AMANA ARSE66MBW SIDE BY SIDE FREEZER COIL FINS GET TOO FROSTED ?
IS IT NORMAL FOR THE FREEZERS COIL TO GET MORE FROST AT THE TOP AND FORWARD HALF OF COIL WITH FROST CLOSING THE SPACE BETWEEN THE FINS, AND THE LOWER AND REAR HALF SHOW MUCH LESS FROST ?IN OTHER WORDS....IS THE COIL SUPPOSE TO FROST UP EVENLY OVER ENTIRE COIL AND ALSO LEAVE SPACE BETWEEN THE FINS IN THE COOLING MODE??ALSO...I WAS TOLD THAT MY FRIDGE HAS A SEALED SYSTEM AND IS NOT MADE TO BE CHARGED,BUT HAD A NON MFR CAP ON THE LINE WHICH SHOWED THAT SOMEONE HAD CHARGED IT.WHAT ARE YOUR THOUGHTS ON ALL OF THIS??THANKS!
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Frost will normally build up if you do not have frost free freezer and in which case it is possible the frost free system is faulty. If it is not frost free then it has to be defrosted a few times in a month. However if the frost comes up very quickly then there are possible causes.
You may be having leakage from the door seals or there are items in the freezer that are not properly covered to avoid moisture escaping. Other possibility is that your freezer is set too cold and there are not many items in it.
Amana refrig have 2 main problems . 1 is the defrost bimetal ( 1" cylinder at the top right on the freezer coils with 2 wires ) and the other is a refrigerant leak where the copper tubing joins the aluminum tubing at the freezer coils ( evaporator coils ) . If your freezer fan is not working and you have frost on the freezer coils then replace the bimetal as this also controls the defrost heater ( defrost thermostat ) . If you have no frost on the coils ( for both checks , you will have to remove the inside rear freezer panel , maybe 12 screws ) , then a refrigerant leak has happened and the best solution would be to replace the refrig .
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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 tubemay 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 basterwill 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.
Take a bare copper wire and wrap it around a fin near the
heater and put the other end a few inches down the drain. The heat convection
may prevent it from freezing.
Try to remove rear wall of freezer to check frost pattern. An even but light patter of frost on full coil is normal. Coils full of frost with aluminum almost fully hidden generally means defrost problem. Heavier frost on the bottom coils and gradually tapering off as you go up until the top coils have no frost usually means a leak of freon or a bad compressor.
Below the evaporator fan is the evaporator coils. Remove the
back cover in the freezer to observe the frost pattern. Light frost everywhere(NORMAL)
or a partial pattern of ice(LOW ON FREON) or nothing(LOW FREON OR COMPRESSOR
if all that is ok then you need to check the heater and bi-metal / if it starts frosting up you loose air into the refrig side and the freezer will start going down too / frig side gets tem from freezer ,,,,, i bet you have a bad defrost heater / larry
normal to have frost accumlulation, on the evaporator coil, not normal to see it coming thoughthe back panel, which is indictitive of defrost prblem, you can remove the back panel inside freezer compartment and look forthe thermostat( 2 wires leading to a round thermostat clipped onto the top coil of evap, simple to replace simply cut out old and wire in new one heres the part number R0161087
Same problem here with an Amana refrigerator with the freezer on the bottom. I removed the back panels and vacuumed dust and cat hair out. The back panel in the freezer was frosted over with ice on the bottom. I removed the shelves and food and used a hairdryer to loosen the panel. The ice maker made it harder to remove the plastic panel so I pulled it back and saw the cooling fins frozen solid. I used the hairdryer to melt the ice and a shop vacuum to collect the water. It works like new again.