Midea HS-312FWEN Service Manual Download | Manualshive

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Service Manual_2020-V1.0

26

1

）

Remove

the back of freezer air duct

screw,

break

the 11 buckles around and remove the front cover

2

）

Remove the 3 screws with a Phillips screwdriver to

separate the air duct cover and the fan

3

）

Change the fan motor, the reverse operation for

assembly

7.5 Evaporator and Defrost system

Evaporator in freezing chamber

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Summary of Contents for HS-312FWEN

Page 1: ...plicable Models HS 312FWEN UR BD240WE ST 22031010001721 The picture in this service manual is only for reference and specific appearance and configuration are subject to the real product This manual m...

Page 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...

Page 3: ...TRICAL PARTS PARAMETERS 16 5 2 CIRCUIT DIAGRAM 18 5 3 MAIN PCB TERMINAL CONNECTION DIAGRAM 19 5 4 INVERTER BOARD TERMINAL CONNECTION DIAGRAM NONE 19 6 REFRIGERATION SYSTEM 20 6 1 REFRIGERATION SYSTEM...

Page 4: ...9 8 DEMO MODE NONE 42 9 9 BACKUP DATA FOR POWER FAIL 42 10 COMPRESSOR 43 10 1 COMPRESSOR ON AND OFF CONTROL SPECIFICATIONS 43 10 2 INVERTER BOARD FAULT ANALYSIS NONE 43 11 TROUBLESHOOTING METHOD 44 11...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 10: ...to lower the refrigerator 3 5 Left or right open door reversal Option Door reversal 1 Unplug your refrigerator and remove all food from the door shelves 2 Dismantle the screw hole caps screws and hand...

Page 11: ...upper cover Dismantle the right door stopper sleeve pipe from the right bottom of door insert the sleeve pipe into hinge hole of left bottom of door and take out left door stopper from the accessory b...

Page 12: ...n Installation of handle Installation of handle 1 Precautions shall be taken to prevent fall of the handle from causing any personal injury 2 Assembly steps a Use allen wrench to fix screws into the s...

Page 13: ...ternal dimension 4 1 Main parts The picture is only for reference and specific appearance and configuration are subject to the real product The picture is only for reference and specific appearance an...

Page 14: ...g w F 1171 2 Depth Door open 135 deg w G 1042 Width Door open 135 deg w H 1015 The picture is only for reference and specific appearance and configuration are subject to the real product 4 3 Midea pro...

Page 15: ...Service Manual_2020 V1 0 15 2 Paste location Some products also have S N on the lower part of the right side of the Cabinet...

Page 16: ...ing resistance of compressor wiring terminal 20 Rmc 6 83 7 Rsc 6 23 7 Rms Rmc Rsc Winding resistance picture Starter PTC QP2 4R7 Part code 12031000001063 Overload protector OLP DRB26T61A1 Part code 12...

Page 17: ...020 V1 0 17 Switch of the light Mechanical switch Magnetism control switch Defrosting parts Defrosting sensor NTC B3839 B5 25 3839K 2 Fuse in freezing chamber 115V 77 0 5 Defrost heater in freezing ch...

Page 18: ...Service Manual_2020 V1 0 18 5 2 Circuit diagram F Freezer FD Freezer Defrost A Ambient temperature...

Page 19: ...Service Manual_2020 V1 0 19 5 3 Main PCB terminal connection diagram 5 4 Inverter board terminal connection diagram None...

Page 20: ...ompressor 2Right condenser 3Anti condensation tube 4Left condenser 5Dry filter 6Capillary tube 7Evaporator 8Suction tube 1Compressor The picture is only for reference and specific appearance and confi...

Page 21: ...elding 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 Copper pipe 6 35 2 Heat tr...

Page 22: ...e Steel pipe 4 0 Steel pipe 4 0 3 Outlet of 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...

Page 23: ...tor door 2 Take the door seal out of door liner Door tray None 7 2 Parts inside the refrigerator Freezer drawer Remove the freezer drawer according to below steps 1 First pull out the drawer 2 Lift it...

Page 24: ...Service Manual_2020 V1 0 24 7 3 Light system Light None Switch The switch is locate in the top hinge cover of cabinet 1 Remove the screw of hinge cover 2 Remove the hinge cover 3 Remove the switch...

Page 25: ...reezing chamber and fan motor Air duct components in freezing chamber All accessories in the freezing chamber should be dismantled before removing the air duct components 1 Remove 2 screws on the cove...

