Question about Refrigerators
Keep getting the DH error/ Can you tell me if the Defroster heater is controlled b the main electronic Control board that is mounted in the back or the control board mounted in the Ice maker?
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Posted on Jan 02, 2017
SOURCE: Kenmore Elite Trio 795.7519
This is the 1st (and easiest) step to take:
1. Turn power off to the refrigerator (i.e. unplug)
2. Leave OFF for at least two minutes to allow the CPU to reset
3. Turn power back on (plug in)
This solves 98% of these problems with the Kenmore Elites.
Step two would be to call service.
Posted on Apr 26, 2008
You tell us about this board or that board but never tell us where to located or get at these boards. Would you please clarify that?
My ice and water started dispensing sporadically, though the lights were working fine. After I removed the kick board at the bottom, cleaned out the little connector and put it back together, nothing on the door works. All else works fine.
Posted on Sep 08, 2008
need model number even though it says kenmore we need to know the model will tell us the maufacturer but start by checking voltage at the outlet to see if you have proper ground
Posted on Oct 17, 2008
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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
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