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Summary of Contents for Midea MLTW45M4BWW
- Page 1 Laundry Top-loading WASHING MACHINE Service Manual Models: MAH180-S2803PS_01FM-US CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE.
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Page 2: Table Of Contents
Service manual for Washing Machine CONTENTS 1. PRECAUTION ......................3 1.1 Safety precaution ......................... 3 1.2 Warning ..........................3 1.3 Caution ..........................6 2. How to use ....................... 8 2.1 Controls and functions ......................8 2.2 Cycle guide with option settings ..................10 2.3 Detergent.......................... -
Page 3: Precaution
Service manual for Washing Machine 1. PRECAUTION 1.1 Safety precaution To prevent injury to the user or property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. Before servicing unit, be sure to read this service manual at first. 1.2 Warning ... - Page 4 Service manual for Washing Machine extended period of time, such as during Plug the power plug into the wall socket vacations. firmly. Do not use a damaged power plug, Packaging material can be dangerous for or loosen wall socket. children.
- Page 5 Service manual for Washing Machine - This may result in electric shock. If the appliance is flooded, cut the power Do not turn the appliance off by unplugging immediately and contact your nearest the power plug while the washer is in service center.
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Page 6: Caution
Service manual for Washing Machine adding items, press the START/PAUSE Disconnect this appliance from the power button and allow the basket to come to supply before attempting any user complete stop before reaching inside. maintenance. Turning the controls to the - Failing to do so may result in electric OFF position does not disconnect this shock, injury or fire. - Page 7 Service manual for Washing Machine reconnecting the water supply hose, open Do not spray volatile material such as the faucet slowly. insecticide onto the surface of the Open the faucet slowly after a long period appliance. of non-use. - As well as being harmful to humans, it - The air pressure in the water supply hose may also result in electric shock, fire, or...
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Page 8: How To Use
Service manual for Washing Machine Ensure that the water inlet pipe is - If it hardens and accumulates inside the connected and the tap is opened before washer, it may cause problems with the washing clothes. product, discoloration, rust, or bad odors. ... -
Page 9: Cycle Guide With Option Settings
Service manual for Washing Machine 4. Digital display The initial display is the total time for the cycle you select. While your washer is running, the display shows the cycle process and time remaining in the cycle. 5.Temp Press to select the washing water temperature. The rinse water temperature is always cold. 6. - Page 10 Service manual for Washing Machine * Table in grey is an initial setting. Dots are all optional functions you can select. ------------------------------------------------------------------------------------------------------------------------------------------------------- － 10 －...
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Page 11: Detergent
Service manual for Washing Machine 2.3 Detergent 3. DIMENSION and INSTALLATION 3.1 Unit dimension ------------------------------------------------------------------------------------------------------------------------------------------------------- － 11 －... -
Page 12: Installation
Service manual for Washing Machine 3.2 Installation Installation Steps These instructions should be retained for future reference. Follow the followings STEP by STEP to ensure a successful installation. STEP 1: Select a location Before you install the washer, make sure the location: - Has a hard, level surface without carpeting or flooring that may obstruct ventilation. - Page 13 Service manual for Washing Machine The water supply hoses are not supplied with your washer and must be purchased separately. Before installing the water supply hoses, make sure there are rubber gaskets inside the fittings at both ends of each new water hose.
- Page 14 Service manual for Washing Machine To ensure the correct water usage, connect both the HOT and COLD water faucets. If either or both are not connected, an error code can occur. If you do not want to use the HOT water supply hose, insert the water intake cap into the HOT water supply intake hole.
- Page 15 Service manual for Washing Machine Make sure that the connection between the drain hose and the wash basin, or standpipe, or laundry tub is not airtight. STEP 4: Leveling your washer Determine if the washer is level by checking the position of the tub or using a level. 1.
