Question about Maytag Freezers
This freezer is just over a year old. We have been having intermittent trouble with it (unexplained sudden defrost) since new (March 2013. Now the freezer runs continuously, I have no idea for how long this was actually happening but probably months. I removed the back panel and noticed that the evaporator was totally iced up. If I rotate the thermostat dial by hand the freezer turns off and will then start up again as expected but then continue to run continuously. The fan is operating perfectly. I know that running continuously can be caused by the thermostat, fan, defrost timer or heater assembly. Given the above symptoms, which of these areas is likely to be at fault?
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Posted on Jan 02, 2017
If this is a Bev-Air, don't think the door switch will control the fan. At the evap, there is a temp sensor called a fan delay. When unit goes into defrost mode, this warms up. Some also serve a dual purpose. It will terminate the defrost cycle at a certain temp., say 51 degrees or so, at the evap. Anyway, when unit comes out of defrost, it keeps the fan off so it allows the evap to cool quicker and to prevent circulating warm air. This could be your problem. Not a hard fix but they can be a pain sometimes. Outside chance that the unit is low on refrigerant (freon). This will not let the evap get cold enough to trip the sensor back into position to turn the fan on. Good Luck. Restaurant Parts and More carry alot of Bev-Air stuff. 1-888-814-1110. Ask for Rick
Posted on Feb 09, 2009
SOURCE: evaporator motors won't run
Normally, freezers have electric heaters that are energized during the defrost cycle. Once out of the defrost cycle, the refrigeration system comes on but the fans do not. This allows the evap to cool off and to prevent circulating warm air from the heaters. This is controlled by a fan delay switch. It is a small, round device that can have 2, 3, or 4 wires going to it, depending on the manufacturer. It is usually clipped on to the end of the evap coil on one of the "U" bends, near the top, inside one of the ends of the evap. Usually where all the electrial components are located. It come in several variations, but it's main function is to prevent the fans from energizing too early. Usually does not bring fans on till evap hits 20 or so degrees. Check this out and get back to me.
Posted on Aug 16, 2009
SOURCE: Freezer runs continuously
not necessarily. If it's the t'stat, the unit would continue to drop in temp. If temp does not drop, it may be a dirty condenser coil or other issues. Don't just swap parts, check things out. use thermometer and check temp several times over a long period of time. If t'stat is bad, temp will drop continually as unit will not shut off.
Hope this helps.
Posted on May 30, 2010
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