Page 26: ...break the 11 buckles around and remove the front cover 2 Remove the 3 screws with a Phillips screwdriver to separate the air duct cover and the fan 3 Change the fan motor the reverse operation for as...

Page 27: ...screws which are used to fix the evaporator and remove the evaporator Components on the evaporator Defrost heater with defrost sensor and fuse it can be replaced separately 1 Cut off wiring terminal 2...

Page 28: ...ing 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 low p...

Page 29: ...ll it out and remove it 7 Remove the starter and protector Unplug the starter and protector you can use a screwdriver to pry it slowly 8 Loosen the screw of the compressor bottom plate remove the floo...

Page 30: ...eplace the compressor and welding the compressor pipeline Welding the low pressure muffler Welding the process pipeline Welding the high pressure exhaust pipe 12 Replace the filter Cu Fe tubes welding...

Page 31: ...system in the compressor case 1 Compressor 2 Exhaust transition pipe 3 Condenser 4 Dry filter 5 Capillary 6 Suction pipe 7 Return transition pipe Drain tray 1 Disengage the drain tray buckle out of t...

Page 32: ...n the display control panel 2 Use a slotted screwdriver to pry open the three clips 3 Pull out the connector terminal and replace the display control board The temperature control indication sticker i...

Page 33: ...7 8 Main control board Main control board Main control board is locate in the box of compressor case 1 Remove two screws outside 2 Remove main control board box cover 3 Disassembly the connector repl...

Page 34: ...Service Manual_2020 V1 0 34 7 9 Variable frequency driver board None 7 10 Water dispenser NONE...

Page 35: ...nsors Position of sensors Have 3 sensors Ambient temperature or humidity sensor Sensor in freezing chamber Defrost sensor freezing chamber Sensor in freezing chamber Before remove the sensor the freez...

Page 36: ...mbient temperature sensor is located in upper hinge cover Defrost sensor in freezing chamber 1 Before remove the sensor the duct assembly should be removedRemove the air duct assembly 2 Remove the sen...

Page 37: ...6 1 33 80 6 175 26 78 80 1 919 23 9 40 22 43 2 35 60 5 873 27 80 60 1 838 22 7 60 21 18 3 37 40 5 587 28 82 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 6...

Page 38: ...788 36 96 80 1 259 13 8 60 12 830 12 53 60 3 613 37 98 60 1 209 12 10 40 12 160 13 55 40 3 447 38 100 40 1 161 11 12 20 11 520 14 57 20 3 290 39 102 20 1 115 10 14 00 10 920 15 59 00 3 141 40 104 00 1...

Page 39: ...5 Gear Temperature 41 or 0 Gear Temperature 38 or 6 Gear Temperature 35 or 11 Gear Super cool or Super freezer 9 2 Temperature control 9 2 1 Temperature setting of refrigerating The temperature settin...

Page 40: ...on Defrosting theory The defrosting of evaporator is realized by the heating of heater following the temperature rise the frost on evaporator becomes water and the water flow into the evaporating pan...

Page 41: ...ion terminal on the display control panel hinge cover and 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 faul...

Page 42: ...8 and the defrosting heater has been working for at least 2 minutes then the refrigerator will exit the test mode and return to normal operation mode In forced defrosting mode if the defrosting heater...

Page 43: ...rs will stop at least 10 minutes 1 2 When compressor shutdown time has been more than 5 min one of the following conditions is met the compressor starts up 1 Measured temperature in refrigerator chamb...

Page 44: ...Service Manual_2020 V1 0 44 11 Troubleshooting Method 11 1 No cooling Air cooling Electronic...

Page 45: ...Service Manual_2020 V1 0 45...

Page 46: ...Service Manual_2020 V1 0 46 11 2 No working of compressor...

Page 47: ...Service Manual_2020 V1 0 47 11 3 Inside frosting no defrosting...

Page 48: ...Service Manual_2020 V1 0 48 11 4 Inside frosting no defrosting Maintenance guidelines...

Page 49: ...Service Manual_2020 V1 0 49 11 5 Light is not on...

Page 50: ...Service Manual_2020 V1 0 50 11 6 Fan failure 11 7 Defective defrost circuit...

Page 51: ...Service Manual_2020 V1 0 51 11 8 Noise 11 9 Air duct not operated Option...

Page 52: ...Service Manual_2020 V1 0 52 11 10 Ice maker not make ice Option...

Page 53: ...Service Manual_2020 V1 0 53 12 Product exploded view and spare parts list Please log in to TSP system to view and download these contents...

Page 54: ...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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