Samsung RT 43, Service Manual

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Hotpoint,Mba
4033 Cv LG_MULTI_F_3828A20097W_1[1] Samsung
Refrigerador 346481235-
WD856UHSAWQ-
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0
REFERENCE INFORMATION
Descriptions of symptoms Check Points Corrective Measures
● What is the solution for the
compressor noises?
For old refrigerators
Dust could get built-up in the
machine compartment. Then, its
ventilation would get restricted
which makes the refrigerator
overheated resulting in the increase
of the noise level.
Explain it to customers and let
them clean dust or any other
foreign substances in the machine
compartment.
As the vibration proof rubbers get
hardened, noises generate during
the comp operation.
(The noise level is quite high.)
→ Replace the vibration proof
rubbers.
Explain it to customers and let
them clean dust or any other
foreign substances in the machine
compartment.
● During the comp start-up, iron
friction noises occur.
What causes them?
The reciprocation piston could get worn out or inner components could
get dislocated.
● What can be checked when the
unit sends out noises?
1. Check its symptoms and patterns.
2. Check if the unit is installed on a firm and leveled floor.
3. Check if the unit is installed close to the customer’s living area.
4. Check if the panel on the machine compartment hits on the rear wall
and the unit has enough clearance with the rear wall.
5. Check if the refrigerant pipes are shaped as normal.
● Why is the food melt even
though the display of the freezer
compartment shows -20°C?
Check the compartment
temperature with a thermometer.
If it is considered to be low cooling,
When the BLDC motor fan does not
rotate because its restriction is not
picked up. When the evap-orator
is frozen-up (defrost it) Temp
detection error according to the
characteristic change of the ther-
mistor (set the compartment tem-
perature or replace the thermistor)
● Why is the fridge compartment
not cool? (Not a defect)
Advise customers to adjust its temperature level to one or two step
higher. For example, when the ambient temperature is low such as in
winter (especially, when you use it in the morning with the door not being
opened or closed during the night), the compartment temperature could
get increased by 1~2℃ So, advise customers to shift its temperature level