arcelik BEKO G91629NWU User manual

36’’ 3 DOORS WARDROBE TYPE REFRIGERATOR / REV
NO: 01
1
FOUREVER 3-DOOR G91629NWU
SERVICE MANUAL
REVISION HISTORY
NO REVISION DATE
00 First publication 10.10.2015
01 18.10.2018
02
03
04
05
06
07
TND eklendi

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1. GENERAL SAFETY WARNINGS
6
1.1.HCA warning
7
1.2.For products with water dispenser
7
1.3.Intended use
7
1.4.Child safety
7
1.5.Compliance with the WEEE directive and disposal of the waste product
7
1.6.Packaging information
7
1.7.Disposal of the waste product
7
2.General appearance of the product
8
2.1.General Dimensions of the Product
9
2.2.Opened View of Product at 90°
11
2.3.Maximum Opened View of the Product
12
3. INSTALLATION
13
3.1.Handling Instructions
13
3.2.Installation Instructions
13
3.3.Appropriate place for installation
14
3.4.Installing the plastic wedges
14
3.5.Electrical Connection
15
3.5.Floor level adjustment
15
4.PRODUCT USE
16
5.General Operation Principle
16
6.Gas Flow Diagram and Parts
17
7.ELECTRONIC AND CONTROLLING SYSTEM
18
7.1.Component List and Operating Principles
18
8.ELECTRONIC CONTROL SYSTEM DEALER MODE ACTIVATION
20
8.1.U4 CONTROL CARD FOREVER DISPLAY DEALER MODE
20
8.2.U4 CONTROL CARD FOREVER DISPLAY SERVICE TEST ACTIVATION
22
8.3.U4 CONTROL CARD FOREVER DISPLAY SERVICE TEST ACTIVATION
23
8.4.U4 CONTROL CARD FOREVER DISPLAY SERVICE TEST SENSOR TEMPERATURES DISPLAY
24
8.5.U4 CONTROL CARD FOREVER DISPLAY SERVICE TEST COMPONENT SLIDING STEP
26
8.6.Termination of Service Mode:
27
8.7.PRODUCTION TEST OF THE CONTROL CARD (4934262300)
28
8.8.PRODUCTION TEST OF THE CONTROL CARD (4934262800)
28
8.9.CONTROL CARD GR U4 G91629NE FOUREVER V0b (4934262300)
29
8.10.CONTROL CARD GR U4 G91629NE V0b A+ TR (4934262800)
31
8.11. Electric Circuit Diagram
33
9.U4 MALFUNCTION ERROR CODES
34
9.1.E0 Freezer Air Sensor Error
35
9.2.E1 Freezer Evaporator Sensor Error
36
9.3.E2 Fridge evaporator sensor error
37
9.4.E3 Fridge Air Sensor Error
38
9.5.E4 Freezer Defrost Heater Error
39
9.6.E8 Icematic Air Sensor Error
40

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9.7.E9 Icematic Motor Error
41
9.8.E13 Cyclic freezer fan error
42
9.9.E15 Speed Condenser Fan Error
43
9.10.Cooling failure due to electrical issues
44
9.11.Freezing error due to electrical issues
45
10.TROUBLESHOOTING
46
10.1.The refrigerator is not operating
46
10.2.Condensation in the fridge compartment
47
10.3.Compressor is not running
47
10.4.Refrigerator runs either frequently or for a long time
49
10.5.Temperatures are too low
50
10.6.The refrigerator operates tumultuously
51
10.7.Noise from the evaporator fan motor
52
10.8.Noise from the condenser fan motor
53
10.9.Noise from the refrigerator
54
10.10.Condensation on the inner walls of the refrigerator
55
10.11.Condensation on the outer side of the refrigerator
56
10.12.The doors cannot be closed
57
10.13.Water cannot be dispensed from the water dispenser
58
10.14.Condensation in the form of drops on the water dispenser area
59
11.MOUNTING/DEMOUNTING PROCESSES OF THE PARTS
60
11.1.Beko handle group
60
11.2. Blomberg handle group
61
11.3.Rear cover
62
11.4.Service hatch
62
11.5.Card cover
63
11.6.Electronic Card
63
11.7.Front leg plate group and the lid
64
11.8.Rear leg plate group
64
11.9.Door shelf 70 mm
65
11.10.TPK shelf
65
11.11.Door shelf 90 mm (for gallon)
65
11.12.Sliding door shelf
66
11.13.Adjustable glass shelves
66
11.14.Aluminium adjustable glass shelf profiles
67
11.15.Fridge crisper-top glass shelf
67
11.16.Crispers
68
11.17.Chiller compartment
68
11.18.Water dispenser trigger group
69
11.19.Crisper sheathing group and water container middle rail group
70
11.20.Waterspout closer lids
71
11.21.Middle rail group and water container
72
11.22.Water valve and waterspouts
73

