Samsung AR09AXKAAWKNEU, Service Manual

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11-3 Q & A for Non-trouble
Classication Class Description
Cooling Q The cooling is weak.
A When it is hot outside, its cooling capacity decreases due to the increase of the ambient tem-
perature. When the dust filter gets blocked or warm outside air gets in, the cooling capacity
will decrease. So, make sure to clean the dust filter frequently, prevent heat loss by closing
the doors and insulate the cooling area by using curtains, blinds, shades or window tinting.
Q The cooling is good generally. But, it gets weak when it is considerably hot.
A It occurs when the outdoor unit is exposed to direct sun light and heat-up air is not ventilated
well. So,set up a sunblind over the outdoor unit and keep stu away from the unit to increase
the ventilation. When the cooling capacity decreases during a heat wave, clean the heat
exchanger of the outdoor unit or spray some cold water to the heat exchanger to increase the
cooling capability.
Q The cooling is weak. Does it need refrigerant charging?
A It is not correct charging refrigerant regularly. Except that you have moved in several times or
the connection pipes are broken, the refrigerant does not run low. So, when refrigerant is ad-
ditionally charged, it could be costly and cause a product’s failure. When the refrigerant leaks,
all of it will escape in a short time resulting in cooling failure and no water coming out of the
drain hose. So, if water comes out from the drain hose, it indicates the normal operation of
the product and it does not need refrigerant charging.
Q It fails to do cooling.
A When the air conditioner is set to ventilation or the desired temperature is set higher than
the current temperature, it fails to do cooling. In this case, select cooling or set the desired
temperature lower.
Leakage Q It oods the oor.
A Place the drain hose properly. When it is not placed properly, the drain water would ow back
ooding the oor. So, straighten out the drain hose for the water to be drained well.
Q Water drips at the drain connection (service valve) of the outdoor unit.
A When a glass bottle is taken out of the refrigerator, moisture gets condensed on its surface
due to the temperature dierences. The same principle applies to the air conditioner. When
cold refrigerant goes through the copper tube, moisture gets condensed on the surface of the
tube and the connection areas. To prevent the water condensation, the pipes are insulated.
But, the connection areas of the outdoor unit are not insulated for the purpose of mainte-
nance or repair, and water gets condensed due to the temperature dierences and drips down.
Generally, it evaporates right away. But, when it drips much during muggy days, put a water
pan on the oor.
Q It leaks even though a drain pump is used.
A It occurs when the drain pump is plugged out or it is out of order. Check the power of the
drain pump and the position of the drain hose, and when the pump is faulty, contact the drain
pump manufacturer. Samsung Electronics do not manufacture drain pumps. So, we are not
able to correct the drain pump problems.
Smells Q Whenever the air conditioner is turned on, it irritates my eyes and gives me a headache.
A There are no components in the air conditioner irritating the eyes and sending out chemical
smells. But, when the air conditioner is turned on, other smell sources are sucked into the air
conditioner and get out of it. So find and root out the smell sources. Generally, it occurs at a
interior renovated place, a pharmacy, a gasoline handling place, a tire shop, a second-hand
book shop or an electronic component handling place, when its chemical or musty smells are
sucked in and sent out, it can be misled that the air conditioner generates them.