Question about GE Monogram® ZISS420DMSS Side by Side Refrigerator

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The fridge temperature keep going up and down

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 3740 Answers

SOURCE: my fridge keeps beeping even though the door is

Is the beeping a door or temp alarm? You can press power cool and power freeze buttons at the same time and you should get a single LED indication and then after 30 seconds the
display should return to normal. NOTE the position of that single LED should you see it.
1) Self-Diagnostics in the initial Power ON
1-1)The control board performs a self diagnostics test within 1 second and check out the temperature sensors abilities.
1-2) If a sensor failure occurs, a corresponding LED segment will blink with a beep.
1-3) When a LED segment blinks, only the cancellation function (Press Power Freeze and Power Cool buttons
simultaneously for 8 seconds) is acceptable.
1-4) After a replacement of bad sensor or a cancellation of this function, this self diagnostics will end.
2) Self-Diagnostics in the normal operation
2-1) To select this function, press Power Freeze and Power Cool buttons simultaneously for 8 seconds with an audible tone.
2-2) In the self diagnostic mode, only corresponding LED segments will be illuminated (see the check list on the next page) <NOT in this post Interpreting LED position = these errors below. You will need to pass on / reply with exact position of the LED that you see
5 ICE MAKER function error
6 CoolSelect ZoneTM SENSOR
2-3) After a 30 second illumination of error signal, the system will return to the normal operation.
I suspect a thermistor problem.
The unit will self diagnose if you unplug it for 15 to 20 minutes and then plug it back in. ANY errors will be displayed by a single LED (digit) indication during the first 14 seconds after you plug in the unit.

You must wait that 15 - 20 minutes of unplugged time to prevent the compressor overload from tripping due to high coolant pressures. System must stabilize first to prevent damage to your unit.

Thanks for choosing FixYa,

Posted on Nov 08, 2010

  • 10515 Answers

SOURCE: The temperature keeps going up


OK so this usually indicates a defrost problem. Pull everything out of the freezer and remove the back panel inside the freezer. If there is a lot of frost build up, use a hair dryer and thaw all the frost out. On the top of the silver coils where the frost is, there is a 1" round device called a defrost thermostat that tends to fail often. This would be the part I'd replace so that the frost doesn't come back.

Other than this, the other two major probabilities are compressor/relay or freon.GE refriegrators are prone for their bad motherboard issue, however all of these needs proper diagnostic tests.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Mar 03, 2011

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1 Answer

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First some fridge 101, the refrigerator/freezer models cool by directly refrigerating the freezer section and the refrigerator section is cooled when "some" of the cold air from the freezer is directed over to the refrigerator side (typically by a fan) to keep food fresh and not frozen a temperature controlling damper opens and closes to regulate the temperature of the fridge by introducing more or below freezing air into the cabinet. In older models where the freezer was on top the air simply "gravity" drained into the refrigerator cabinet, if the food was too cold you turned the fridge knob up and less air sank from the freezer to the fridge, simple but effective.

When you adjust the temperature level it controls the freezer temperature and this turns the compressor on and off to keep the food frozen. There is typically a knob or lever and some even have electric dampers that open and close to direct more or less air from the freezer and direct it to the refrigerator cabinet based on your temperature requirements.

Now that you know how it works there are a couple things to check. If the condenser coil is plugged with dust the internal system pressure will rise and in some cases make the fridge an over achiever and can chill too much so check/clean the condenser coil. Check the freezer temperature control and turn in up, also make sure the fridge temperature control setting is not set too cold.

Finally as the temperature changes around the refrigerator it will have an effect on the inside of the fridge too so expect to turn it up and down as the environment changes, down in the summer and up in the winter.

Hope the novel helps to resolve your issues.

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