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Service Manual_2021-V1.0
Service Manual
COMPACT SERIES
Applicable Models
Model Code
Applicable Models
HS-164LN
UR-BC126CM-ST
22031010004043
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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Summary of Contents for Midea COMPACT UR-BC126CM-ST
- Page 1 Service Manual_2021-V1.0 Service Manual COMPACT SERIES Applicable Models Model Code Applicable Models HS-164LN UR-BC126CM-ST 22031010004043 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 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_2021-V1.0 Contents 1. SIGNIFICANT UPDATE NOTES (NONE) ......................5 2. SAFETY WARNING CODE ........................... 6 2.1 W ........................... 6 ARNING FOR OPERATION SAFETY ......................... 8 2.2 S AFETY INSTRUCTION FOR REFRIGERANT 3. TRANSPORT ................................. 9 ................................... 9 3.1 H ANDLING 4. - Page 4 Service Manual_2021-V1.0 10.3 O ) ..........................24 PEN DOOR ALARML 11. COMPRESSOR ..............................25 11.1 C ..................25 OMPRESSOR ON AND OFF ONTROL SPECIFICATIONS 12. TROUBLESHOOTING METHOD ........................26 12.1 N ................................. 26 OT COOLING 12.2 N ..........................27 O WORKING OF COMPRESSOR ......................
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Page 5: Significant Update Notes (None)
Service Manual_2021-V1.0 1. Significant update notes (None) -
Page 6: Safety Warning Code
Service Manual_2021-V1.0 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_2021-V1.0 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_2021-V1.0 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_2021-V1.0 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_2021-V1.0 4. Installation and commissioning 4.1 Door Disassembly and Assembly The refrigerator door needs to be dismantled if it cannot enter the room in the whole. 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. -
Page 11: Installation Of Handle（None
Service Manual_2021-V1.0 Dismantle the upper hinge cover，screws and upper hinge，and remove the plastic screw hole caps from the other side. Dismantle the door and the bottom hinge assembly and adjustable foot, then assemble the bottom hinge assembly and adjustable foot on other side. Put the door on bottom hinge and assemble the upper hinge, upper hinge cover and plastic screw hole caps successively. -
Page 12: Product Configuration And Dimension
Service Manual_2021-V1.0 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) 5.2 External dimension Description Code Size (mm) Height to Top of Case Width Depth w/Cabinet Depth w/Door... -
Page 13: Location Of S/N
Service Manual_2021-V1.0 (The picture is only for reference) 5.3 Location of S/N Some products also have S/N on the lower part of the right side of the Cabinet. -
Page 14: Product Specification
Service Manual_2021-V1.0 6. Product specification 6.1 Electrical parameters Applicable Models HS-164LN Product Name UR-BC126CM-ST Item Specification Specification Refrigerant R600a Compressor DFB30DF Starter(PTC) QP2-4R7 Overload protector(OLP) DRB16N61A1 Integrate PTC+OLP Variable frequency driver board None Capacitor None Power filter None Rmc: 13.04±7%Ω Winding resistance of compressor Rsc: 5.6±7%Ω... -
Page 15: Circuit Diagram
Service Manual_2021-V1.0 6.3 Circuit diagram... -
Page 16: Refrigerating Piping System And Circulating Route Of Cooling Air
Service Manual_2021-V1.0 7. Refrigerating piping system and circulating route of cooling air 7.1 Refrigerating piping system ❶Compressor❷Condenser❸Dry filter❹Capillary tube❺Evaporator❻Suction tube❶Compressor... -
Page 17: Dismantling Of Parts
Service Manual_2021-V1.0 8. Dismantling of parts 8.1 Parts on the door Door seal It's more convenient to pull out from the corner. Take the door seal ①out of door liner; When reloading, the door must be installed into the tank, carefully pressed flat, and check whether there is a gap between the door seal and the box body. -
Page 18: Light System
Service Manual_2021-V1.0 8.3 Light system Light Light of the refrigerating The light at the right of refrigerator chamber. 1、Remove the light cover 2、Loosen the thermostat knob and fastening screw, and remove the thermostat box assembly 3、Remove the connector 4、Remove the light Light of the freezing Light of the freezing... - Page 19 Service Manual_2021-V1.0 1） Cut off 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.
- Page 20 Service Manual_2021-V1.0 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）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 floor together with the compressor from the...
- Page 21 Service Manual_2021-V1.0 10）Use Pipe cutter cut off the condenser tube❽, then Shear off capillary ❾ by the capillary tube scissors. 11）Replace the compressorand welding the compressor pipeline.-❿Welding the process pipeline.-⓫Welding the low-pressure muffler.-⓬Welding the high-pressure exhaust pipe. 12）Replace the filter, Cu-Fe tubes welding ⓭ used Ag welding rod, Cu-Cu tubes welding ⓮...
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Page 22: Display Control Board（None
Service Manual_2021-V1.0 15）Use the vise grip pliers clamp the middle of the process pipe, then seal welding process tube⓯⓰. Piping system in the compressor case ❶Dry filter ❸ Compressor ❷ Suction transition tube ❹ Right condenser Drain tray Drain tray 8.6 Display control board（None）... -
Page 23: Temperature Sensing System
Service Manual_2021-V1.0 9. Temperature sensing system 9.1 Thermostat Thermostat 1.Remove the nail on the thermostat box assembly. Remove the screws of the fixed temperature control box with a screwdriver. 2.Pull out the knod, remove the socket the terminal, replace the thermostat... -
Page 24: Function And Operation
Service Manual_2021-V1.0 10. Function and operation 10.1 Operation panel 10.2 Temperature setting 10.3 Open door alarml (None) -
Page 25: Compressor
Service Manual_2021-V1.0 11. Compressor 11.1 Compressor on and off Control specifications 1.1 When one of the following conditions is met, the compressor stops: 1) Tr ≤ Trt； 1.2 When all the following conditions are met, the compressor starts up: 1) Tr ≥Trk; ★When 1.1 and 1.2 are not satisfied, the compressor maintains the original state... -
Page 26: Troubleshooting Method
Service Manual_2021-V1.0 12. Troubleshooting Method 12.1 Not cooling... -
Page 27: No Working Of Compressor
Service Manual_2021-V1.0 12.2 No working of compressor 12.3 Thermostat malfunction-Undercooling... -
Page 28: Inside Frosting, No Defrosting
Service Manual_2021-V1.0 12.4 Inside frosting, no defrosting 12.5 Inside frosting, no defrosting-Maintenance guidelines... -
Page 29: Light Is Not On
Service Manual_2021-V1.0 12.6 Light is not on... -
Page 30: Noise
Service Manual_2021-V1.0 12.7 Noise... -
Page 31: Figures And Details Of Repair Parts
Service Manual_2021-V1.0 13. Figures and details of repair parts See this section in the TSP. - Page 32 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 tsp.midea.com For more information about the EV and SBOM, please visit the...
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