Midea TMF Series Service Manual
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Service Manual_2018-V2.0
Service Manual
TMF SERIES
Applicable Models
Model Code
Applicable Models
HD-377FWEN
UR-BCD290WE-DQ
22031020005681
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.
1
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Table of Contents
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Summary of Contents for Midea TMF Series
- Page 1 Service Manual_2018-V2.0 Service Manual TMF SERIES Applicable Models Model Code Applicable Models HD-377FWEN UR-BCD290WE-DQ 22031020005681 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...
- Page 2 Manufacturers or distributors are not responsible for the content of the Manual and interpretation thereof. Midea Refrigerators Technical Maintenance Manual Copyright @2017 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.
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Page 3: Table Of Contents
Service Manual_2018-V2.0 Contents SIGNIFICANT UPDATE NOTES(NONE) .....................5 2. SAFETY WARNING CODE ..........................6 2.1 W .........................6 ARNING FOR OPERATION SAFETY 2.2 S .......................8 AFETY INSTRUCTION FOR REFRIGERANT 3. TRANSPORT ..............................9 3.1 H ..............................9 ANDLING 4. INSTALLATION AND COMMISSIONING ..................... 10 4.1D ) .................... - Page 4 Service Manual_2018-V2.0 10. FUNCTION AND OPERATION ........................30 10.1 O ............................ 30 PERATION PANEL 10.2 T ..........................30 EMPERATURE SETTING 10.3 O ) ........................30 PEN DOOR ALARM 10.4 D ..........................30 EFROSTING FUNCTION 10.5 T ............................31 EST MODE 10.6S ..........................
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Page 5: Significant Update Notes(None)
Service Manual_2018-V2.0 1. Significant update notes(None) -
Page 6: Safety Warning Code
Service Manual_2018-V2.0 2. Safety Warning Code 2.1 Warning for operation safety Important Safety Instructions CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol indicates that dangerous voltage constituting a risk of electric shock is present within your freezer. This symbol indicates that there are important operating and maintenance instructions in the literature accompanying your freezer. - Page 7 Service Manual_2018-V2.0 CONNECTING ELECTRICITY Electrical Shock Hazard. Failure to follow these instructions can Plug into a grounded 3-prong outlet. result in death, fire, or electrical shock. Do not remove the ground prong. Do not use an adapter. WARNING Electric Shock Hazard Failure to follow these instructions can result in electric shock, fire, or death.
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Page 8: Safety Instruction For Refrigerant
Service Manual_2018-V2.0 13) Do not store or use gasoline or any flammable liquids inside or in the vicinity of this freezer. 14) Do not use extension cords or ungrounded (two-prong) adapters with this freezer. If the power cord is too short, have a qualified electrician install an outlet near the freezer. Use of an extension cord can negatively affect the freezer’s performance. -
Page 9: Transport
Service Manual_2018-V2.0 3. Transport 3.1 Handling Handling 1)Protect 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 10: Installation And Commissioning
Service Manual_2018-V2.0 4. Installation and commissioning 4.1Door Disassembly and Assembly (None) The refrigerator door needs to be dismantled if it cannot enter the room in the whole. Disassembly of Freezer door Disassembly of Freezer door None Disassembly of refrigerator door Disassembly of refrigerator door None 4.2 Installation location... -
Page 11: Left Or Right Open Door Reversal
Service Manual_2018-V2.0 4.4 Left or right open door reversal Door reversal Unplug your refrigerator and remove all food from the door shelves. Dismantle upper hinge cover, upper hinge and hole cap of the other side, remove the freezer door. ；Dismantle the middle hinge, the screw hole caps and remove the refrigerating door Dismantle the bottom hinge, hole caps and screws, Install the bottom hinge shaft and adjust foot on the other... -
Page 12: Installation Of Handle（None
Service Manual_2018-V2.0 Put the cold door on the lower hinge, install the middle hinge, cover, screw and screw cap Put the refrigerating door on the middle hinge, install the upper hinge, hinge cover and hole cap 4.5 Installation of handle（None） 4.6 Installation of door lock（None）... -
Page 13: Product Configuration And Dimension
Service Manual_2018-V2.0 5. Product configuration and dimension 5.1 Main parts and their names (The picture is only for reference, and specific appearance and configuration are subject to the real product) FRZ. chamber REF. chamber Steel wire shelf of freezer LED light F large tray Temperature controller panel Glass shelf... -
Page 14: External Dimension
Service Manual_2018-V2.0 5.2 External dimension Description Code Size (mm) Height to Top of Case 1523 Width Depth w/Cabinet Depth w/Door Depth w/Handle Depth (Door open 90 deg. w) 1194 Depth (Door open 145 deg. w) 1117 Width (Door open 145 deg. w) (The picture is only for reference) -
Page 15: Location Of S/N
Service Manual_2018-V2.0 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: Product Specification
Service Manual_2018-V2.0 6. Product specification 6.1 Electrical parameters Applicable Models HD-377FWEN Product Name UR-BCD290WE-DQ 22031020005681 Product Code Item Specification Specification Refrigerant R600a Compressor FZ59E1D-U Starter(PTC) QP2-4R7 Overload protector(OLP) DRB25T61A1 Integrate PTC+OLP None Variable frequency driver board None Capacitor None Power filter None Rmc：7.28±7%Ω... -
Page 17: Circuit Diagram
Service Manual_2018-V2.0 6.3 Circuit diagram... -
Page 18: Refrigerating Piping System And Circulating Route Of Cooling Air
Service Manual_2018-V2.0 7. Refrigerating piping system and circulating route of cooling air 7.1 Refrigerating piping system 1.Compressor→2.Exhaust transition pipe→3.Left condenser→4.Anti-condensationg tube→5.Right condenser→6.Dry filter→7.Capillary tube→8.Evaporator→9.Return pipe→10.Return transition pipe (The picture is only for reference, and specific appearance and configuration are subject to the real product) 7.2 Special soldering position... -
Page 19: Dismantling Of Parts
Service Manual_2018-V2.0 8. Dismantling of parts 8.1 Parts on the door Door seal Door seal is installed into door liner groove. 1) Open the refrigerator door. 2) Take the door seal ① out of door liner. Door tray While squeezing it inward, lift up the baffle and take it out from refrigerator liner. -
Page 20: Light System
Service Manual_2018-V2.0 Lift up the division plate with a proper force and pull it out towards yourself; 8.3 Light system Light Light The refrigerator compartment lights are in the top of fridge liner 1） Use the flat screwdriver to open the light cover;... - Page 21 Service Manual_2018-V2.0 Before removing the duct assembly, remove all accessories from the freezer compartment 1） Pry the cap off with a razor blade 2） Remove one setscrew with two Phillips screwdrivers Use a flat screwdriver to pry out from the duct 3）...
