Midea CE-BD290-FQ User manual

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Service Manual
Applicable Models
Model Code
CE-BD290-FQ
22032010000081
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
Prepared by
R&D:ZhouJianjun
Reviewed by
QA:Wu Xinbin
SVC:ChenLei
Approved by
R&D:ZhangHuawei
SVC:GuangTaoshuai

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Important Safety Notice
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 Refrigerators
Technical Maintenance Manual
Copyright @2016
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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Contents
1.Safety Warning Code................................................................................................................................. 5
1.1Warning for operation safety........................................................................................................... 5
1.2Safety instruction for refrigerant ..................................................................................................... 8
2.Description for product features................................................................................................................ 9
3.Installation and commissioning............................................................................................................... 10
3.1Handling........................................................................................................................................ 10
3.2 Door Disassembly and Assembly(None)...................................................................................... 10
3.3Installation location ....................................................................................................................... 10
3.4Leveling of the refrigerator ........................................................................................................... 11
3.5Door reversal (None)..................................................................................................................... 11
3.6Installation of handle(None).......................................................................................................... 11
3.7Installation of door lock(None) ..................................................................................................... 12
3.8Adjustment to level the door(None).............................................................................................. 12
4.Terms....................................................................................................................................................... 13
4.1Definition of model(None)............................................................................................................ 13
4.2Location of nameplate................................................................................................................... 13
5.Product specification ............................................................................................................................... 13
5.1Typespecification(None) ............................................................................................................... 13
5.2Electrical parameters ..................................................................................................................... 13
5.3Inside temperature ......................................................................................................................... 14
5.4Defrosting parts(None).................................................................................................................. 14
5.5Circuit diagram.............................................................................................................................. 14
6.Internal view and dimension ................................................................................................................... 15
6.1Main parts and their names ........................................................................................................... 15
6.2External dimension........................................................................................................................ 16
7.Refrigerating piping system and circulating route of cooling air............................................................ 17
7.1 Refrigerating piping system ......................................................................................................... 17
7.2Circulating route of cooling air ..................................................................................................... 17
8.Dismantling of parts................................................................................................................................ 18
8.1Parts on the door............................................................................................................................ 18
8.2Parts inside the refrigerator ........................................................................................................... 20
8.3Light system .................................................................................................................................. 21
8.4Evaporator and temperature sensing system ................................................................................. 21
8.5 Condenser system......................................................................................................................... 21
8.6Compressor case............................................................................................................................ 21
8.7Temperature-control box assembly view....................................................................................... 24
9. Function and operation........................................................................................................................... 27
9.1Operation panel ............................................................................................................................. 27
9.2Temperature control ...................................................................................................................... 27
9.3give an alarm(None)...................................................................................................................... 27
9.4 Defrosting..................................................................................................................................... 27

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10.Circuit description................................................................................................................................. 28
10.1 Power Supply(None) .................................................................................................................. 28
10.2Door trip test circuit(None) ......................................................................................................... 28
10.3Temperature test circuit(None).................................................................................................... 28
10.4Fan motor circuit of the freezing chamber(None)....................................................................... 28
10.5Refrigerator fan motor circuit (None) ......................................................................................... 28
10.6Condensing fan motor circuit (None).......................................................................................... 28
10.7Damper motor circuit (None)...................................................................................................... 28
10.8Resistance value of the sensor (R/T) (None)............................................................................... 28
11.Troubleshooting Method ............................................................................................................... 28
11.1No refrigeration ........................................................................................................................... 28
11.2 Compressor failure ..................................................................................................................... 29
11.3 Noise........................................................................................................................................ 29
11.4Inside frosting.............................................................................................................................. 30
11.5 Light is not on.......................................................................................................................... 30
11.6 Failure code and solutions (None).............................................................................................. 31
12. Figures and details of repair parts (Documents are provided separately) ............................................ 31
12.1Figures......................................................................................................................................... 31
12.2List of parts and components....................................................................................................... 31
13Appendix:............................................................................................................................................... 31
13.1Electrical Schematic Diagram(None).......................................................................................... 31
13.2Refrigerator maintenance tooling and equipment and material................................................... 31

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1.Safety Warning Code
1.1Warning for operation safety

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1.2Safety instruction for refrigerant

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2.Description for product features
This product is provided with following features:
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
1)Two circles light

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3.Installation and commissioning
3.1Handling
1) Protect the refrigerator in moving it
Same as shown as left photo, please move it by
handcart with cushion
2) Remove all packing materials and bottom
cushion, then move into house for placement
3) After moving it to appropriate location, wait for
2 hours before power on.
3.2 Door Disassembly and Assembly(None)
3.3Installation location
Location that is easy for ventilation shall be
chosen to facilitate heat dissipation, enhance
its performance and reduce the energy
consumption.

