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.
This problem seems to be two sided. A refrigerator
defrost it is supposed to take the water from defrost down a pipe located
behind the freezer rear wall to a pan below the refrigerator where there is a
fan blowing warm air over the water to evaporate back into your home or
business. If that drain is blocked your refrigerator will accumulate a large
block of ice and frost behind the rear panel of freezer and temperatures will
warm considerably in fresh food compartment and freezer. Here is one site I want you to read over=> Leaking Refrigerators Just What may Be Happening and here=> Leaking Refrigerators here is a link to a service manual=> LFX25960xx Service Manual Let
me know if this service manual is close enough to your model number. At this point I am looking for air blockage behind the rear panel of freezer. If air is being blocked by ice and frost you can use a hair drier to help speed you up while melting ice. If drain is blocked use whatever you can to open the drain line mentions on the links I sent you to and let me know what is found, Thanks Sea Breeze
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