Hisense RS-77WC1SQD/UPE-001 User manual

1
重要度
产品
名称:
冷藏冷冻箱
产品
型号：
BD-590WY/HC1(H)
文件
名称：
售后服务技术资料
文件
编号：
BSSJ00002548
编制
日期：
2021 年1月3日
借(通)用件登记
家电研发
中心
旧底图总号
底图总号
A
售后服务
技术资料
版本
更改单
编号
签字
日期
重量
比例
出图审查
设计
刘阳
审核
许泽红
李腾昌
宋志红
标准
化
谭小平
共张
第张
BSSJ00002548
日期
批准
翟会杰

Refrigerator
Service Manual
Model：RS-77WC1SQD/UPE-001

1
Contents
1. Warning and precautions for safety.......................................1
2. Appearance and structure ......................................................1
2.1 View of the appliance .........................................................2
2.2 Wind channel structure ......................................................4
2.3 Freezer evaporator structure..............................................5
2.4 Compressor room structure................................................6
3. Basic parameters ....................................................................7
4. Operation and functions .........................................................8
4.1 Display controls..................................................................8
4.2 Water Dispenser ..............................................................10
4.3 Installing handles ............................................................. 11
4.4 Defrost mode ...................................................................12
4.5 Error dispaly.....................................................................14
5.Trouble shooting ....................................................................10
5.1 Common problem and checking.......................................10
5.2 Faulty start .......................................................................12
5.3 Refrigeration failure..........................................................13
5.4 Thick frost in freezer compartment ...................................15
5.5 Dew in refrigerator compartment.............错误!未定义书签。
5.6 Breaking of light...............................................................16
5.7 Noise................................................................................17
6. Circuit and checking .............................................................20
6.1 Circuit diagram.................................................................20
6.2 Main control board ...........................................................20
6.3 Compressor .....................................................................20
6.4 Fan motor ........................................................................22
6.5 Light.................................................................................23
6.6 Display part......................................................................24
6.7 Defrost heater ..................................................................24
6.8 Sensor .............................................................................25
7. Cooling system repairing .....................................................27
7.1 Refrigeration system ........................................................27
7.2 Summary of repair ...........................................................28
7.3 Regulation of repair..........................................................29
7.4 Practical work of repair.....................................................30
7.5 Brazing reference drawing ...............................................32

1
1. Warning and precautions for safety
Please observe the following safety precautions in order to use
safely and correctly the refrigerator and to prevent accident and
danger during repair.
1. Be care of an electric shock. Disconnect power cord from wall
outlet and wait for more than three minutes before replacing PCB
parts. Shut off the power whenever replacing and repairing electric
components.
2. When connecting power cord, please wait for more than five
minutes after power cord was disconnected from the wall outlet.
3. Please check if the power plug is pressed down by the
refrigerator against the wall. If the power plug was damaged, it
may cause fire or electric shock.
4. If the wall outlet is over loaded, it may cause fire. Please use its
own individual electrical outlet for the refrigerator.
5. Please make sure the outlet is properly earthed, particularly in
wet or damp area.
6. Use standard electrical components when replacing them.
7. Make sure the hook is correctly engaged. Remove dust and
foreign materials from the housing and connecting parts.
8. Do not fray, damage, machine, heavily bend, pull out or twist the
power cord.
9. Please check the evidence of moisture intrusion in the electrical
components. Replace the parts or mask it with insulation tapes if
moisture intrusion was confirmed.
10. Do not touch the ice maker with hands or tools to confirm the
operation of geared motor.
11. Do not let the customers repair, disassemble and reconstruct
the refrigerator for themselves. It may cause accident, electric
shock, or fire.
12. Do not store flammable materials such as ether, benzene,
alcohol, chemicals, gas, or medicine in the refrigerator.
13. Do not put flower vase, cup, cosmetics, chemicals, etc., or
container with full of water on the top of the refrigerator.
14. Do not put glass bottles with full of water into the freezer. The
contents shall freeze and break the glass bottles.
15. When you scrap the refrigerator, please disconnect the door
gasket first and scrap it.
. Appearance and structure

2
2
2.1 View of the appliance
BD-590WY/HC1(H) - RS-77WC1SQD/UPE-001:
View of the appliance
1. Display panel
2.Upper air duct
3.Upper shelf
4.Lower air duct
5.Lower shelf
6.Drawer
7.Adjustable bottom feet
8.Door switch
9.Door
10.Door bin
11.Handle
12.Door lock
13. Door gasket
Note！
Due to unceasing modification of our products, your refrigerator may be slightly different
from this instruction manual, but its functions and using methods remain the same.
To get the best energy efficiency of this product, please place all shelves, drawers and
baskets on their original position as the illustration above.