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11.23.Water system connection
74
11.24.Crisper rails
77
11.25.Telescopic rail and rail gripper
78
11.26.Cooler rear illumination glass group
79
11.27.Cooler ceiling illumination glass
79
11.28.Fridge illumination glass and LED card
80
11.29.Filter cover group
80
11.30.Bypass cover / water filter
81
11.31.Filter head
81
11.32.Cooler evaporator cover screw plug
82
11.33.Cooler evaporator cover
82
11.34.Square fan group
83
11.35.Ioniser group
83
11.36.Carbon filter cover and carbon filter
83
11.37. Ioniser illumination cover (Ion fresh)
84
11.38.Sensor cover
84
11.39.Moving middle compartment group
85
11.40.Hab guide
85
11.41.Hand plate display group
86
11.42.Display group
87
11.43.Freezer compartment lower drawer / Separator / Separator wire
88
11.44.Freezer compartment upper drawer
88
11.45.Ice compartment
89
11.46.Freezer door
89
11.47.Freezer group
90
11.48.Freezer separator wire
91
11.49.Freezer middle rail group
91
11.50.Ice drawer and freezer drawer rails
92
11.51.Freezer door rail
93
11.52.Freezer evaporator sockets service cover
94
11.53.Freezer evaporator cover
95
11.54.Wired fan shield
95
11.55.Freezer fan group
96

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11.56.Thermal fuse
96
11.57.Heated pipe group
97
11.58.Discharge groups
97
11.59.Middle hinge group and pin
98
11.60.The metal door puller mechanism
98
11.61.The condenser fan motor
99
11.62. Sound damper
99
11.63. Service hatch
99
12. Service equipment
100
13. MAINTENANCE AND CLEANING
101

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1. GENERAL SAFETY WARNINGS
xChildren must not play with the device. Cleaning and user maintenance must not be performed by the
children unless they are supervised by an adult.
xIf the product is out of order, it must not be operated before being repaired by the authorised service!
Risk of electric shock!
xConnect the product to a grounded socket which is being protected by a fuse conforming to the values
on the Type Label. Have the grounding installation made by a qualified electrician. Our company shall
not be liable for any damages which may arise if the machine is used without a proper grounding
which conforms to the local regulations.
xUnplug the product if it is not in use.
xNever wash the product by spraying or pouring water on it! Risk of electric shock!
xNever touch the plug with wet hands! Do not grab the power cord to unplug the machine, always
unplug it by grasping the plug.
xIf the outlet is loose, never plug the appliance into the outlet.
xNever connect your refrigerator to electricity-saving electronic systems. These systems will damage
the device.
xProduct must be unplugged during the installation, maintenance, cleaning and repair processes.
xInstallation and repair works must always be performed by Authorised Service agents. The
manufacturer cannot be held liable for the damages which may arise from the operations performed by
unauthorised persons.
xDo not eat the cone ice cream, ice cubes, etc. right after they are taken from the freezer compartment!
This may cause frostbite in your mouth!
xDo not touch frozen food by wet hands! They may stick to your hands!
xDo not place the bottled and canned liquid beverages in the freezer compartment. They may blow!
xNever use steam and steam cleaners for cleaning and defrosting processes on your refrigerator.
Steam might contact the electrical parts of your refrigerator and cause short circuit or electric shock!
xDo not use mechanical devices or methods other than those recommended by the manufacturer to
expedite defrosting process.
xNever use the parts on refrigerator such as its door and drawers as a support or step. Otherwise, you
may cause the product to tip over or parts of it get damaged.
xDo not damage the cooling circuit, where the refrigerant is circulating, by using cutting or pointing
tools. The refrigerant that will spray out if the gas channels of the evaporator, pipe extensions or
surface coatings are punctured may cause skin irritations and eye injuries.
xDo not cover or block the ventilation holes in the refrigerator with any material.
xPlace the beverages with higher proofs tightly closed and vertically.
xDo not use pressurised flammable gaseous sprays near the product to avoid the risk of a potential fire
or explosion.
xDo not store the flammable products or products containing flammable gases (spray, etc.) and
explosive substances in the refrigerator.
xDo not place containers with liquid on top of the product. If water splashes onto an electrical part, this
may cause electric shocks or risk of fire.
xDo not store the products that need a precise temperature control (vaccines, heat-sensitive medicine,
scientific materials, etc.) in the refrigerator.
xIf you will not operate the product for a long period of time, unplug and unload the food inside.
xIf the product is equipped with blue light, do not look into it by optical appliances.
xExposing the product to rain, snow, sun and wind is dangerous with respect to electrical safety.
xDo not overload the product. It may fall when the door is opened and may harm you or damage the
product. Similar problems may occur in case of putting items on the product.
xIf the product's door is equipped with a handle, do not pull by the handle when changing the place of
the product. The handle may be dislocated.
xBe careful about not to let the moving parts inside the product to entrap your hands or other parts of
your body.

