Question about Refrigerators
Installing the 16022940 control board kit.
Posted by Anonymous on
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Posted on Jan 02, 2017
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To answer your question I know of no reason the electronic type of board would cause the heater to go out unless the defrost thermostat (or sensor) and board stuck in the defrost possession and did not stop the heater. Any time you replace the board and have had a defrost problem a check of the heater will either confirm or eliminate it but the defrost sensor should be replaced if the board is being blamed for non defrost. I cant rule out 100% that a bad board will not cause a heater problem but the high 99% range is most likely. If you have a volt ohm meter and can find the heater circuit on your board and the freezer has been running down to correct temp you can check the defrost circuit by ohming it out. Lower resistance of 10 to 60 ohms is common. Anything higher will require ohming the heater out directly and the defrost thermostat will be open if the temperature is above the stats range.
Common to all self defrosting refrigerators / freezers is the need to move air around to pickup heat inside the compartment. Common to all frost free refrigeration to maintain this feature are 3 items:
1 and initiator (defrost timer or circuit board),
2 A heat source for defrost (Usually an electric heat element but can be other types of heat sources)
3 A safety limit to stop the heat source, leaving it warm enough to defrost and keep the heat contained where it will not affect the compartment advisedly. In a standard type defrost (non - electronic) it is called a thermostat. In an electronic board defrost it is called a sensor.
The defrost timer / or board will never be in the Freezer. Other than that it could be in the refrigerator section behind a plastic cover or metal cover on the back outside. It could also be under Neath the front corners or center of the front kick plate.
A timer you can turn the cam clock wise till it clicks. A board will depend on the manufacturer as to how to send into defrost for a test. A sensor on the defrost type board may be required to by-pass into defrost or test mode.
The freezer section has the only cooling coil. It sounds like it is blocked with frost and thus won’t let the air circulate from freezer to refrigerator.
There is a defrost timer, (or board), a defrost heater, and a defrost safety thermostat. Any One of these or a combination of 2 can be your problem. If you have a energy efficient model that has electronic controls then you will have a board. The procedures for checking the circuit on a board vary by manufacturer of the board used and manufacturer of the appliance.
The defrost heater always has resistance and is attached to the freezer coil.
The defrost thermostat is also attached to the heater electrically, unless it is an electronic sensor type. Sensor types have a range of resistance that needs to be known to check and varies slightly with the temperature of the sensor.
If I haven't lost you here you maybe equipped with the life experiences that will allow you to do most of these checks. If its over your understanding I recommend you contact a reliable technician..
Posted on Apr 17, 2009
SOURCE: Control board reset?
version of adaptive defrost : Press
refrigerator light switch five times in six seconds to initiate defrost cycle.
Pressing five more times within six seconds will cancel defrost and go straight
into the run mode. Similar operation on both bottom mount and SxS refrigerators.
After the defrost terminator/thermostat opens, six minutes of dwell time occurs
before the compressor and condenser fan motor will operate. After defrost
terminator/thermostat open, 10 minutes of dwell time occurs before the
evaporator fan motor will operate.
Posted on May 04, 2009
Call Maytag. They are aware of the problem. When I called them last year, they sent me a new control board for free, but they didn't provide labor. We got someone out here to install the new board thru our home warranty. We paid $65 for the labor. Not sure how much Maytag will charge.
Posted on May 18, 2009
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