3
2.2 Wind channel structure

4
4
2.3 Freezer evaporator structure
1. Heater
2. Finned-type evaporator parts
3. Water drain
4. Temperature sensor part
5. Temperature fuse
4
3
1
2
5

5
2.4 Compressor room structure
1. Compressor Running Capacitor
2. Power line
3.Compressor
4. Evaporating Dish Part
1
4
2
3

6
6
3. Basic parameters
BD-590WYHC1(H)
Content
Unit
Value
Voltage/frequency
115 / 60Hz
Gross capacity (fridge/freezer)
cu.ft/L
21.2cu.ft/599L
Climate
class(SN=10~32℃,N=16~32℃,ST=16~38℃,T=16~43 ℃)
12.8～43.3℃
Energy consumption / year
kWh/year
549
Energy consumption (EN153) per 24 h
kWh/24 h
1.504
Kind of coolant /Charge ( 134 /R600a) / grammes
R / g
R600a/55g
Foaming components (R141b/C-P）
PU/
C-P
Certifications ( CE / ISO 9001/2 / LGA etc.)
CSA/UL
Max noise level
dB(A)
45
4. Operation and functions
4.1 Display controls
Use your appliance according to the following regulations, your appliance has the
corresponding functions as the control panels showed in the pictures below.
Controlling the temperature
We recommend that when you start your
refrigerator for the first time, the
temperature for the refrigerator is set to
0℉（-18℃）. If you want to change the
temperature, follow the instructions below.
Caution!
When you set a temperature, you set an
average temperature for the whole
refrigerator cabinet. Temperatures inside
each compartment may vary from the
temperatures displayed on the panel,
depending on how much food you store
and where you place it. High or low room
temperature may also affect the actual
temperature inside the appliance.
1. °F /°C
To toggle between Celsius and Fahrenheit
on the display, press and hold the “TEMP.”
button for three seconds.
2. TEMP.
Presses the “TEMP.” button select
temperature setting.
If you have set the temperature type to
Fahrenheit, the temperature settings
cycle from 7°F to -11°F in one degree
decrements.
If you have set the temperature type to
Celsius, the temperature settings cycle
from -14°C to -24°C in one degree
decrements.
3. Fast Freeze

7
Fast Freeze will quickly lower the
temperature within the freezer so food
will freeze faster than usual. This
feature also helps to keep vitamins and
nutrition of fresh food fresh for longer
period.
Press the “MODE” button to
activate this function. The “Fast Freeze”
icon will be illuminated and the
temperature for the freezer is set to -11
℉(-24℃).
Fast Freeze will automatically turn
off after 52 hours.
When Fast Freeze function is on
you can turn it off by pressing the
“MODE” or setting freezer temperature.
To manually turn off the Fast Freeze
function, the freezer temperature setting
will revert back to the previous setting.
NOTE: When you selecting the Fast
Freeze function, ensure there are no
bottled or canned drinks (especially
carbonated drinks) in the freezer
compartment. Bottles and cans may
explode.
4. Energy Saving
Press the “MODE” button to turn on the
Energy saving function. The “Energy
Saving” icon will be illuminated.
When the Energy Saving function is
on, the temperature is automatically
switched to 1℉（-17°C）.
When Energy saving function is on
you can switch it off by pressing the
“MODE” or “TEMP.” button and the
refrigerator temperature setting will
revert back to the previous setting.
5. POWER
Press and hold the “POWER” button for
three seconds to turn the power function
on or off.
When the power function is on, the
icon lights and the display panel will
show “OF”. If no buttons have been
pressed, the display board will turn off
about 1 minute later.
IF you want to turn off the power
function, make sure the display board is
lighting up. IF not, you can press any
button to light up the display board.
NOTE:
When the power function is on, the
refrigerator stops cooling.
6. Alarm Mute
When the door is open over 2 minutes,
the display panel will show “dr” and the
“Alarm” icon will light and flicker , the
warning sound beeps 3 times per
minute. The door alarm will stop about 8
minutes later.
In case of door alarm, it can be
turned off by closing the door.
In case of door alarm, you can
press and hold the “MODE” button for
three seconds to clear the door alarm
sound, and then the control panel will
show “dr” and the “Alarm” icon will light.
To save energy, do not keep the
door open for a long time when using
the refrigerator.
7. Demo mode
Demo mode is for store display, and it
prevents the refrigerator from
generating cool air. In this of Cooling off
Mode, the refrigerator may seem like it
is working but it will not make cool air.
The display panel will show special
segments as follow.
To switch off demo mode, press and hold
"POWER" And "MODE" buttons at same
time for three seconds and the buzzer
gave a long sound.