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1.1.HCA warning
xIf the product has a refrigeration system containing R600a gas, make sure that the refrigeration system
and piping are not damaged during usage and transportation. This gas is flammable. If the refrigeration
system is damaged, keep the product away from potential fire sources that may cause it to catch fire
and immediately ventilate the room where the unit is placed.
Ignore this warning if the product is equipped with a cooling system that contains R134a.
You can learn about the gas used in manufacturing of the product on the tag located on the inner
left part.
WARNING:
Never dispose the product in fire.
1.2. For products with water dispenser
xPressure of the supply water must not be less than 1 bar. Pressure of the supply water must not be
more than 8 bars.
xUse only drinking water.
1.3. Intended use
xThis product is intended for indoor use only. It is not suitable for commercial use and it must not be
used out of its intended use.
xThe product must only be used for the preservation of the food.
xThe manufacturer shall not accept any liability due to any damage arising from misuse or handling.
xService life of the product you purchased is 10 years. This is the course of time specified for spare
parts to be available in order for the product to operate as specified.
1.4.Child safety
xPackaging materials is hazardous for the children. Keep packaging materials in a safe place out of the
reach of children.
xElectrical appliances are dangerous for children. When the product is operating, keep the children
away and do not allow them to play with the appliance.
xIf the product has a door lock, keep the key out of the reach of children.
1.5.Compliance with the WEEE directive and disposal of the waste product
xThis product does not contain the harmful and prohibited substances which are described in the
“Directive for Controlling Waste Electrical and Electronic Equipment’’ issued by the Ministry of
Environment and Urban Planning. Complies with the WEEE Directive. This product has been
manufactured from high quality parts and materials which are recyclable and reusable. For this reason,
do not dispose the product with domestic and other wastes at the end of its service life. Take the
product to a collection point for the recycling of the electric and electronic equipment. Check with local
authority in your area about these collection points. Help with preserving the environment and natural
resources by delivering the used products to the recycling points. Before disposing your appliance, cut
out its power cord and if there are any locks on the door, make them inoperable for children’s safety.
1.6.Packaging information
xPackaging of the product was manufactured from the recyclable materials in accordance with our
national legislation. Do not dispose the package waste along with the domestic or other wastes, take
them to the collection points which are specified by the local authorities.
1.7.Disposal of the waste product
xThis product has been manufactured from high quality parts and materials which are recyclable and
reusable. For this reason, do not dispose the product with domestic and other wastes at the end of its
service life. Take the product to a collection point for the recycling of the electric and electronic
equipment. Check with local authority in your area about these collection points. Help with preserving
the environment and natural resources by delivering the used products to the recycling points.

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2.General appearance of the product
The figure given is for schematic purposes and may not be exactly the same with the
product. If the relevant parts are not available in the product, it applies to other
models.

