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

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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.

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Posted on Nov 08, 2010

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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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