Midea CHEST FREEZER Series, Service Manual

Page 1: ...plicable Models HS 252CN CE BD194 FQ 22032010000134 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 ...

Page 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...

Page 3: ...ONFIGURATION AND DIMENSION 13 5 1 MAIN PARTS AND THEIR NAMES 13 5 2 EXTERNAL DIMENSION 14 5 3 LOCATION OF S N 15 6 PRODUCT SPECIFICATION 16 6 1 ELECTRICAL PARAMETERS 16 6 2 COOLING TEMPERATURE SETTING RANGE 16 6 3 CIRCUIT DIAGRAM 17 7 REFRIGERATING PIPING SYSTEM AND CIRCULATING ROUTE OF COOLING AIR 18 7 1 REFRIGERATING PIPING SYSTEM 18 7 2 SPECIAL SOLDERING POSITION 18 8 DISMANTLING OF PARTS 19 8 ...

Page 4: ...SPECIFICATIONS 30 10 2VARIABLE FREQUENCY DRIVER BOARD FAULT ANALYSIS NONE 30 11 TROUBLESHOOTING METHOD 31 11 1NOT COOLING 31 11 2 NO WORKING OF COMPRESSOR 32 11 3THERMOSTAT MALFUNCTION UNDERCOOLING 32 11 4 LIGHT IS NOT ON 33 11 5 NOISE 33 13 FIGURES AND DETAILS OF REPAIR PARTS 34 ...

Page 5: ...Service Manual_2018 V2 0 5 1 Significant update notes None ...

Page 6: ...near 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 i...

Page 7: ...ild entrapment Before you throw away your old freezer 6 1 Take off the doors 6 2 Leave 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 supervi...

Page 8: ...tric shock Consult a qualified electrician or service person if the grounding instructions 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 refriger...

Page 9: ...2 032 2 352 2 690 m Container scheme and Container QTY What floor QTY Door direction Cabinet direction 1st floor 48 Outside 2nd floor 48 Outside 3rd floor 48 Outside 4th floor Outside Total 144 Container diagram Notes The goods on the top layer of the container may conflict with the position of the side corner of the container ...

Page 10: ... the refrigerator in moving it Same as shown as lef t photo please move it by handcart with cushion 2 Remove all packing materials and bottom cushion the m ove into house for placement 3 After moving it to appropriate location wait for 2 hours bef ore power on ...

Page 11: ...ole 4 2 Installation location Installation location Location that is easy for ventilation shall be chosen to facilitate heat dissipation enhance its performance and reduce the energy consumption 4 3 Leveling of the refrigerator Leveling of the refrigerator If the refrigerator cannot be placed steadily adjust the footing to level it 4 4 Installation of handle Installation of handle ...

Page 12: ... lock loop with its countersunk side facing outwards 2 Hold the handle with the left hand and aim its mounting hole at the mounting hole of the door Insert the key into the keyhole with the right hand and then turn the key clockwise to drive the rotation of the lock hook Meanwhile adjust the position of the handle from side to side in a proper manner to ensure the lock hook can hook the lock loop ...

Page 13: ... only for reference and specific appearance and configuration are subject to the real product Freezer chamber Refrigerator chamber Door shell The door end cover Door gasket Door liner Cabinet assembly Drain pipe cover Levelling feet Compressor mounting panel Temperature control panel Hinge Lamp cover Door handle ...

Page 14: ...ce Manual_2018 V2 0 14 5 2 External dimension Description Code HS 252CNSize mm Height to Top of Case A 850 Width B 945 Depth Hinge C 535 Depth D 512 Height Door open E 1335 The picture is only for reference ...

Page 15: ...Service Manual_2018 V2 0 15 5 3 Location of S N Some products also have S N on the lower part of the right side of the Cabinet ...

Page 16: ...TM117SF2 DRB12S61A1 Integrate PTC OLP None Variable frequency driver board None Capacitor 3 0μF Winding resistance of compressor wiring terminal Rmc 40 1 7 Ω Rsc 23 2 7 Ω Rms Rmc Rsc Winding resistance picture The input power of compressor 83 3W Lights inside the refrigerator Door lamp 2W Indicator lamp Power run Switch of the refrigerator door Mechanical switch Magnetism control switch 6 2 Coolin...

Page 17: ...Service Manual_2018 V2 0 17 6 3 Circuit diagram ...

Page 18: ...8 7 Refrigerating piping system and circulating route of cooling air 7 1 Refrigerating piping system Compressor Back hanging wire tube condensor Front condenser Dry filter Capillary tube Evaporator 7 2 Special soldering position ...