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2.1.General Dimensions of the Product

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2.2.Opened View of Product at 90°

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2.3.Maximum Opened View of the Product

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3. INSTALLATION
3.1.Handling Instructions
1. This appliance must be transported only in upright position. Shipping package must not be
damaged during transportation.
2. If the appliance is to be transported in horizontal position, it must only be leaned towards
right-hand side when you are facing the front of the appliance. After bringing it to upright position, it
must be left for at least 4 hours without being operated in order to have it settled.
3. Failure to obey above instructions may result in damage on the appliance. In case of failure
to obey these instructions, the manufacturer shall not be held responsible.
4. The appliance must be protected against rain, humidity and other atmospheric effects.
5. Pay attention not to damage your floor, the pipes, wall coverings and etc., while installing
your appliance. The appliance must not be handled by pulling from the door or door handle.
6. Discharge the water in the drain tray before moving the appliance. For detailed information,
see “Cleaning and Maintenance” section in the operation manual.
7. Do not sit on or climb to the appliance since the design of the appliance is not suitable for
such actions. You may injure yourself or damage the appliance.
IMPORTANT! To prevent cutting or damaging the power cable, make sure that the cable is not
pinched under the appliance during and after moving it.
3.2 Installation Instructions
1. Volume of the room where the product will be installed must not be less than 10 cubic
meters.
2. Do not place the appliance in a cold room where the temperature is likely to fall below 10°C
at nights and/or especially in winter season.
This refrigerator/deep freezer is designed to operate in ambient temperatures between 10°C
and +43°C.
3. Do not place the appliance near ovens or radiators or under direct sunlight since they will
cause the appliance to operate more difficultly. In case of placing the appliance near a heat source or
freezer, ensure that the following minimum clearances are provided.
From ovens: 50 mm (2")
From radiators: 400 mm (12")
From freezers: 25 mm (1")
From the wall: 50 mm (2")
4. Mount the 2 plastic wedges supplied in a bag in the refrigerator onto the rear ventilation
cover as illustrated in the following figure. To do this, remove the screws on it and attach the screws
given in the same pouch. Plastic wedges are for the required distance between your refrigerator and
the wall in order to allow the air circulation.

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3.3.Appropriate place for installation
WARNING: If the door of the room where the refrigerator will be placed is
too narrow to let the product to pass through, the doors of the unit must
be dismantled and the appliance must be passed in a horizontal position.
xPlace your product on a place that allows ease of use.
xInstall the product at least 30 cm away from heat sources such as hobs, ovens, central
heaters and stoves and at least 5 cm away from electrical ovens. The appliance must not be
exposed to humidity and direct sunlight after installation.
xThere must be appropriate air circulation around in order for the product to run efficiently. If
the refrigerator will be placed around a recessed wall, make sure that there is at least 5 cm
clearance between the ceiling and side walls.
xDo not place the product on materials such as carpet or rug.
xPlace the refrigerator on a flat surface to avoid any swaying.
If two refrigerators are placed side by side, there must be at least a
distance of 4 cm between them.
3.4.Installing the plastic wedges
Plastic wedges are used in order to maintain the clearance that will provide the air circulation between
the product and the wall. Insert the 2 plastic wedges supplied with the product onto the rear ventilation
cover as illustrated in the figures. In order to mount the wedges, remove the screws on the product
and use the screws available in the same bag along with the wedges.
- Screws on the upper side of the rear cover are unscrewed.
- The installation is ensured by screwing the ventilation support wedges provided in the product
on the as directed areas.

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3.5.Electrical Connection
Connect the product to a grounded socket which is protected by a fuse conforming to the values on
the Type Label. Our company shall not be liable for any damages which may arise if the machine is
used without a proper grounding which conforms to the local regulations.
xThe connection must be in compliance with national regulations.
xThe power cable plug must be easily accessible after installation.
xVoltage and allowable fuse protection are specified in the type label adhered to the inner part
of the appliance. If the current value of the fuse in your house does correspond to the values
specified in its rating plate, request a licensed electrician to connect an appropriate fuse.
xThe specified voltage must be equivalent to your mains voltage.
xDo not set any connection with extension cables or multiple outlets.
WARNING: Damaged power cords must be replaced by an Authorised
Service agent.
WARNING: If the product is out of order, it must not be operated without
being repaired. Risk of electric shock!
3.5.Floor level adjustment
If your refrigerator is unbalanced;
You can balance your refrigerator by turning the front legs as illustrated in the figure. The corner
where the leg exists is lowered when you turn in the direction of black arrow and raised when you
turn in the opposite direction. Taking help from someone to slightly lift the refrigerator will facilitate
this process.
WARNING: First disconnect the electrical connection of the product.
While the legs are being adjusted, the product must not be plugged in.
There is risk of electric shock!

