unlock all metal hooks of heater pipe separate the heater from the evaporator 4 Change a...

Страница 42: ...emove the welding on inlet and outlet tubes 4 Remove the evaporator to change a new one Evaporator of ice maker in refrigerating chamber 1 After power failurue and removing the refrigerator air duct assembly use slotted screwdriver to unlock the plastic hook of fridge ice maker evaporator 2 Disconnect all connecting terminals 3 Remove the welding on inlet and outlet tubes 4 Remove the evaporator D...

Страница 43: ...se which can be dismantled separately 1 Disconnect the connecting terminals 2 Cut off the band 3 Separate it from the evaporator 4 Change a new heater 7 10 Compressor case Rear cover 1 Remove the screws fixing back cover plate 2 Take down the back cover plate upward Piping and parts in the compressor case ...

Страница 44: ...the power remove the goods in the refrigerator with the tape to make the door fixed firmly 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 should be carried by someone to prevent its falling 3 Cut off the compressor pipeline Cut off the process pip...

Страница 45: ... One screw inside 4 2 Remove the metal clamp for some models Disassembly the metal clamp that 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 ...

Страница 46: ... slowly 8 Loosen the screw of the compressor bottom plate remove the floor together with the compressor from the box 9 Use the wrench to remove 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 ...

Страница 47: ... low pressure muffler Welding the high pressure exhaust pipe 12 Replace the filter 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 of the process pipe then seal welding process tube ...

Страница 48: ...tion 1 Unplug the connection terminal by pressing the terminal lock 2 Use screwdriver to pry up the bottom meanwhile pull it outwards 3 Dismantle the condenser fan motor from the base Water valve Option 1 Remove the fixing screw as shown in the figure ...

Страница 49: ... position shown in the figure take out the water pipe and complete the replacement of water valve 4 The waterway interface corresponding to the water valve interface of single ice maker is as shown in the diagram Power supply box 1 Remove 2 fixed screws and 4 grounding screws indicated by the red circle ...

Страница 50: ... and pry the buckle around the power line box with a slotted screwdriver 3 Remove the fixed screw indicated by the red circle take out the harness and filter and take down the power line box Drain tray 1 Remove the bottom screws of the compressor bottom plate ...

Страница 51: ...ntrol board on the horizontal plane of variable temperature chamber door 1 Suck in the display control board with sucker 2 Pull out display control board with great strength 3 Unplug the wiring terminal of display PCB to complete the replacement of display control board 7 12 Main control board Main PCB have variable frequency driver board ...

Страница 52: ... the wiring connectors The connecting terminals remove a Use a needle tool to remove the lock at the arrow and remove the lock upward b After the lock is removed press the hook to remove the wiring connectors 3 Remove the screws then remove the main PCB and variable frequency driver board ...

Страница 53: ...isplay control board of distributor with sucker 2 Pull out display control board of distributor with great strength 3 Disassemble 2 screws of the fixed distributor 4 Hold the distributor component with both hands and pull it obliquely downward 7 14 Water dispenser Disassembly and installation of Water pipe connector ...

Страница 54: ...ion with thumb put strength to pull the water pipe from the water valve 2 The disassembly of the other end of the water valve is the same as 1 3 Press the water valve junction with thumb put strength to insert the water pipe into the water valve before loosening the pressing place to complete the water valve installation The disassembly method for two way water valve is the same as that of the one...

Страница 55: ...he filter cover with hand pull down in the direction of the arrow and open the filter cover 2 Rotate in anti clockwise direction remove the filter element for replacement Remark please turn off the waterway during filter element disassembly turn off the tap water 3 If filter cover disassembly is required it is necessary to remove 2 screws in the red circle and then use strength to unplug downward ...

Страница 56: ... water introducing pipe 2 Connect the water valve with cold water introducing pipe 3 Directly insert the drinking water pipe into the water connector at the back of the refrigerator supply 4 Open the main water supply pipeline to check the water leakage Note Check the water pressure automatic ice making run requires the water pressure between 30psi and100psi if not you may need to buy a booster ...

Страница 57: ...ct cover plate 2 Remove the sensor Sensor in refrigerating chamber The air duct components in refrigerator should be dismantled before removing the sensor Position of sensors There are 9 sensors Sensor in freezing chamber Sensor in refrigerating chamber Sensor in Fresh cooling big drawer Ambient temperatureor humidity sensor Defrost sensor in ice maker Defrost sensor in refrigerating chamber Defro...

Страница 58: ... of the sensor and take out the sensor fom the upper hinge cover Defrost sensor of ice making compartment The defrost sensor of ice making compartment is located in the top of ice maker defrost evaporator before removal of this sensor the refrigerator air duct shall be removed first 1 Disconnect the wiring terminal of defrost sensor 2 Disconnect the ribbon of fixation sensor 3 Separate the sensor ...

Страница 59: ... off the band which fixes the sensor 4 Separate the sensor and the evaporator Temperatureor sensor of ice making compartment Temperature sensor of ice making compartment is located in the rear of the ice making bucket the location indicated by the red circle 1 Take out the ice storage box of the ice making compartment and remove the screw indicated by the arrow 2 Disconnect the wiring terminal of ...

Страница 60: ...the red circle 2 Disconnect the wiring terminal indicated by the arrow and take out the ice maker 3 Disassemble the ice maker and separate the sensor from the ice maker 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 of sensor Spare parts code 11201007000795 Its technical spec...

Страница 61: ... 40 1 761 21 5 80 20 01 4 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 16 3 20 15 12 9 48 20 4 167 34 93 20 1 368 15 5 00 14 310 10 50 00 3 972 35 95 00 1 312 14 6 80 13 550 11 51 80 3 788 36 96 80 1 259 13 8 60 12 830 12 53 60 3 613 37 98 60 1 2...