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Page 16: Trouble Shooting
Service manual for Washing Machine STEP 5: Powering your washer Plug the power cord into a 3-prong, well grounded 120Volt 60Hz approved electrical outlet protected by a 15- amp fuse or comparable circuit breaker. Your washer is grounded through the third prong of the power cord when plugged into a 3-prong grounded electrical outlet. -
Page 17: Test Modes
Service manual for Washing Machine 4.2 Test modes Before starting test mode, the water level sensor should be installed. Otherwise, the unit will alarm and stop running test mode. Test 1：Anytime you enter the test mode, all lights and digital will be ON and then flash with 6 beeps. If any light is not ON, replace the PCB. -
Page 18: Error Codes
Service manual for Washing Machine 4.3 Error codes Error Code Possible Cause Solution Check if the lid is open. Turn both faucets on fully. Check if the water pressure is in the range. Alarm for abnormal water Straighten the water inlet hoses. intaking. -
Page 19: Wiring Diagram And Terminals
Service manual for Washing Machine Power off the unit. The door opened over 20 Deactivate the Child Lock function. seconds with Child Lock Call service center. function activated. 4.4 Wiring diagram and terminals Wiring diagram Picture 1 CN15 CN12 CN10 CN14 Wiring diagram Picture 2 Port definition (Detail pin definition refer to Wiring diagram Picture 1) - Page 20 Service manual for Washing Machine Port Name on PCB Definition Pin 1: Live line Pin 3: Null line PIN1：TXD PIN2：RXD PIN3：GND PIN4：+5V PIN5：+12V PIN6：NC 1. NC 2. NC 3. NC 4. Door Lock status detection 5. Door Lock status detection PIN1：Cold valve PIN2：Detergent valve PIN3：Hot valve...
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Page 21: Trouble Shooting
Service manual for Washing Machine 4.5 Trouble shooting You can check for a quick solution as following table. Description Solution - Make sure your washer is plugged in. - Make sure the lid is closed. - Make sure the water source faucets are open. - Make sure to press the Start/Pause button to start your The unit doesn’t start. - Page 22 Service manual for Washing Machine Press the Start/Pause button to stop your washer. It may Lid locked or will not open. take a few moments for the lid lock to disengage. Straighten the drain hoses. Eliminate kinked hoses. If there is a drain restriction, call for service.
- Page 23 Service manual for Washing Machine - Use high efficiency detergent to prevent over-sudsing. - Reduce the detergent amount for soft water, small or Has excessive suds. lightly soiled loads. - Non-HE detergent is NOT recommended. - Run a Tub Clean cycle to clean the tub and basket periodically.
- Page 24 Service manual for Washing Machine A. Water inlet time over 60 minutes (E1) Whether the The drain hose end should be over 100cm Drain Hose is height from the bottom of the unit. hung up beyond the height of 100cm Check the The water pressure should be in range from 0.05MPa to 1MPa.
- Page 25 Service manual for Washing Machine Check the inlet valve. Replace if failure. The resistance on coil should be between 0.7-1.2KΩ. Check the water level sensor Test electric capacity between terminal 1 and terminal terminal terminal capacity is not in range from 40nF to 50nF, replace the water level sensor.
- Page 26 Service manual for Washing Machine B. Water drainage time over 10 minutes (E2) Check the wire connection. If the wires are open cycled, replace the harness. Check the wires for open cycled. Check the pump. The resistance of coil should be in range from 10 to 20 Ω.
- Page 27 Service manual for Washing Machine C. Lid open (E3) Check if the top lid is open. Close the lid if opened. Move a magnetic-iron close to the panel as figure right to check if the Error Code disappeared. Check the wires connecting the magnetic switch.
- Page 28 Service manual for Washing Machine D. Unbalance (E4) Make the clothes in the basket even. Check the legs of the washer. Re-adjust them if not in level position. Check the resistance of the switch. Replace it if open- circuit. Check the impact switch. Push the bar to another position and check the resistance again.
- Page 29 Service manual for Washing Machine Water leveling sensor Failure (F8) Check the water leveling sensor. Test the electric capacity between terminal 1 and terminal 2, terminal 2 and terminal 3. If the capacity is not in range from 40nF to 50nF, replace the water level sensor.
- Page 30 Service manual for Washing Machine Check the harness and connections. Replace the PCBs. Door Lock failure (Fd) F． Check the harness and connections. Check the Door Locker. Check the resistance between two blue lines of the Door Locker. Replace it if the read is not in range from 50 to 80 Ohms.
- Page 31 Service manual for Washing Machine Water Leakage. Verify the water inlet pipe connection and check for leakaging. Check the drainage pipe and connection for leakaging. Check the connection of inlet pipes. Check the pump for leakaging. ------------------------------------------------------------------------------------------------------------------------------------------------------- － 31 －...
- Page 32 Service manual for Washing Machine Check the water level sensor pipe. ------------------------------------------------------------------------------------------------------------------------------------------------------- － 32 －...
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Page 33: How To Disassembly The Unit
Service manual for Washing Machine 5. HOW TO DISASSEMBLY THE UNIT What’s for Steps Description Tools needed Phillip Remove the screwdriver Control Panel Assembly Disassemble the three screws fixing the control panel Assembly on the back of the unit. Push the control panel front to open. No tools Remove the needed... - Page 34 Service manual for Washing Machine Disassemble the screws and Housing. Phillip Check water screwdriver level sensor Phillip Check the screwdriver water inlet valve Phillip Check the screwdriver Impact switch Phillip Remove the screwdriver Top Cover Assembly Push Push Disassemble the three screws and push top cover from back side Check and No tools...