8
4.3 Installing handles
Before you use the appliance, you have to install the handles provided in the fridge
chamber.
Please follow procedures below to install and reverse the handle.
Fasten the handle supports (C) to the door by a cross screwdriver (self-provided).
Place the handle (A) on the door by fitting the handle footprints over the handle supports
(C), then fasten the screws (B) with Allen wrench (provided in plastic).

9
4.4 Defrost mode
4.4.1 Automatic defrost mode
When compressor accumulated running time reach the setting point (depends on the
environment temperature), it will enter defrost mode automatically.
4.4.2 Force Defrosting Mode
Within 10 minutes of power on, press the button “ ” and ” ” for exceeds 3
seconds into force defrost mode.
4.4.3 Defrost flow
Start
Compressor stops
Defrost heaters work
Evaporator temprature reach the setting
point,exit defrost mode
Defrost heaters stop
Compressor starts several
minutes delay
Evaporator fans start
several minutes delay

10
5.Trouble shooting
5.1 Error Code
Code
Problem
E3
Freezer sensor malfunctions
E4
Freezer defrost sensor malfunctions
F1
Freezer fan malfunctions
Ec
Communication sending malfunctions
Er
Communication receiving malfunctions
5.2 Common problem and checking
If you experience a problem with your appliance or are concerned that the appliance is not
functioning correctly, you can carry out some easy checks before calling for service, please
see below.
Warning! Don’t try to repair the appliance yourself. If the problem persists after you have
made the checks mentioned below, contact a qualified electrician, authorized service
engineer or the shop where you purchased the product.
Problem
Possible cause & Solution
Appliance is not working
correctly
Check whether the power cord is plugged into the power outlet
properly.
Check the fuse or circuit of your power supply, replace if
necessary.
It is normal that the freezer is not operating during the defrost
cycle, or for a short time after the appliance is switched on to
protect the compressor.
Odours from the
compartments
The interior may need to be cleaned
Some food, containers or wrapping cause odours.
Noise from the
appliance
The sounds below are quite normal:
Compressor running noises.
Air movement noise from the small fan motor in the freezer
compartment or other compartments.

11
Gurgling sound similar to water boiling.
Popping noise during automatic defrosting.
Clicking noise before the compressor starts.
Other unusual noises are due to the reasons below and may
need you to check and take action:
The cabinet is not level.
The back of appliance touches the wall.
Bottles or containers fallen or rolling.
A layer of frost occurs in
the compartment
Check that the air outlets are not blocked by food and ensure
food is placed within the appliance to allow sufficient
ventilation. Ensure that door is fully closed. To remove the
frost, please refer to the“Cleaning and care” chapter.
Temperature inside is
too warm
You may have left the doors open too long or too frequently; or
the doors are kept open by some obstacle; or the appliance is
located with insufficient clearance at the sides, back and top
Temperature inside is
too cold
Increase the temperature by following the “Display controls”
chapter.
Doors can’t be closed
easily
Check whether the top of the refrigerator is tilted back by 10-
15mm to allow the doors to self close, or if something inside is
preventing the doors from closing.
The light is not working
The LED light may be damaged. Refer to replace LED lights
in “ Cleaning and Care” chapter of manual.
The control system has disabled the lights due to the door
being kept open too long. Close and reopen the door to
reactivate the lights.

12
5.2 Faulty start

13
5.3 Refrigeration failure
5.3.1 Freezer compartment

14
5.3.1 Freezer compartment

15
5.3 Thick frost in freezer compartment

16
5.4 Breaking of light