Midea UL-BCD283WE-DQ User manual

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Service Manual
Applicable models
Model No.
UL-BCD283WE-DQ
22031020000054
UR-BCD283WE-SQ
22031020000057
CE-BCD283WE-MT
22031020000060
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
Prepared by
R&D:Zheng Qiang
Reviewed by
QA:Wang Tao
SVC:Zhang Kun
Approved by
R&D:Geng Xiuhua
SVC:Guang Taoshuai

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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
3.2DISASSEMBLY (NONE)....................................................................................................................10
3.3 INSTALLATION LOCATION ..............................................................................................................10
3.4 LEVELING OF THE REFRIGERATOR..................................................................................................11
3.5CHANGE THE DOOR OPENING DIRECTION........................................................................................11
3.6 INSTALLATION OF HANDLE（NONE）...........................................................................................13
3.7 INSTALLATION OF DOOR LOCK（NONE）......................................................................................13
3.8ADJUSTMENT TO LEVEL THE DOOR（NONE）...............................................................................13
3.9ADJUSTMENT TO SHELVES（NONE）............................................................................................13
4.TERMS........................................................................................................................................ 14
4.1 DEFINITION OF MODEL（NONE）.................................................................................................14
4.2LOCATION OF NAMEPLATE..............................................................................................................14
5.PRODUCT SPECIFICATION .................................................................................................... 15
5.1 TYPESPECIFICATION（NONE）......................................................................................................15
5.2 ELECTRICAL PARAMETERS.............................................................................................................15
5.3INSIDE TEMPERATURE ....................................................................................................................16
5.4DEFROSTING PARTS ........................................................................................................................16
5.5CIRCUIT DIAGRAM..........................................................................................................................16
6.INTERNAL VIEWAND DIMENSION ...................................................................................... 17
6.1MAIN PARTS AND THEIR NAMES......................................................................................................17
6.2EXTERNAL DIMENSION...................................................................................................................17
7.REFRIGERATING PIPING SYSTEM AND CIRCULATING ROUTE OF COOLING AIR....................................20
7.1 REFRIGERATING PIPING SYSTEM ....................................................................................................20
7.2CIRCULATING ROUTE OF COOLING AIR............................................................................................21
8. DISMANTLING OF PARTS...................................................................................................... 22
8.1 PARTS ON THE DOOR......................................................................................................................22
8.2PARTS INSIDE THE REFRIGERATOR ..................................................................................................22
8.3LIGHT SYSTEM ...............................................................................................................................23
8.4AIR DUCTAND FAN MOTOR.............................................................................................................23
8.5EVAPORATOR AND TEMPERATURE SENSING SYSTEM .......................................................................24
8.6COMPRESSOR CASE ........................................................................................................................26

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8.7DISPLAY AND MAIN CONTROL PANEL..............................................................................................27
8.8 BAR COUNTER(NONE)...................................................................................................................29
8.9 WATER DISPENSER(NONE).............................................................................................................29
8.10 ICE MAKER(NONE)......................................................................................................................29
9. FUNCTION AND OPERATION9.1OPERATION PANEL............................................................................29
9.2 SETTING OF THE GEAR...................................................................................................................30
9.3 CONTROL OF STANDBY FUNCTION(NONE).....................................................................................30
9.4 CONTROL OF ICE MAKER(NONE)...................................................................................................30
9.5 FAULT CODE AND SOLUTIONS ........................................................................................................30
9.6DEFROSTING FUNCTION .................................................................................................................31
9.7TEST MODE.....................................................................................................................................31
9.8SELF-DIAGNOSIS ............................................................................................................................32
10.CIRCUIT DESCRIPTION........................................................................................................ 32
10.1 POWER SUPPLY............................................................................................................................32
10.2DOOR TRIP TEST CIRCUIT(NONE)..................................................................................................33
10.3TEMPERATURE TEST CIRCUIT........................................................................................................33
10.4FAN MOTOR CIRCUIT OF THE FREEZING CHAMBER ........................................................................34
10.5REFRIGERATOR FAN MOTOR CIRCUIT (NONE)...............................................................................34
10.6CONDENSING FAN MOTOR CIRCUIT (NONE)..................................................................................34
10.7DAMPER MOTOR CIRCUIT (NONE)................................................................................................34
10.8RESISTANCE VALUE OF THE SENSOR (R/T)....................................................................................34
11.TROUBLESHOOTING METHOD........................................................................................... 36
11.1 NO REFRIGERATION .....................................................................................................................36
11.2 COMPRESSOR FAILURE.................................................................................................................38
11.3 DEFROSTING IS NOT WORKING.....................................................................................................39
11.4 FAN IN THE FREEZING CHAMBER IS ABNORMAL ...........................................................................40
11.5 DAMPER IS ABNORMAL(NONE)11.6 LIGHTS INSIDE THE REFRIGERATOR DON’T LIGHT UP............41
12. FIGURES AND DETAILS OF REPAIR PARTS(DOCUMENTS ARE PROVIDED
SEPARATELY)............................................................................................................................... 42
12.1 FIGURE........................................................................................................................................42
12.2 LIST OF PARTS AND COMPONENTS................................................................................................42
13APPENDIX:......................................................................................................................................42
13.1ELECTRICAL SCHEMATIC DIAGRAM .............................................................................................42
13.2REFRIGERATOR MAINTENANCE TOOLING AND EQUIPMENT AND MATERIAL..................................42

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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)Full air-cooling and frost-free design2)door is reversible, for meeting the requirements of
consumers who have different usage habit;
3)Gallon bottle/2LCola bottle can be placed on;
4)with the structure of top refrigerator and bottom freezer.

