Question about Samsung Refrigerators
Bad temp sensor
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Posted on Jan 02, 2017
Unplug the unit for 15 minutes then plug it back in. This should reset all your computer system and make everything work again
Posted on May 28, 2009
if there is frost build up on rear wall of freezer section the unit is not going through defrost cycle which builds up frost on evaporator and restricts cold air flow to the fresh food section. one of three things are bad. defrost heater, defrost thermostat or defrost timer. if no frost on rear wall you might be low of freon.
Posted on Jun 24, 2009
On my unit, I had the same problem (child lock LED on, or flashing.The cancel process of pushing anything was not possible, as a bad/stuck switch prevented any input from the control panel buttons.
The underlying cause of the problem turned out to be a faulty switch associated with the "Light China" button. I determined this by removing the control panel from the door and using a digital multimeter with OHMS and DIODE settings, was able to check each individual push-button switch using the following table to check the 12 switches (applies to the KUDC25CHSS1 model).
There are 2 ribbon cables, it is the larger of the two cables you need to check. Pin 1 is noted on the ribbon. You can use 2 normal sized paper clips to insert into the ribbon cable and make your connections. (My Ohm meter has aligator clips on its leads which helps a lot...maybe another set of hands would help if you don't have these kind of leads).
-Using OHMS: the reading should be infinite (open circuit, so no reading/no connection inside the switch) when not pushing the button, otherwise you will receive a reading when you push the switch.
-Using DIODE/beep: Ensure polarity is followed in the table below. When connected, pushing the associated button will cause a beep to occur, otherwise there will be no beep and no reading.
+Positive Lead -Negative lead
Antibacterial Sw 13 3
Rinse Only Sw 13 2
Light China Sw 11 2
Normal Switch 13 4
Delay Switch 11 4
Energy Save Dry 13 5
Cancel 12 5
Start 11 5
Soak & Scrub 12 6
Super Scrub 11 6
Short Wash 12 4
Sani Rinse 11 3
All my switches checked out OK, except for the "Light China" switch. On the OHMS settings I was never able to measure an open circuit for that switch, which means the switch was always closed. or connected.
I noticed that "Light China" was pin 2 and "Rinse only" also used pin 2, which happen to be cycles I never use. With power turned off, I carefully removed some of the plastic surround of the matching connector on the Control Board right next to it's associated Pin 2 all the way to the bottom. Then I carefully bent over pin 2 as close to the connector base as possible. Making sure all the remaining pins were straight, I plugged on the control panel ribbon cables and all is well again.
Prior to trying this I was resolved that I needed to buy a new dishwasher because I wasn't going to pay over $350 for a new control panel. Instead, I eliminated 2 unused cycles at no cost, and maybe I can get some more use out of this dishwasher.
Posted on Aug 02, 2010
Just happened to me with a power flash- fixed it by pressing and holding the Freezer and Frig buttons together until the screen flashed and reset. Wheww! Though it was a gonner! Fine now:) Hope it works for you!
Posted on Nov 25, 2010
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