- Page 35 Service manual for Washing Machine careful for impact switch no brake. Phillip Open the Lock screwdriver Disassemble the two screws and open the lock box 2.4 Check the Phillip Door lock screwdriver Phillip Remove the screwdriver Rear cover Check and Replace the Electrical Disassemble the four rear cover screws and...
- Page 36 Service manual for Washing Machine 3.2 Remove the No tools Electrical Box needed Take the Electrical Box out of cabinet 3.3 Open the Phillip Electrical Box screwdriver Open the electrical box. 3.4 Check the No tools Electrical PCB needed ------------------------------------------------------------------------------------------------------------------------------------------------------- －...
- Page 37 Service manual for Washing Machine No tools Remove needed Muddler Cover Phillip Remove screwdriver impeller screw Check and Replace the Clutch , Motor, Drain pump, Retractor Disassemble the one screw and take impeller out . Socket head Disassemble screw wrench six screw of CR-V 5mm clutch...
- Page 38 Service manual for Washing Machine 4.4 Place No tools upside down of needed laundry Ten sleeve Disassemble the bracket Disassemble four screw of bracket 4.6 Check the No.10 Sleeve clutch body subassembly ------------------------------------------------------------------------------------------------------------------------------------------------------- － 38 －...
- Page 39 Service manual for Washing Machine 4.7Check the No.14 Sleeve Motor 4.8Check the No.10 Sleeve Drain Pump 4.9Check the No.10 Sleeve Retractor Check and Same as 2.1 Phillip Replace the Remove the screwdriver suspend Top Cover system Assembly No tools Open the top Same as 2.2 needed cover assembly...
- Page 40 Service manual for Washing Machine No tools Remove the needed suspend out with Outer Tub Front White Back Blue ------------------------------------------------------------------------------------------------------------------------------------------------------- － 40 －...
- Page 41 Service manual for Washing Machine 5.4 Remove the No tools suspend out needed with Cabinet ------------------------------------------------------------------------------------------------------------------------------------------------------- － 41 －...
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Page 42: Exploded Views
Service manual for Washing Machine 6. EXPLODED VIEW GENERAL SUBASSEMBLY ------------------------------------------------------------------------------------------------------------------------------------------------------- － 42 －... - Page 43 Service manual for Washing Machine a、WORKTABLE PARTS b. SPIN TUB PARTS ------------------------------------------------------------------------------------------------------------------------------------------------------- － 43 －...
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Page 44: Spare Parts
Service manual for Washing Machine c. OUTER TUB PARTS 7. SPARE PARTS Chinese Name Part Name Quantity BOM Code Outer Tub Cover 12138000068649 盛水桶盖 搅拌器 Impeller Assembly 12138000069345 Rear Cover 12238000015306 后封门 Cabinet Assembly 12238000015203 箱体组件 Cabinet Base Assembly 12138000060010 箱体底座组件... - Page 45 Service manual for Washing Machine 1.11 Capacitor Assembly 17438000022923 电容器组件 1.12 Capacitor Catch 12238000000133 电容夹 1.13 Article Connection Assembly 12138000069353 连接条组件 1.14 Suspend System 12938000006862 悬挂系统 后 1.15 Suspend System 12938000006861 悬挂系统 前 2.1.1 Back Control Panel 12138000069420 后控制面板 2.1.2 Control Panel Assembly 12138000069509 控制面板...
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Page 46: Specification
Service manual for Washing Machine 8. SPECIFICATION Power Supply 120V/60hz Capacity (Cuft) ≥1.57 IMEF (Cuft/kWh/cycle) ≤6.5 IWF (gallons/cycle/cuft) Energy Star Certification, safety pulsator type Agitator ≤680W input power(watts) Cycle selection Normal, Bedding, Whites, Heavy Duty, Towels, Quick Wash, Tub Cycles Clean ,Delicates, Download, Rinse &... - Page 47 Service manual for Washing Machine Special feature child lock Lid switch, magnetism Lid lock error alarm auto unbalancing detection auto-power off closed rat-proof base noise(dB) Wash noise≤63dB, Spin noise≤77 dB Dimensions & loading Width, body, Inch Depth, body, Inch 29.33 Height, body, Inch 44.27 Width, body, mm...
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Questions and answers
Where is the soak button? Is it soil level? Temp or water level?