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Posted on Aug 25, 2007

Central air frost buildup on my coolent coil and air is not turning on neither is the blower.Can some one help me with this?

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  • Contributor 50 Answers
  • Posted on Aug 26, 2007
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Joined: Aug 09, 2007
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First turn your thermostat to the fan on selection, if this allows the blower to run then replace the stat. If blower will not run in on selection it is either a bad control board or blower motor. I can walk you through getting the blower on if the board is bad so it will operate until you replace it. Thx RepairUSA

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0helpful
1answer

Freezer at 34 and Fridge at 50. Frost build up on inside back panel of freezer

Your refrigerator's defrost system may be the cause of the frost buildup on the inside back panel and the higher temperatures in the refrigerator compartment.
To resolve the issue, you can take the following actions:
Check the thermostat for defrosting: Once the coils have reached a certain temperature, it is the job of the defrost thermostat to turn off the heater. It may not be turning off the heater, resulting in excessive frost buildup, if the thermostat is defective.
Using a multimeter, you can check the thermostat for continuity.
Check the heater that defrosts: During the defrost cycle, the defrost heater melts the accumulated frost on the coils. It's possible that the heater won't be able to melt the frost, resulting in its accumulation. Using a multimeter, you can check the heater for continuity.
Check the defrost control board and timer: The defrost cycle is started on a regular basis by the defrost timer or control board. It's possible that the defrost cycle is not being initiated, resulting in frost buildup, if the timer or control board is defective. Using a multimeter, you can check for continuity on the control board or timer.

And if the above is not helpful, do try the ones below;

Check the thermostat for defrosting: On the evaporator coils in the freezer compartment, you'll find the defrost thermostat. Once the coils have reached a certain temperature, it shuts off the defrost heater. Use a multimeter and disconnect the wires to test the thermostat at room temperature for continuity. The thermostat is faulty and must be replaced if there is no continuity , you can replace with https://amzn.to/3lvYEAy.
Check the heater that defrosts: In the freezer compartment, the defrost heater can be found on the evaporator coils. During the defrost cycle, it melts the accumulation of frost on the coils. Use a multimeter to verify continuity while disconnecting the heater's wires for testing. The heater is defective and needs to be replaced if there is no continuity with a new one that can be found on https://amzn.to/3lui4pr.
Check the defrost control board and timer: Behind the toe kick panel or inside the control panel at the top of the refrigerator is where you'll find the defrost timer or control board. It is in charge of periodically starting the defrost cycle. Using a multimeter at room temperature, check for continuity when testing the timer or control board. The timer or control board is broken and needs to be replaced with a new control board and timer via https://amzn.to/3I0j2Bn.
Examine the door seal: Warm air from the outside can enter the refrigerator and cause frost buildup on the coils if the door gasket is damaged or not sealing properly. Check the gasket for any signs of wear or damage, and if necessary, replace it.


0helpful
4answers
0helpful
1answer

I have a uaka-018jaz outside Central air unit. The other day the unit is still running but nothing is blowing out of the vent inside house in floor. The condenser or coils in the vent frosted

First you have to make sure the blower motor is running. That is the fan motor on the indoor unit. If the fan inside is running and the filter is clean you are likely low on refrigerant. If the indoor fan is not running this would be the reason for the frost. If the unit is iced up turn the system to off and the fan to on on the tstat. This will help defrost the coil. Good Luck.

If you need further help, reach me via phone at https://www.6ya.com/expert/thomas_092728000e6acb79

2helpful
1answer

Whirlpool Refrigerator model ET18GKXHW0 0 I seem to have a problem with my defrost cycle. The fridge has warmed up over the last few days and there is frost buildup on the back of the freezer...

The defrost cycle is relative to the cooling coils and not the interior temprature. Frost showing up means air is leaking into the fridge... To resolve, you need to observe the cooling coils are free from buildup. it it the coils, usually under panels, that should be attracting the moisture, and the defrost cycle clears that buildup, and not any buildup in the main (user accessable) areas of the fridge....

Defrost timers are not too expensive, consider blindly changing that...but totally defrost the unit around the coils or you will never get past the issue.
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1answer

Ice forms inside unit -frost buildup-on outside-out side fan shaking unit fan running fo r ours

First to solve your icing problem. Due to indoor coil & air filter blocked or short of gas ice formation will be there. And also check the speed of blower motor, if less rpm, change capacitor for blower motor.
Service the unit also.