Страница 62: ...vice Manual_2020 V1 0 62 9 15 80 10 350 16 60 80 2 999 41 105 80 1 029 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 63: ...Temperature down regulation setting 6 Temperature up regulation setting 7 Refrigeration selection 8 Freeze selection 9 Temperature adjustment of variable temperature chamber 10 Variable temperature gear display 11 Refrigeration ice maker setting 12 Economic mode setting 13 Filter prompt 14 Lock and unlock setting Ice making display control Buttons Icons 1 Cubed mode 2 Water mode 3 Crushed mode ...

Страница 64: ...temperature key every time 1 gear will be added after adding to WINE fourth gear if pressing the variable temperature key again the gear will return to MEAT first gear Temperature setting corresponding to each gear MEAT 1 30 BEV 1 34 DELI 3 37 WINE 5 41 the setting will take effect after locking 1 1 3 5 1 30 34 37 41 30 9 3 Mode setting 9 3 1 Super freeze mode Press the FREEZER Temp button for thr...

Страница 65: ... take effect after locking 9 3 9 Lock and Unlock Under unlock state by continuously pressing lock key WAKE UP for 2s it will enter lock state and the lock buzzing sound will ring Under lock state by continuously pressing lock key WAKE UP for 2s it will enter unlock state and the unlock buzzing sound will ring 9 3 10 Conversion between Fahrenheit and Celsius By pressing and for 3s Fahrenheit and Ce...

Страница 66: ...d temperature of freeze defrost temperature sensing Tfd 8 of the defrosting quit temperature or the heater continuous operation is up to 60min 2 Freeze defrosting sensor is of failure and the heater continuous operation is up to 32min Once one of the following condition is met it is allowed to quit ice making compartment defrosting heating 3 Ice making defrost sensor is free of failure the measure...

Страница 67: ...n variable chamber C9 Sensor fault of ice making compartment E4 Defrost sensor fault in refrigerating chamber Step 1 Check whether the connection terminals are plugged in place and whether there are foreign matters in them after cleaning the terminals plug them in again Step 2 If the fault still occurs pull out the corresponding connection terminal on the main PCB use a multimeter to check the res...

Страница 68: ... s on the ice maker and the main PCB are plugged in place and whether there are foreign matters in them after cleaning the terminals plug them in again Step 2 If the fault still occurs pull out the connection terminal on ice maker use a multimeter to check the resistance value of the sensor and confirm whether it is normal Step 3 If the resistance value is wrong replace the sensor Step 4 If the fa...

Страница 69: ...ng the terminals plug them in again Step 2 If the fault still occurs pull out all connection terminals use a multimeter to check the resistance value of the wire between the icemaker control board and the main PCB to see if it is broken If test value is Ω the wire is broken Step 3 If the wire is OK replace the icemaker control board Step 4 If the fault still occurs replace the main PCB Simultaneou...

Страница 70: ...nsor is always lower than 8 C and the defrosting heater has been working for 60 minutes Then the refrigerator will exit the test mode and return to normal operation mode Select to exit the test mode Enter into test mode and press button for the four time LED indicators display 0 then the refrigerator will exit the test mode and return to normal operation mode 9 8 EYE Detection Mode of Ice Maker By...

Страница 71: ...racter for 2s 3 Under demo mode turn off all loads except the light and the mode will achieve automatic shutdown after sustaining 16h 4 It is only allowed to quit the demo mode after power on for 3 minutes 9 10 Backup data for power fail 1 The running state of the refrigerator is remembered after compressor running for 1 hour continuously 2 The running state of the refrigerator is remembered after...

Страница 72: ...the compressor will maintain the original state 10 2 Inverter board fault analysis Option Running status of LED Fault Type Troubleshooting and Solutions The light stays on normal work Blink once light 1 second extinguish 1 second Standby Step 1 Test the voltage between the two pins of communication it should be 1V the voltage between pins of L and N it should be 110V Step 2 If the test result of s...

Страница 73: ...1 5 second Overload protection Step 1 Measure whether the U V W resistance of compressor is same Step 2 If ok replace a new inverter board Step 3 If not same please check the wiring connection to compressor Step 4 If the connection is fine replace a new compressor Blink eight times light 0 5 second extinguish 0 5 second interval time extinguish is 1 5 second Lock Step 1 Measure whether the U V W r...

Страница 74: ...Service Manual_2020 V1 0 74 11 Troubleshooting Method 11 1 No cooling Air cooling Electronic ...

Страница 75: ...Service Manual_2020 V1 0 75 ...

Страница 76: ...Service Manual_2020 V1 0 76 11 2 No working of compressor ...

Страница 77: ...Service Manual_2020 V1 0 77 11 3 Inside frosting no defrosting ...

Страница 78: ...Service Manual_2020 V1 0 78 11 4 Inside frosting no defrosting Maintenance guidelines ...

Страница 79: ...Service Manual_2020 V1 0 79 11 5 Light is not on ...

Страница 80: ...Service Manual_2020 V1 0 80 11 6 Fan failure 11 7 Defective defrost circuit ...

Страница 81: ...Service Manual_2020 V1 0 81 11 8 Noise 11 9 Air duct not operated ...

Страница 82: ...Service Manual_2020 V1 0 82 11 10 Ice makernot make ice Option ...

Страница 83: ...Service Manual_2020 V1 0 83 11 11 No ice or crushed ice falling off the distributor Option ...

Страница 84: ...Service Manual_2020 V1 0 84 12 Product exploded view and spare parts list Please log in to TSP system to view and download these contents ...

Страница 85: ...g 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 about where you can drop off your waste for recycling please contact your local authority or where you purchased your product Midea Refrigerators If you need to get detailed technical information from t...

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