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4.PRODUCT USE
xFor air circulation in the place where the refrigerator is located, necessary clearance must be
allocated under, top, right and left of the unit.
xAs the water inlet is at the rear side of the refrigerator for products equipped with water
dispenser, make sure that the hose is not kinked or squeezed.
xIf the refrigerator is equipped with an Icematic supplied from mains, area required for the
mains system must be reserved.
xPlug your refrigerator always into a grounded socket. Pay attention not to damage the power
cable during transportation.
xDo not place devices such as radiators, heaters and etc. close to the refrigerator.
xThe place where the refrigerator will be placed must be at an appropriate distance to the place
of mains connection.
xRefrigerator must not be exposed to the direct sunlight.
xFloor levelling adjustment must be made according to the area where refrigerator is placed.
xAdequate area must be allocated in order for the doors of the refrigerator to opened easily.
xPosition of the refrigerator must be appropriate for servicing and maintenance.
xDo not use the refrigerator on wet floors. There is the risk of electric shock in terms of safety.
5.General Operation Principle
Electronic NF refrigerator is composed of fridge and freezer compartments. It is a micro-processor
controlled no-frost refrigerator. All functions and temperature controls of the refrigerator are made in
line with the desire of the user thanks to the microprocessor. The software in the microprocessor
controls the cooling and water system elements (compressor, fans, heaters, valves, icebox, solenoids,
ice crusher motor and ioniser, etc.) of the refrigerator. Cooling of the refrigerator is provided through
passing the air inside continuously over the evaporators by means of the fan and circulating it for the
Freezer and the FF separately. No frosting or icing forms inside the usable areas of no-frost
refrigerators as is the case with conventional refrigerators. The frosting that forms on the evaporator
which is out of the usable area is melted by means of heaters automatically activated under the control
of the microprocessor at certain intervals to be determined by the control algorithm. In that way the
frost and the ice accumulated on the evaporator are melted without requiring the user making any
operation for enabling the refrigerator to operate more efficiently.

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6.Gas Flow Diagram and Parts
Cooling system parts
1-
Compressor / KMP.MTS200MT
2-
Coil Condenser
3-
Freezer heating pipe
4-
Dryer
5-
Capillary (Capillary pipe)
6-
Freezer evaporator group
7-
Cooler evaporator group
8-
Return Pipe
Welding Points
A-
Compressor - Coil Condenser
B-
Coil Condenser - Flange Heater
C-
Flange Heater - Dryer
D-
Dryer - Capillary tube
E-
Return pipe - Connector
F-
Connector - Compressor
G-
Service pipe
H-
Cooling evaporator –Return pipe
I- Freezing evaporator
- Cooling evaporator
J-
Capillary tube - Freezing evaporator
K-
Dryer - L Service tube

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7.ELECTRONIC AND CONTROLLING SYSTEM
7.1.Component List and Operating Principles
Component
1
Compressor
2
Defrosting heater
3
DC Speed Freezer fan
4
DC Speed Condenser fan
5
Sensors (Frz Eva, Frz Air, FF Eva, FF Air, Icematic)
6
DC Fresh Food Fan
7
Flange Heater
8
FF Eva heater
9
Thermal fuse
10
PTC relay
11
Thermal
12
Door Reed Switch (FRZ, FF)
13
DC Led Bar and DC ATK Led Board
14
Ioniser
15
DC Blue LED board (optional)
16
Icematic motor
17
Water pipe heater
18
Supply line filter
19
Capacitor
20
Electronic control board
21
Indicator Card
22
Ice-cream machine
23
Everfresh compartment valve
Compressor: Refrigerant gas circulation is provided through the compressor. Power supply is provided over a
thermal protector. The auxiliary coil which is activated for a short time during first start
-
up of the compressor is
deactivated
by PTC.
Freezer fan motor (Freezer Compartment Fan Motor):
It is mounted on the inner body of refrigerator behind
the rear cover of evaporator. It ensures circulation of the freezer compartment air in the freezer compartment
by passing it continuously over the evaporator.
Condenser fan motor: It is located at the bottom of the cabin. It prevents excessive heating of the condenser
and drops condensation pressure to increase the efficiency of the fridge. It is connected parallel to the
compressor, runs when the compressor starts and stops when it stops.
Sensors:
It has a characteristic that its resistance decreases as the temperature rises. Sensors on the
refrigerator body detect the temperature of their surrounding area and transmit it to the electronic control board.
Freezer sensor (Freezer Compartment Sensor): It detects the temperature in the freezer compartment and
transmits it to the microprocessor. Values taken from this sensor are compared with the cut
-in and cut
-out
values of the temperature set for the freezer compartment to run or stop the compressor and the freezer
compartment fan motor.
FF sensor (Fridge Compartment Sensor):
It detects the temperature in the fridge compartment and transmits
it to the microprocessor. Values taken from thi
s sensor are compared with the cut-in and cut-
out values of the
temperature set for the fridge compartment to run or stop the compressor, the fridge compartment fan motor
and the fridge compartment rear wall heater.