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Page 22: Evaporator And Defrost System(None)
Service Manual_2018-V2.0 Remove the 2 clips fixing the fan with hands. 8.5 Evaporator and Defrost system(None) Evaporator in freezing chamber Evaporator in freezing chamber 1）Remove the air duct components in freezing chamber. 2）Disconnect all connectors. 3）Remove the welding on inlet and outlet tubes. 4 ）... -
Page 23: Compressor Case
Service Manual_2018-V2.0 Defrost heater The defrost heater is located at bottom of the evaporator. Disconnect the connector of defrost heater. Cut off the band which fixes the defrost heater. Take off the defrost heater from the evaporator. Don’t break the welding of the evaporator in case that only the defrost heater needs to be replaced. - Page 24 Service Manual_2018-V2.0 4-1）Remove the screws(for some models) -Two screws outside -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.
- Page 25 Service Manual_2018-V2.0 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 steps❹❺❻❼, replace the compressor and reverse process can complete installation. 10）Use Pipe cutter cut off the condenser tube❽, then Shear off capillary ❾...
- Page 26 Service Manual_2018-V2.0 12）Replace the filter, Cu-Fe tubes welding ⓭ used Ag welding rod, Cu-Cu tubes welding ⓮ 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 p ipe, then seal welding process tube⓯⓰.
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Page 27: Main Control Boardl
Service Manual_2018-V2.0 Drain tray Disengage the drain tray buckle out of the compressor bottom plate installation hole. 8.7Main control boardl 1） Main control board mounting assembly is located inside the air duct of refrigerator. Open the cover with a flat screwdriver;... -
Page 28: Temperature Sensing System
Service Manual_2018-V2.0 9. temperature sensing system 9.1 Position of sensors Position of sensors Have 3sensors ① Sensor in freezing chamber ② Sensor in refrigerating chamber ③ Sensor in Variable temperature chamber ④ Ambient temperature or humidity sensor ⑤ Ice machine sensor ⑥... - Page 29 Service Manual_2018-V2.0 Defrost sensor The defrost sensor is located on top of the evaporator. Disconnect the connector of defrost sensor Cut off the band which fixes the sensor. Separate the sensor and the evaporator. *Don’t break the welding of the evaporator in case that only the sensor needs to be replaced.
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Page 30: Function And Operation
Service Manual_2018-V2.0 10. Function and operation 10.1 Operation panel (The picture is only for reference, and specific appearance and configuration are subject to the real product) Icons: Button: ① -Gear 1②-Gear 2③-Gear 3④-Gear 4⑤-Gear 5 A: gear setting key 10.2 Temperature setting The gear will be changed once every time when you press the key SET. -
Page 31: Test Mode
Service Manual_2018-V2.0 Defrosting theory and steps: 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 via the draining system, the water in evaporating pan evaporate away finally Defrosting steps: Compressor switch off- -air duct closed---the fan in freezer chamber works for 3~10 min(for different... -
Page 32: Compressor
Service Manual_2018-V2.0 11. Compressor 11.1Compressor on and off Control specifications 1.1 When one of the following conditions is met, the compressor 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;... -
Page 33: Troubleshooting Method
Service Manual_2018-V2.0 12. Troubleshooting Method 12.1Not cooling... -
Page 34: No Working Of Compressor
Service Manual_2018-V2.0 12.2 No working of compressor 12.3Inside frosting, no defrosting-Maintenance guidelines... -
Page 35: Light Is Not On
Service Manual_2018-V2.0 12.4 Light is not on 12.5 Noise... -
Page 36: Figures And Details Of Repair Parts
Service Manual_2018-V2.0 13. Figures and details of repair parts See this section in the TSP. - Page 37 MIDEA appliances after sales website tsp.midea.com For more information about Midea appliances after sales, please visit the tsp.midea.com For more information about the service manual, please visit the For more information about the EV and SBOM, please visit the tsp.midea.com...
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