PSU10E1BB Midea Replacement Parts - Midea
PSU10E1WW Midea Replacement Parts - Midea
PSU10E1BB Midea Replacement Parts - Eureka
Service Manual, 2021 v1.0
Service Manual
Applicable Models SZ-3M40
(The picture is only for reference, and specific appearance and configuration are subject to the real product)
Prepared by Reviewed by Approved by
@2017
Important Safety Notice
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Service Manual, 2021 v1.0
The Maintenance Manual is only for the use of maintenance personnel with certain experience and background in electrical, electronic and mechanical field.
Any attempt to repair main devices may lead to personal injury and property loss. Manufacturers or distributors are not responsible for the content of the Manual and interpretation
thereof.
Midea Environment Appliance
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 of Midea Environment Appliance.
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Service Manual, 2021 v1.0
1. Safety Warning Code
WARNING 1. Always place the unit on a smooth, flat, lint-free, non-metallic, water-proof and level surface and keep it away from direct sunlight. 2. Always place the unit 2 feet (60 cm) above the floor, 12 inches (30 cm) away from the wall, away from other appliances and off of wooden surfaces. 3. Do not place the unit on carpet, rugs or other surfaces that may block the inlet vent and resultantly damage the unit. 4. To avoid electric shock, do not use wet hands to plug and unplug the unit. 5. Do not start the unit when the water tank is empty. 6. Do not add any additives into the water tank that are not produced or supervised by our company. 7. Do not put anything except water into the water tank. 8. Do not add water through the mist outlet. 9. While the humidifier is operating, do not touch the water inside the unit or any parts submerged in water. 10. Do not cover or block the mist outlet, the mist outlet should be kept clear at all times. 11. Do not replace the power cord without authorization from an authorized representative; 12. Always ensure proper contact between the power cord and outlet. 13. Never use this appliance on the same circuit as other appliances. 14. Do not place the appliance near a water source. 15. Do not disassemble, modify or repair internal parts without authorization from an authorized representative. 16. Do not climb or sit on the appliance. 17. Do not store appliance near or around flammable items, explosive items or heat sources. 18. Do not directly flush the humidifier with water. 19. Always use the power button to turn off the humidifier before unplugging the power cord. 20. Always use filtered or distilled water and do not use hard water. 21. Please do not use a damaged or worn power cord; Do not replace the power cord without authorization. If the power cord is damaged, it must be replaced by the manufacturer, its service department or professional from similar department to avoid danger. 22. Power off and unplug the humidifier during thunderstorms; 23. During an abnormal phenomenon (like a burnt smell), power off the humidifier and unplug the power cord. 24. After a long period of no use, power off the humidifier and unplug the power cord then, clean the water tank according to the "Cleaning and Maintenance" instructions. 25. To avoid bacterial growth, consistently change the water in the water tank and base. 26. Before moving the appliance, always unplug the power cord;
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Service Manual, 2021 v1.0 27. If the appliance is tipped over when filled with water, be sure to unplug the power cord immediately and send it for inspection. 28. The suitable ambient temperature for use of this product: 41°F~104°F, relative humidity: <80% RH (Please use pure water with temperature less than 104°F). 29. Do not run cord under carpeting. 30. Do not cover cord with throw rugs, runners or similar coverings. 31. Do not route cord under furniture or appliances. 32. Arrange cord away from traffic area and where it will not be tripped over.
2. Dismantling of appliance
2.1 Remove the top cover
Remove the aromatherapy cover by rotating it in the direction shown.
Use a flat-port screwdriver to pry the top cover from the position shown in the figure, reach in through the opening, and pull out the top cover with force.
2.2 Remove the blades
Pull out the blade.
2.3 Remove the motor
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The motor can be removed by unscrewing the two screws fixing the motor on the motor cover.
2.4 Remove the micro switch
The micro switch can be removed by prying out the switch bracket with a flatmouth screwdriver.
2.5 Remove the gear switch
Use your fingers to open the buckle of the fixed gear switch on the switch bracket to both sides and remove the gear switch.
2.6 Removing indicator light
Hold the indicator light with your hand and push it out.
2.7 Removing Power Cables
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90° Hold the baffle card of the power cable with pliers and rotate it 90° counterclockwise to pull out the power cable.
3. Function and operation
3.1 Installing Power Cables
90° Insert the power cable into the power cable outlet of the housing, hold the baffle card with pliers, and rotate 90° clockwise to secure the power cable.
3.2 Installing Indicators
Thread the line of the indicator light into the hole of the enclosure and press inward to fasten the indicator light.
3.3 Install the gear switch
3 Insert the tin-dipped end of the power cord into the gear switch completely, and insert the 3 motor wiring harnesses similarly.
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Service Manual, 2021 v1.0
Align the gear switch with the column bar of the switch bracket, press down, and buckle the gear switch. Press the power cord harness into the switch bracket slot.
3.4 Install the micro switch
The micro switch can be installed by pointing the hole of the micro switch at the two cylinders of the switch support and pushing flat. Install the switch bracket from the top down into the mounting slot.
3.5 Install the motor
Install the motor at the motor support of the air duct. Motor wire and micro switch wire from the air channel slot through, line pressure into the card slot. Knock the motor cover onto the motor and secure with two screws.
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3.6 Install the blades
The blade hole is aligned with the motor column and pressed down into place. Connect the wiring harness according to the schematic diagram through the wiring cap. Insert the wiring cap into the sleeve, press into the buckle, buckle the sleeve.
3.7 Install the lid
Place the top cover flat on the main machine and tighten the top cover by pressing. Install aromatherapy cover by rotating as shown.
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3.8 Install the ball float
Place the floating ball in the center of the base, cover the support over the floating ball, screw for a moment to fix the floating ball support, and the other end of the support is stuck in the buckle of the base.
3.9 Assemble water tank and upper shell assembly
Put the humidifying filter into the water tank, and then place the upper shell assembly on the water tank.
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4. Fault code and solutions
Fault code
Fault content
Display
The
/
motor does not /
rotate,
the
indicator light is
red
Steps for maintenance methods
A
B
A. Check whether the water tank is short of water. If
there is a shortage of water, please unplug the power, refill
the water and turn on again. B. The upper shell components are not assembled in
place. Please reinstall the upper case assembly to the water tank and install it in place.
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5 Appendix:
5.1 Electrical Schematic Diagram
5.2 refrigerator maintenance tooling and equipment and material
Tooling
No.
Name
Photo
Main Usage
Phillips 1
screwdriver
screw assemble and disassemble
/ 2
slotted screwdriver/scraper
screw and rivet assemble and disassemble
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3
Nipper pliers
Service Manual, 2021 v1.0
assistive tool
4 Electric soldering
assistive tool
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xxx@midea.com
28
Midea Environment Appliance
If you need to get detailed technical information from the manufacturer, please contact:
xxx@midea.com
Environment Appliance Division Overseas Sales
Address: Eastern 28th, Hesui industrial Park, Dongfu Road, Dongfeng Town, Zhongshan City, Guangdong Province China
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