Table of Contents
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Service Manual
Applicable Models
HS-507FWEN
HS-625FWEN
HS-772FWEN
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.
UPRIGHT SERIES
Model Code
UR-BD390WE-ST
UR-BD481WE-ST
UR-BD594WE-ST
1
Service Manual_2018-V2.0
Applicable Models
22031010002261
22031010002241
22031010002242
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Table of Contents
Related Manuals for Midea HS-507FWEN
Summary of Contents for Midea HS-507FWEN
- Page 1 Service Manual_2018-V2.0 Service Manual UPRIGHT SERIES Applicable Models Model Code Applicable Models HS-507FWEN UR-BD390WE-ST 22031010002261 HS-625FWEN UR-BD481WE-ST 22031010002241 HS-772FWEN UR-BD594WE-ST 22031010002242 The picture in this service manual is only for reference, and specific appearance and configuration are subject to the real product.
- 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 C ..........................9 ONTAINER TRANSPORT 3.2 H ..............................10 ANDLING 4. INSTALLATION AND COMMISSIONING ...................... 11 4.1D ) .................... - Page 4 Service Manual_2018-V2.0 8.8 D ........................... 29 ISPLAY CONTROL BOARD 8.9 M ..........................30 AIN CONTROL BOARD （N ） ........................30 8.10W ATER DISPENSER 8.11I ) ............................ 31 CE MAKER 8.12 ) ......................31 WATER FILTER COMPONENT 9. TEMPERATURE SENSING SYSTEM ......................32 9.1P ..........................
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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 12) This freezer is intended to be used in household and similar environments. 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. -
Page 9: Transport
Service Manual_2018-V2.0 3. Transport 3.1 Container transport BD390 760*800*1620 BD481 885*775*1690 Packing Size(LWH): BD594 885*775*1990 Container 40HQ（12.032*2.352*2.690）m specification(LWH) What floor Door direction Cabinet direction 390/481/594 Container s cheme，and floor 45/39/39 Outside Container QTY floor 21/19/0 Outside Total 66/58/39 BD390 Container diagram BD481 BD594... -
Page 10: Handling
Service Manual_2018-V2.0 Notes：The goods on the top layer of the container may conflict with the position of the side corner of the container . 3.2 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... -
Page 11: 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. 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 12: Left Or Right Open Door Reversal(None)
Service Manual_2018-V2.0 4.4 Left or right open door reversal(None) Door reversal(None) None 4.5 Installation of handle Installation of handle Installation of handle Installation of handle 1） Take two handle screws,install in the door hole,and screw the screw to low. 2） Alignment screw installation handle 3）... -
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) Freezer chamber Refrigerator chamber ① Air duct components in frezzer/refrigerating chamber ②... -
Page 14: External Dimension
Service Manual_2018-V2.0 5.2 External dimension HS-507FWEN HS-625FWEN HS-772FWEN Description Code Size (mm) Size (mm) Size (mm) Height to Top of Case 1570 1650 1950 Width Depth w/Cabinet Depth w/Door Depth w/Handle Depth (Door open 90 deg. 1415 1528 1528 Depth (Door open 135... -
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 HS-507FWEN HS-625FWEN HS-774FWEN Applicable Models UR-BD390WE-ST UR-BD481WE-ST UR-BD594WE-ST Product Name 22031010002261 22031010002242 22031010002241 Product Code Item Specification Specification R600a R600a R600a Refrigerant Compressor EZ75E1A EZ75E1A EZ90H1A Starter(PTC) 8EA14C3-02 8EA14C3-02 8EA14C3-02 Overload protector(OLP) -
Page 17: Defrosting Parts
Service Manual_2018-V2.0 6.3 Defrosting parts Electronic type Item Specification Defrosting sensor 77(0,-4) ℃ Fuse BD390 115V 280 Defrost heater in freezing chamber BD481/594 115V 320W 6.4 Circuit diagram F: Freezer R: Refrigerator FD: Freezer Defrost C: Condensation A: Ambient temperature... -
Page 18: Main Control Board Structure Diagram
Service Manual_2018-V2.0 6.5Main control board structure diagram... -
Page 19: 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 ❶Compressor→❷Right condenser→❸Anti-condensation tube→❹Left Condenser→❺Dry filter→❻Capillary tube→❼Evaporator→❽Suction tube→❶Compressor 7.2 Special soldering position... -
Page 20: Circulating Route Of Cooling Air
Service Manual_2018-V2.0 7.3 Circulating route of cooling air... -
Page 21: 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. Open the refrigerator door.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 22: Light System
Service Manual_2018-V2.0 8.3 Light system Light Light of the freezer Light of the freezer chamber is located upper chamber Insert a slit with a type screwdriver and dismantle the lampshade Release the buckle, disconnect the terminal and dismantle the lamp board Light switch 1）... -
Page 23: Air Duct Components In Refrigerating Chamber And Fan Motor(None)
Service Manual_2018-V2.0 Fan motor of air duct 1) Press the buckle and uncover the back cover 2) Grab the lid and take it off the fridge 3) Remove the screw and remove the fan from the refrigerator 8.5Air duct components in refrigerating chamber and fan motor(None) Air duct components in freezing chamber None Fan motor of air duct... -
Page 24: Evaporator And Defrost System
Service Manual_2018-V2.0 8.6 Evaporator and Defrost system Evaporator in freezing chamber 1） Remove the air duct components in freezer chamber. 2） Disconnect all connectors. 3） Remove the welding on inlet and outlet tubes. Components on the evaporator Defrosting fuse 1）Disconnect the fuse connector. 2）Cut off the band which fixes the fuse. -
Page 25: Compressor Case
Service Manual_2018-V2.0 Defrost heater The defrost heater is located at bottom of the evaporator. 1）Disconnect the connector of defrost heater. 2）Cut off the band which fixes the defrost heater. 3）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 26 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 27 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 28 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 pipe, then seal welding process tube⓯⓰.
