I had a service call done on this refrigerator. The fan was making a loud noise and the refrigerator was not cooling properly. Also, freezer would defrost to the point where ice cream would melt. The technician came in, replaced the lower fan. Today, freezer is okay, but fridge is still not cold. I used a laser thermometer to check the temp, and it was reading between 40-45 degrees. Any other suggestions to try? Thanks for your time. I HAVE A SAMSUNG REFRIGERATOR 2 DOORS SIDE BY SIDE MODEL RS2556SH.THE FRIDGE TEMPERATURE FLASHING AT 34o F,FRIDGE NOT COOL.FAN NOT TURN. I TAKE OFF THE FAN PANEL,IT IS FREEZING AND ICY. I TRY TO DEFROST THE ICE AROUND THE FAN,IT WORK OK. 2 DAYS LATER,THE SAME PROBLEM COME AGAIN. PLEASE HELP ME TO SOLVE THIS PROBLEM. THANK YOU.
Not sure if you have one or two problems, so need to be systematic. From what you say it seems you have a defrost heater problem.
Here is how I would start:
- Get a service manual for your fridge.
- Make sure you are not running the fridge in "sales" mode
- Run a self test of the unit (as described in the manual).
- Based on results, unplug the fridge and remove cover of the electronic compartment
- Remove the connector of the heater units.
- Measure the resistance of each heater to see if they are all good.
- If this is the case re-plug the connector and plug the fridge
- Using "force mode" described in the manual turn the heaters on and measure voltage on the respective connector.... this will tell you if board and built-in relays are good.
This should give you a good start of where the problem is.
Note than when in force mode you can also force the compressor to run in different modes and measure the related voltages. If the above does not get any hint, then moce your troubleshooting that way.
Good luck!
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