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Ice formation on evaporator coil - Samsung AW1203B Air Conditioner

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Low freon...

Posted on Sep 10, 2010

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Posted on Jan 02, 2017

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SOURCE: evaporator coil continue frosting\build up ice

check the indoor fan motor, the indoor fan motor has to be running while condenser is on. make sure the filter is clean and the return vents are not blocked. Check charge.

Posted on Dec 16, 2009

SOURCE: i have problem of freezer

Turn it off & let defrost.You have a clogged air filter or low freon/leak.leave fan in "on"setting at thermostat.

Posted on Mar 16, 2010

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We have a several Scotsman ice machines but on one the evaporator is a block of ice. What can cause this to keep happening?


There could be several causes.... Dirty Condenser, Drain Tube Issue, faulty evap fan, etc. Go through the list below to help you diagnose the issue. The second website is even more in depth.
Iced Coil evaporator coil iced problems with iced coils

http://www.achrnews.com/articles/87866-six-steps-for-ice-maker-diagnostics

Nov 17, 2016 | Kitchen Appliances - Others

1 Answer

Ice formation ac indoor unit


several issues can cause this problem.
1st. not enough air circulating the evaporator coil meaning dirt filters or obstruction.
2nd. low refrigerant charge.
3rd. the out side tempurature maybe to cold, some units don't funtion well in cold climites.

Nov 22, 2013 | Heating & Cooling

1 Answer

I have a Hotpoint HSS25GFPEWW side by side.....initially the ice maker stopped crushing and dispensing ice....then the freezer started to warm. I cleaned the condenser coils and confirmed the condenser...


dead if the compressor is running and theres no cooling or frost on the evaporator you have leaked out all your freon only way to fix is call a pro about 600$ to fix

Aug 15, 2012 | Hotpoint HSS25GFP Side by Side...

2 Answers

Kenmore AC, no cold air


If the evaporator tube is iced up entering the coil and cool to warm leaving the evaporator, that would indicate low on refrigerant or a restriction. If it is iced up entering and leaving the evaporator, then, it could be low on refrigerant,blower not running at proper speed, dirty evaporator coil or filter.
You need to check the suction and head pressure and temperature to determine problem for sure.

Jun 07, 2010 | LG LWHD1200FR Wall/Window Air Conditioner

1 Answer

Not cooling properly. dismounting the front panel showed formation of ice on ac tubes


ice forming on the evaporator coil (you called it ac tubes) is a common sign of 'low' air flow across the coil.

The evaporator coil will 'ice' if the air flow is restricted.

This usually happens when the filter and or coil becomes dirty.

If the filter is changed often (when dirty) then the chances of the coil becoming dirty are reduced.

In any event - you must have a 'clean' filter and a clean coil.

The filter is usually made to be 'washed out,' and the coil can be cleaned with a wrag - or brush of some sort.

The goal is to make sure the filter and coil are both clean.

Other things can cause a coil to 'ice,' but are less likely.

a) low on refrigerant - not likely because the system is 'sealed' and the chances of losing gas are remote unless it's an older AC and has been 'opened' in the past - which improves the chances of a leak.

b) a problem with the fan motor - i.e. cutting off and then back on - or - not running as fast (both will reduce the air flow) as it should because of internal problems.

c) in a room with a 'low' load - i.e. the outside temp is low and the room is cool - thus causing a low load situation. This too is not likely as most AC's are being run because it's hot in the room.

Bottom line - is I would make sure my filter and evaporator coil are both clean and unrestricted.

good luck!

May 09, 2010 | LG BG8000ER Air Conditioner

1 Answer

I have purchase samsung Ac from Rathna Fanhouse -Chennai -


Assuming the ice is on the front of the unit it's a good bet that your inlet filter is dirty/clogged and is restricting the air over your evaporator coil. The first thing you need to do is turn off the unit and let the ice melt; in other words - 'defrost the AC.'

I would then try cleaning the filter (usually just needs to be washed out) but I'm betting you will need to clean the evaporator coil too.

Cleaning the evap coil is not that difficult, sometimes it can be as easy as pulling a 'sheet' of matted hair/wet dirt from the front of the evap coil.

Often you will need to use a brush of some sort and clean the coil. The object is to get the evap coil clear of all dirt so that air can flow easily through the coil.

good luck!

Apr 04, 2010 | Heating & Cooling

1 Answer

Water leaks in from freezer. eventually filling vegetable bins and falling out onto floor. Ice formation near back top shelf and other shelves. Is their a simple fix?


Maybe, Your evaporator coils frost up in normal use and every eight hours or so the entire unit shuts down and the defrost heater comes on to melt the frost. This cycle last about 20 minutes. The melted frost drips into a drain pan and through a drain tube to the drain tray under the freezer/refrigerator where it's evaporated by the condenser fan.

Your drain tube may be stopped up with ice at the upper end because it drains too slow because it's stopped up at the lower end in the evaporator pan under the unit at the floor. It can get dust and mold in it. Once you get the ice out at the top a little pressure with a turkey baster will usually clear it out. Flushing it out with hot water and clorox may help.
Make sure it drains quick enough to prevent refreezing. . The drain should be located below the evaporator coils on the lower back of the freezer

Oct 27, 2009 | KitchenAid KSRA25ILSS Side by Side...

1 Answer

1.5T Voltas Vetris window AC. Ice formation


I think the more likely problem is that the unit is slightly short of gas\ refrigerant, which is a common cause of icing up evaporator coils and this sound you describe. First check that the air filter is clean. Another cause could be the defrost sensor is faulty, but I would think not. Some ice isn't actually a bad thing, but quite common as long as it doesn't form over too much of the coil, or get too thick.

Aug 15, 2009 | LG Heat cool Window Air Conditioner

2 Answers

Freezer is frosted in back Refrigerator is warm


The problem is the defrost system located behind the freezer back panel.

The defrost system (AKA evap. system) is composed by an heating coil, a fan , and a defrost thermostat, and its function is avoiding ice formation on coil.
When defrost system is defective the fridge wont cool down properly

In your fridge , either evaporator fan, thermostat or heating element is faulty, and the ice on coils is preventing the appliance from cooling down properly.

Mar 29, 2009 | Hotpoint HSS25GFP Side by Side...

1 Answer

Back wall of larder freezer icing up - fridgeidare RL 6003 B


located behind the freezer back panel.

The defrost system (AKA evap. system) is composed by an heating coil, a fan , and a defrost thermostat, and its function is avoiding ice formation on coil.
When defrost system is defective the fridge wont cool down properly

In your fridge , either evaporator fan, thermostat or heating element is faulty, and the ice on coils is preventing the appliance from cooling down properly.

Try first a complete defrost, leaving the unit unplugged overnight, if this does not fix the problem, then there is a fault.

Jan 20, 2009 | Frigidaire FRS23F4C Side by Side...

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