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Page 29: Display Control Board
Service Manual_2018-V2.0 Drain tray 1）Disengage the drain tray buckle out of the compressor bottom plate installation hole. 2）Replace the drain tray, the reverse process can complete installation. 8.8 Display control board Display control board 1） Uncover the temperature control indication sticker on the cover plate of the air duct;... -
Page 30: Main Control Board
Service Manual_2018-V2.0 prepare one for standby before replacement: 8.9 Main control board Main control board 1） Dismantling the main control panel mounting box screw 2） take off the cover of the main control board Dismantling the main plate screw 8.10Water dispenser （None） Water dispenser(None) Disassembly and installation of water tank None... -
Page 31: Ice Maker (None)
Service Manual_2018-V2.0 8.11Ice maker (None) disassembly of ice maker Disassembly and installation of ice maker None Disassembly and installation of water system None 8.12water filter component (None) Disassembly and installation of water filter component None... -
Page 32: Temperature Sensing System
Service Manual_2018-V2.0 9. temperature sensing system 9.1Position of sensors Position of sensors Have 3 sensors 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 33: Sensor Replacement
Service Manual_2018-V2.0 Ambient 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 sensor. 9.4 Sensor replacement Sensor replacement guidelines Cut off the damaged head of sensor. -
Page 34: Sensor Resistance(R/T)
Take out a new sensor to cut the head of sensor. (Spare parts code：11201007000795) Its technical specifications apply to all MIDEA refrigerators. Strip off the head of the sensor and connect it. Wrap the two wires together with insulation tape. - Page 35 Service Manual_2018-V2.0 15.98 7.19 3.447 1.761 0.9506 15.12 6.833 3.29 1.687 0.914...
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Page 36: Function And Operation
Service Manual_2018-V2.0 10. Function and operation 10.1 Operation panel Icons Button ❶WIFI access indicator ⒶTemperature up key ❷ High temperature alarm ⒷTemperature down key ❸Door opening alarm ⒸQuick freezing keyⒹKey for locking and ❹Quick freezing indicator unlocking ❺Locking ⒺRefrigerating and freezing switching ❻Refrigerating and freezing switching 10.2Display ... -
Page 37: Temperature Setting
Service Manual_2018-V2.0 When the WIFI signal is normal, the WIFI indicator lights up; when the WIFI signal is disconnected, the WIFI indicator goes out. 10.3 Temperature setting 10.3.1 Temperature up key (A key) Press the refrigerating/freezing temperature down key (B key) to set the temperature falling. Each time the key is pressed, the temperature falls by one degree. - Page 38 Service Manual_2018-V2.0 Step 4: Replace electrical wiring main harness Step 1: Check whether the terminal of temperature sensor in main control board is welll stuck, pull out the terminal and re-stick it in place Step 2: Check to see if there’re foreign matters on the terminal. Pull out Temperature the defrost sensor in variable chamber according to the method in sensor fault in...
- Page 39 Service Manual_2018-V2.0 Step 1: Check whether the terminal of defrost sensor in main control board is welll stuck, pull out the terminal and re-stick it in place Step 2: Check to see if there’re foreign matters on the terminal. Pull out Defrost sensor the defrost sensor in refrigerating chamber according to the method in fault in variable...
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Page 40: Led Module Control
Service Manual_2018-V2.0 key can eliminate the buzzer alarm. Note: The door opening alarm time can be set through the APP and then remembered to the main board after setting. 10.4.5Over limit alarmWhen the power is turned on, the time is started. If the sensor temperature exceeds the set temperature ±... -
Page 41: Defrosting Function
Service Manual_2018-V2.0 (2) The priority of quick-freezing mode is higher than that of normalizing frost: during the effective period of quick-freezing mode, the defrosting is not entered even if the normal defrosting condition is met; the defrosting entry condition is determined again when the quick-freezing mode is exited; (3) If the quick-freezing is set during the process of normal defrosting, then the quick freezing shall start timing when the defrosting is finished;... -
Page 42: First Power-On And Memory Function
Service Manual_2018-V2.0 Annotation: Exit forced mode Forced AP Compressor forced Forced selection mode continuous defrosting operation mode 10.8.2. Exit Exit with one of the following conditions: (1) In the test mode, long press the lock/unlock button (D button) + temperature up button (A button) for 3 seconds to exit the test mode. -
Page 43: Compressor And Fan
Service Manual_2018-V2.0 11. Compressor and fan 11.1Compressor startup and shutdown control rules 11.1.1 Compressor startup and shutdown control After power on, the compressor has 5min delay protection. 11.1.2 The compressor is stopped when one of the following conditions is met: ... -
Page 44: Troubleshooting Method
Service Manual_2018-V2.0 12. Troubleshooting Method 12.1No cooling (Air cooling-Electronic) -
Page 45: No Working Of Compressor
Service Manual_2018-V2.0 12.2 No working of compressor 12.3 Inside frosting, no defrosting... -
Page 46: Inside Frosting, No Defrosting-Maintenance Guidelines
Service Manual_2018-V2.0 12.4 Inside frosting, no defrosting-Maintenance guidelines... -
Page 47: Light Is Not On
Service Manual_2018-V2.0 12.5 Light is not on 12.6 Fan failure... -
Page 48: Defective Defrost Circuit
Service Manual_2018-V2.0 12.7 Defective defrost circuit 12.8 Noise... -
Page 49: Air Duct Not Operated(Electronically) (None)
Service Manual_2018-V2.0 12.9 Air duct not operated(electronically) (None) -
Page 50: 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 51 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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