Second, for shaking the unit means your out door fan cracked or broken. Check and replace it. Is it helpful?
0helpful
1answer

Refrigerator not cooling freezer works fine blower motor in rear of unit on but turning slowly

Since the freezer is fine, you are in good shape. Pull off the back cover inside the freezer to inspect the evaporator coils. You should see a light frost pattern. If it is heavily frosted, then you have a open heater element - located at bottom of evaporator. If heater is good and you have heavy frost buildup, replace motherboard and thermistor which is clipped to the top of the evaporator.
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We have Kenmore side-by-side door refigerator, recently we found a problem with freezer, all the items any type of containers are getting iced in the form of a thin layer.even the sheves and most of the...

1)The door gasket on the freezer door helps keep the cold air in and the warm air out. If the gasket is dirty or damaged, it may prevent the door from closing properly, which can lead to frost buildup on your freezer walls. To make sure the door is sealing, slip a dollar bill or a sheet of paper between the gasket and the freezer and then close the door. If the bill or paper pulls free with little or no resistance, the gasket isn't sealing properly. Wipe the gasket with a damp cloth to remove dirt, grease and other residue. If the gasket is damaged, replace it with a new one. Sometimes frost can accumulate on the back panel of your freezer if the door is open too long or too often. When you open the door, you let warm, humid air inside, and this condenses and freezes. Make sure there are no packages preventing the door from fully closing, and limit how often you open the door by removing what you need all at once.
2)Ventilation is important because it ensures your freezer stays cold. If something inside the freezer blocks the internal vents, the freezer may become warm, causing condensation to form on the walls, and eventually leading to frost buildup. When loading your freezer, make sure there are no items resting against the rear wall of the freezer and space the contents out as much as possible to improve ventilation.
3)Side-by-side refrigerators with a built-in ice maker may accumulate frost if the flap on the ice dispenser doesn't close properly. This allows warm air to enter the freezer side, condense and freeze, causing frost buildup over time. Open the freezer door and examine the flap inside the ice chute. It should be flush against the housing. If it is not, empty the ice bin and make sure there is no ice or debris preventing the flap from closing.
4)If your freezer door closes properly and nothing is keeping it open, frost buildup on the back panel may indicate a problem with the freezer's self-defrost system. The self-defrost system turns off the compressor for a short time every six to 12 hours so it can turn on the defrost heater. This melts any frost buildup on the freezer coils, and the water drains to the pan beneath the freezer. If this component fails, frost continues to build. Move the contents to another freezer and turn your freezer off for 24 to 48 hours to manually defrost the interior. If frost builds up again, contact a qualified appliance repair technician to inspect the defrost timer and repair the problem.
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Model HDN455

Check the coils at the back of the dehumidifier to see if there is any frost buildup on it. If there is, turn off the machine for a while until the room warms up and melts off the frost. The machine works by condensing the moisture in the air over these coils, so if the coils are frosted over, or are not cold enough, the moisture cannot condense. If the coils are not cold enough, you may want to get it refilled with refrigerant. You will need to take it in for servicing in this case.

Hope that helps! Should you have any further questions, please feel free to post them here.

P.S. - If you find that the solution/answer I provided led you to, or resulted in a fix, please close the ticket with a FixYa! rating. I would be very grateful for your show of appreciation.

Thank you for using FIXYA!

Cheers!
IrishDruid
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Fridgedaire Elite frost proof fridge part not cooling, Freezer sems fine

If the frozen side is colder than normal and some extra frost is forming where the fan blows,and there is ice in the bottom of freezer compartment, and the cool side is not cool enough, their is a good possability the defrosting unit is not removing all the frost and ice . the defrosting unit has a timer (usually near thermostat) that turns off the cooling fan and compressor and turns on a small heater around the evaporator ( about 20 minutes every 2 days) (evaporaror is cold heat exchanger coil inside the back wall behind a cover near the recirculating fan0, the fan circulates air to both compartments through two small openings, if these openeing are closed by ice buildup cool air can not circulate to the cool side. cure 1. remove all food and leave fridge off for 24 hours with doors open (take precautions to ensure children can't get locked in side and suffocate, if you get a qt of water in bottom of unit (may leak on floor) ice buildup that the defrost heater can not remove melted and was your problem . turn frig on replace food on unit. cure 2. turn frig off, remove food from both sides, remove shelves that block access to evaporator, remove cover over evaporator if you see the evaporator coils free of ice look at openings (2) to other side, one may be blocked with ice the other with frost, carefully melt ice with hair dryer.
If the evaporator coil is solid ice heater or timer or fan has failed. good luck
2helpful
1answer

Frigidaire model # FRS26ZNHB2 side by side not cooling

T
From your description, you have a bad evaporator fan motor. The part number for a replacement motor is #5304445861.This is not a direct replacement but is more reliable.Remove everything in the freezer, take off the back panels and you will see the fan.
If there is a large frost buildup on the coils and the fan is turning you have a defrost problem. If that is the case, please call me at 334-347-0000 and I will walk you through it.
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