Page 19: ...g smoothly The hinge cover The hinge cover teardown 1 Strongly apart a proper angle with your hands along the side wall of the lower hinge cover when the refrigerator door is open to separate the hinge cover boss from the hinge hole and outwardly remove the lower hinge cover Note represents the upper hinge cover and represents the lower hinge cover 2 Remove the upper hinge cover in the same way Th...

Page 20: ... cover boss is fully and correctly inserted into the hinge holes Then the upper and lower hinge covers are all installed in place Door lamp line 1 Remove the two screws 2 Press the clip with your hand to disconnect the block terminal and separate the wiring harness Note represents the door lamp line represents the wiring harness connecting the refrigerator 8 2Parts inside the refrigerator Basket O...

Page 21: ...is the incandescent lamp 2 Screw off the screws to remove the incandescent lamp holder or LED lamp panel Note The incandescent lamp is shown in the left picture and the LED lamp is shown in the right picture which is mounted on the mounting panel 3 Screw the lamp off the holder or remove the LED lamp panel Pilot light Pilot light POWER RUN 8 4 Compressor case shutter Pull down the screw open the s...

Page 22: ...xhaust pipe 2 1 Remove the screws for some models Two screws outside One screw inside 2 2 Remove the metal clamp for some models Disassembly the metal clamp that is fix the electric appliance shield 3 Remove the clipping strip Slowly pull it out 4 Remove the protective cover Pry the protective cover slowly from the upper part Pull it out and remove it ...

Page 23: ... slowly 6 Loosen the screw of the compressor bottom plate remove the floor together with the compressor from the box 7 Use the wrench to remove the bolts by steps replace the compressor and reverse process can complete installation 8 Use Pipe cutter cut off the condenser tube then Shear off capillary by the capillary tube scissors ...

Page 24: ...the high pressure exhaust pipe 10 Replace the filter Cu Fe tubes welding used Ag welding rod Cu Cu tubes welding used Cu welding rod 11 Vacuum system The degree of vacuum below 6Pa 12 Perfusion refrigerant 13 Use the vise grip pliers clamp the middle of the process pipe then seal welding process tube Piping system in the compressor case Capacitor Compressor ...

Page 25: ...bly Drying filter Capillary Protective cover Wires Suction Pipe 1 Hanging wire condenser pipeline 1 2 Front condenser pipeline 2 2Anti dew pipe 2 Compressor Assembly Board 8 5Temperature control box assembly Temperature control box assembly screw Temperature control box Thermostat Temperature control panel TEMP control knob Indicator light ...

Page 26: ...nds Note there are four shrapnels separately in the four corners require enough strength to press shrapnel Suggest pressing one and pushing toward the corner as the above one by one 2 Take out of temperature control box assembly after four corner pushed out 3 Remove the control box screw take out the control box cover ...

Page 27: ..._2018 V2 0 27 4 Pull out the wiring harness and indicator light 5 Pull out the control knob 6 Pull out the fixed nut of the thermostat 7 remove the indicator light and thermostat the reverse operation is for assembly ...

Page 28: ...ion and operation 9 1 Operation panel Icons Button Power indicator Run indicator Fast freeze indicator Ⓐ refrigeration gear Ⓑ freezer gear Ⓒ Quick freeze gear Power indicator Run indicator Alarm indicator Ⓐ 1 2 3 4 5 6 freezer gear Ⓑ OFF ...

Page 29: ... for freezing 4 When turn to SUPER or HI gear the freezer getting fast freeze and the compressor will not stop until you turn the button to the other position 5 OFF gear is the compressor stop working 9 3High temperature an alarm ALARM indicator light when the inside temperature is too high 9 4Defrosting function Unplug the freezer and open the freezer door remove foods and drawers before defrosti...

Page 30: ...ressor stops 1 Tr Trt 2 The compressor runs continuously for more than 3 hours Stop 5 minutes 1 2 When all the following conditions are met the compressor starts up 1 Tr Trk 2 Compressor downtime is more than 5min When 1 1 and 1 2 are not satisfied the compressor maintains the original state 10 2Variable frequency driver board fault analysis None ...

Page 31: ...Service Manual_2018 V2 0 31 11 Troubleshooting Method 11 1Not cooling ...

Page 32: ...Service Manual_2018 V2 0 32 11 2 No working of compressor 11 3Thermostat malfunction Undercooling ...

Page 33: ...Service Manual_2018 V2 0 33 11 4 Light is not on 11 5 Noise ...

Page 34: ...Service Manual_2018 V2 0 34 13 Figures and details of repair parts See this section in the TSP ...

Page 35: ...ng please contact your local authority or where you purchased your product MIDEA appliances after sales website For more information about Midea appliances after sales please visit the tsp midea com For more information about the service manual please visit the tsp midea com For more information about the EV and SBOM please visit the tsp midea com How to login TSP system Use Google browser visit t...