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FF Eva sensor (Fridge Compartment Eva
Sensor):
It is used to detect the tail Evaporator temperature of the
Fridge compartment.
Defrost sensor: It is located on the evaporator at the capillary outlet. It detects the temperature on the
evaporator and transmits it to the microprocessor. Defrost is terminated according to the temperatures received
from this sensor.
Freezer defrost heater: The heater under the freezer evaporator is activated and deactivated by the electronic
card at times of defrost. In this way, it periodically defrosts icing
accumulated on the evaporator.
Flange Heater: It is used to prevent condensation on the contact surface of Freezer Door seals.
Thermal fuse:
It is located on the evaporator. In case of any malfunction, it cuts the current to the heater to
deactivate the defrost heater in order to prevent the defrost heater from remaining activated continuously and
doing any damage to the refrigerator, environment and foods inside. Thermal fuse is disposable and therefore
it must be replaced once it is blown.
PTC relay:
It has a characteristic that its resistance increases as the temperature rises. It ensures primary
start
-up of the compressor by activating th
e compressor's auxiliary coil, then it deactivates the auxiliary coil by
being heated with the current flowing over it.
Thermal:
It is a component that becomes open circuit when heated. It opens the circuit at a certain
temperature and cuts the current to the compressor in order to protect the compressor coils against excessive
heating. When the temperature of the compressor drops
below a certain value, it re-
completes the circuit to
operate the compressor.
Upper hinge cover Reed Switch:
Reed switches are used in the upper hinge cover with display. Normally,
once the cooling doors are closed it is in closed circuit. When the cooling doors are open, a signal is
transmitted to the control board and thus, FF illumination units are lit and disabled if the fan is running. When
the door is closed, lamps are turned off and the fan starts running if needed.
DC Led Bar and DC ATK Led Board
6 units of 12V DC LED boards are used for the illuminating fridge
compartment. These LED boards are activated by the reed switch and control board when the fridge
compartment door is opened. 1 unit of 12V DC LED boards are used for the illuminating the fridge
compartment. This LED board is activated by the reed switch and control board when the freezer compartment
door is opened.
Electronic Control Board: The control board is placed in the plastic box towards the rear wall on the upper
plate of the refrigerator. FRZ is used as the main board which controls the electronic systems which are
controlled by the display on the door.
Icematic sensor:
It is a sensor with flexible body under the icebox. It detects freezing of the water in the
icebox and transmits the info to the microprocessor. Thus the motor of the icematic is rotated according to the
temperatures detected from the sensor.
Icematic Sensor:
The icematic accessory in the freezer compartment is used to detect the ice quantity in the
icebox.
Icematic motor:
It ensures discharging of the ice formed in the icebox into the ice container. Ice formation is
determined with the information received from the icematic sensor; icebox motor is activated according to the
time of ice formation and the ices are poured into the ice container. Icematic arm detects when the ice
container is full and it does not pour more ice into the ice container than its capacity.
Blue light LED board:
Blue light LEDs are used to ensure longer preservation of vegetables. It is used along
with the rear illumination units of cooler compartment on the lower section.
Ioniser: It periodically spreads ions into the FF compartment in order to clean the air inside the compartment. It
is used on the upper section of the fridge compartment and behind the fridge eva cover.

36’’ 3 DOORS WARDROBE TYPE REFRIGERATOR / REV
NO: 00
20
8.ELECTRONIC CONTROL SYSTEM
8.1.U4 CONTROL CARD FOREVER
DISPLAY DEALER MODE
DEALER MODE ACTIVATION
- The display board we use in the refrigerator has a six-key system.
- Set values are shown on the display.
The figure given is for schematic purposes and may not be exactly the same with the
product. If the relevant parts are not available in the product, it applies to other
models.
*(pressing for 3 seconds)
Step 1:
Press and hold On/Off and Alarm Off buttons for 3 sec anytime after energizing
to switch to password
entry screen.