I noticed ice building up in the back of the freezer at the same time items in the freezer began failing to freeze solid and the fridge stopped getting cold enough. I took off the back panel in the freezer and used heat lamps to remove all of the ice. It has been about 1 week and the freezer has since worked fine. Set on ''2'' it keeps everything frozen solid. I look through the vents in the freezer every day and have thus far noticed no ice reaccumulating on the coils, but the fridge continues to get only moderatly cool. The fridge setting doesn't seem to do anything. The compressor fails to react when turning the fridge thermostat up or down. I am wondering if there is a thermostat controlled vent between the fridge and freezer that should be actuated by the thermostat in the fridge that has failed? Is full of ice maybe? Also why it iced up in the first place. How to fix the fridge/freezer?
Either your defrost timer, defrost heater or defrost thermostat has failed.
All parts are located behind the lower back panel inside the freezer.
Most likely are the defrost heater and defrost thermostat.
If the unit is running continuously and not maintaining the temperature cold enough the system may have a leak. If it is NOT running continuously the problem could be in the temperature control.
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ne of the most common reasons for the freezer to start failing is called "frost free failure." Ice can build up on the evaporator coils over time, and this ice builds up until it starts blocking the fan. The fan is responsible for circulating cold air throughout the freezer, so if it is blocked the freezer will not be able to freeze any food. You can usually check this by removing an access panel in the back of the freezer to inspect the coils. If ice is built up on the coils, a hairdryer can assist in defrosting them
Sounds like a defrost problem. Check to see if
there is any frost buildup in the back wall of the freezer. If so, it is not
defrosting as it should.
possible causes:
bad defrost timer/control board
bad defrost heater (in freezer)
bad thermo switch in freezer
If you don’t know what these are then unplug the machine and let the ice
melt in the freezer overnight with the door open. Then try it the next day, if
is cooling fine then you need to have a service person replace one of the above
items.
if you already checked this and think
it is a different problem then let me know, i will help you figure it out.
Mike
these are the usual suspects.
heater in the back wall of the freezer:
thermal switch also in the back wall of the freezer
noise sound like compressor mount are loose or rubber garment fell off that stops vibration or pump is bad internally call warranty get replaced if not a mounting problem of compressor
Fan problem is one of the most common reasons for the freezer to start
failing, this is called "frost free failure." Ice can build up on the
evaporator coils over time, and this ice builds up until it starts
blocking the fan. The fan is responsible for circulating cold air
throughout the freezer, so if it is blocked the freezer will not be able
to freeze any food. You can usually check this by removing an access
panel in the back of the freezer to inspect the coils. If ice is built
up on the coils, a hairdryer can assist in defrosting them.
It's also possible that the fan is not running at all. If the fan is
burned out or the motor isn't running, cold air can't circulate through
the freezer and everything will melt. You can normally hear the fan
motor switch on and off from time to time. Listen for it and if you
can't hear it coming on for an extended period of time, the motor may
need repair or replacement. The wires connecting to the fan may be the
problem, preventing the fan from receiving electricity.
Several other problems could be keeping your freezer from freezing:
There could be leaks in one or several of the hoses in the refrigerator,
which results in the cold air being lost instead of circulating
properly throughout the fridge and freezer.
If you have the freezer so full that the cold air can't circulate, your
food will thaw even though the freezer isn't malfunctioning. Always
leave some space open in the freezer and try to not store food right up
against the cooling vents.
The thermostat might have shorted out, which means the freezer can't
accurately determine how cold it is. If this is the case, the
refrigerator would probably not be working, either.
If your defrost drain becomes clogged, the water in the line will just
refreeze over and over again, which could damage the lines as well as
the fan. Always check the drain and make sure no sludge is building up
in it if you have a self-defrosting refrigerator.
Always try to keep the freezer door closed for long periods of time. The
more the door is opened, the more warm air is let in and cold air is
released. If the door is opened frequently, the freezer could be warming
faster than the fridge can cool it, which will thaw your food.
Low refrigerant assuming the compressor is always running and not being shut down by the thermostat.
You can hook up an ammeter to the unit to see if the current consumption is below spec, another sign of low gas situation since the motor is not working as hard as under normal conditions.
If this is a self defrosting model make sure that you don't have frost build up on the back wall of the freezer causing the air not to circulate like it should. If you do have frost build up other items will eventually start thawing as well. If this is the case you have a defrost problem.
If this is not a self defrosting model then make sure it does not need defrosting.
You normally will notice ice cream being soft before you notice other things thawing.
Also make sure the door is shutting good and you may try putting the ice cream in a different location.
Sounds like you may have a couple of problems here. The frost build up could be from a bad door seal. Moist air can be drawn in and collect on the inside. As for the water temp, it sounds like the water line connected to the refrigerator could be tapped off a hot water line. It needs to be connected to a potible cold water line.
If the unit is running continuously and not maintaining the temperature cold enough the system may have a leak. If it is NOT running continuously the problem could be in the temperature control.
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