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3.Installation and commissioning
3.1Handling
1) Protecttherefrigeratorinmovingit
Sameasshownasleftphoto,pleasemoveitbyhandcartwi
thcushion
2) Removeallpackingmaterialsandbottomcushion,then
moveintohouseforplacement
3) Aftermovingittoappropriatelocation,waitfor2hoursbe
forepoweron.
3.2Disassembly (None)
The refrigerator door needs to be dismantled if it cannot enter the room in the whole.
3.3 Installation 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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3.4 Leveling of the refrigerator
If the refrigerator cannot be placed steadily,
adjust the footing to level it.
3.5Change the door opening direction
1. Unplug your refrigerator and remove all
food from the door shelves.
2. Remove the left cover plate and the
right top hinge cover, then unscrew and
remove the right top hinge. Keep the
screws to reuse
3.Lift the refrigerator door up and away
from your refrigerator.
4. Unscrew the two screws holding the
center hinge, remove the hinge, then lift
the freezer door up and away from your
refrigerator. Save the screws to reuse.

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5. Unscrew the two screws holding the
bottom hinge, then remove the bottom
hinge from the bottom right side of the
refrigerator.
6. take out the left bottom hinge assembly
from the accessory bag, place the hinge
assembly on proper position and fix it by
two screws
7. Remove the door block from the
bottom, right side of the door and attach it
to the other side.
8. Remove the two hole caps from the
left side, where the center hinge will go,
and insert them into the other side.
9. put the freezer door on the bottom
hinge, then assemble the middle hinge
on the left side of middle beam

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10. Put the refrigerator door onto the
center left hinge, then attach the top left
hinge to the top of refrigerator. Cover
the hinge with the top left hinge cover
and cover the screw holes on the right
side of the top with the cover plate you
previously removed.
3.6 Installation of handle（None）
3.7 Installation of door lock（None）
3.8 Adjustment to level the door（None）
3.9 Adjustment to shelves（None）

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4.Terms
4.1 Definition of model（None）
4.2Location of nameplate
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)
Label

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5.Product specification
5.1 typespecification（None）
5.2 Electrical parameters
Product Name
UL-BCD283WE-DQ
UR-BCD283WE-SQ
CE-BCD283WE-MT
Product Code
22031020000054
22031020000057
22031020000060
Name
Item
Type
Specification
Specification
Specification
Compressor
Compressor
/
EE50H1Z
EZ80E1C
PZ90H1C
Starter
PTC
8EA14C3
QPE2-A4R7MD3
EA19C3/QP2-15
Overload
protector
OLP
4TM283RFBYY
DRB25S61A1
TM149SFBYY/
DRB16S61A1BT40-135A61D3
Winding
resistance of
compressor
wiring
terminal
Rmc:10-20Ω
Rsc:30-50Ω
Rms=Rmc+Rsc
Rmc:10-20Ω
Rsc:30-50Ω
Rms=Rmc+Rsc
Rmc:10-20Ω
Rsc:30-50Ω
Rms=Rmc+Rsc
Variable
frequency
driver board
/
/
/
/
Motor
Fan motor of
the freezing
chamber
BLDC
DC12V/≤4W
DC12V/≤4W
DC12V/≤4W
Ventilation
door of the
refrigerating
chamber
/
/
/
/
Condensation
fan
/
/
/
/
Lights
inside the
refrigerator
Lights inside
the freezing
chamber
/
/
/
/
Lights inside
the
refrigerating
chamber
/
LED 115V/＜
3.5W
Incandescent
lamp115V/15W
Incandescent
lamp240V/10W
Switch of the
refrigerator
door
mechanicalswitch
sector
sector
sector

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5.3Inside temperature
Temperature tolerance ≤ 2 oC
Compartment
The highest (oC)
Lowest (oC)
Freezing
-14
-24
Refrigerating
9
1
Variable temperature
/
/
5.4Defrosting parts
Defrosting period
Initial defrosting period
Normal defrosting period
Temperature is lower than 0oC
6~24 hours
Defrosting sensor
NTC
B3839
Thermal fuse
Can’t be restored
77oC
Defrosting heater in freezing chamber
Steel pipe
115V/200W
230V/180W
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)
Refrigerator chamber
Freezer chamber
1.TEMP control panel
2.Glass shelve
3.control knob
4.Cover plate of crisper
5.Crisper for fruit and vegetable
6.steel wire shelf
7.steel wire drawer
8.Regulating foot
9.container
10.Small bottle frame in refrigerating chamber
11.Big bottle frame in refrigerating chamber
12.steel wire shelf
6.2External dimension
Front view
Side view

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Down view
Open Door
Maximum open angle of door（135°）

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(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 2Exhaust transition pipe3Left condenser4Anti-condensationg tube5Right
condenser6Dry filter7Capillary tube8Evaporator9Return pipe10Return transition pipe
(The picture is only for reference, and specific appearance and configuration are subject to the real
product)