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3.4Leveling of the refrigerator
If the refrigerator cannot be placed steadily,
adjust the footing to level it.
3.5Door reversal (None)
3.6Installation of handle(None)
1. Fix the lock loop to its mounting hole near the
frame in the front side plate of the box with a
M4x20 or M4x8 screw. Pay attention to the
direction of the lock loop with its countersunk
side facing outwards.
2. Hold the handle with the left hand, and aim its
mounting hole at the mounting hole of the
door. Insert the key into the keyhole with the
right hand, and then turn the key clockwise to
drive the rotation of the lock hook.
Meanwhile, adjust the position of the handle
from side to side in a proper manner to ensure
the lock hook can hook the lock loop in
locked state. Afterwards, fix the handle to the
door with four M5X16 screws.

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3.Install the handle cover
3.7Installation of door lock(None)
With the door handle together.
3.8Adjustment to level the door(None)

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4.Terms
4.1Definition of model(None)
4.2Location of nameplate
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
5.Product specification
5.1Typespecification(None)
5.2Electrical parameters
Product Name
CE-BD290-FQ
/
Product Code
22032010000081
/
Name
Item
Type
Specification
Specification
Compressor
Compressor
/
PZ80E1F
/
ratedpower (W)
/
100
/
Capacitor
/
3uf
/
Starter
PTC
8EA19C3/QP2-15/QP2-15
/
Overload protector
OLP
DRB17S61A1
/

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Winding resistance of
compressor wiring
terminal
Rmc:26.11～30.05Ω
Rsc:19.44～22.36Ω
Rms=Rmc+Rsc
/
Motor
Condensation fan
/
/
/
Lights
Light of the
refrigerator door
Incandescent
lamp
2W
/
Switch of the
refrigerator door
Hammer
switch
/
/
Indicator lamp
/
/
/
5.3Inside temperature
Temperature tolerance ≤ 2°C
Compartment
The highest (°C)
Lowest (°C)
Freezing
-14
-24
Refrigerating
/
/
Variable temperature
/
/
5.4Defrosting parts(None)
5.5Circuit diagram

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6.Internal view and dimension
6.1Main parts and their names
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
1. Door shell
2. The door end cover
3. Doorgasket
4. Door liner
5. Cabinet assembly
6. Drain-pipe cover
7. Levelling feet
8. Compressor mounting panel
9. TEMP control panel
10. Hinge
11. Lamp cover
12. Door handle

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6.2External dimension
Front view
Side view
Down view
Open Door
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)

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7.Refrigerating piping system and circulating route of cooling air
7.1 Refrigerating piping system
1Compressor→2Back condenser→33Front condenser→4Dry filter→5Capillary tube→6Evaporator
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
7.2Circulating route of cooling air

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8.Dismantling of parts
8.1Parts on the door
The door seal
1)Pull the door seal from the corner
2)Take efforts until door seal totally
detaches from door inner liner groove
3)Remove the door seal in the direction of
door liner groove.
4)Fixing the four corners and pressing
smoothly.
The hinge cover
1)Push the hinge cover from the bottom to
the top and appear displacement for the
hinge cover.

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2)Pull down hinge cover from the bottom.
3)Slap forcefully the top hinge with the
palm, and wear safety gloves for fear of
cutting the hand.
4)After the displacement, pull down the
hinge cover.
Door light disassembly and assembly
1)Pull down two screws, remove the light
cover

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2)Pull down two screws on the lamp holder
3）Remove the plug terminal, take out the
lamp holder
8.2Parts inside the refrigerator
Basket
Open the door and removed the basket
Inside water pipe cover
Counterclockwise to remove the pipe cover
Ice tray
None