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Hi all,
I’ve seen a great number of posts with regard to the problem with Samsung side by side fridge/freezers, in that a problem with the defrost sensor/thermal fuse/defrost heating element causes the fridge/freezer to warm up after several hours – the cure being to turn the unit off then on again.
Well I’ve got the same issue with my SR-S2028CVW. A service engineer came round and suggeted, consistently with this forum, that the problem in the first instance was probably the fuse. He’s looking at the refridgerator side.
Anyhow, he came back whilst I was out (my wife was in) and seemed to have changed the plastic panel behind the salad crisper, but as far as I can see (from the invoice) he hasn’t changed any fuse/sensor.
I’m going to call him back, but in the meanwhile I’d like to have a go myself, as he’s not going to be available for a while.
Can somebody please help me out with the location of the thermal fuse/defrost sensor/heater element? Is it behind the plastic panel attached to which is a fan? I’ve found the cooling matrix behind the panel. Is it attached to this? What colour are the wires going to/coming from the fuse/sensor/heater?
I’ll be indebted to anyone who can help. Thanks a million!
RichardBone emailed me the following reply….
Before you start, disconect the unit from the mains supply, the heaters and thermal fuse work at 240V mains supply. I accept no responsibilty or liability for any actions you carry out in relation to the information supplied below.
Both the fridge and freezer compartments contain evaporator coils, and defrost heaters. Because there is a defrost heater in both compartments, there is also a thermal fuse in each compartment.
You need to remove all of the shelves, and then remove the back panel. The top halp comes out first, and the the bottom half (behind the drawers) afterwards. You will need to unplug the lamp and fan connections to be able to remove the back panels.
With those panels out of the way, you will now be able to see the coil, and heater. The heater is actually built into the evaporator coil, so unless you have seen these before it is not immediately obvious. There is also a metal drain tray under the coil, and this has a heater element glued to its underside.
There is at the top right of the coil a collection of plugs. From memory, one was the sensor, one was the heater, and the other was the thermal fuse. They should be pretty apparent when you get in there. (The sensor is clipped to the fridge pipe where it enters the cabinet, top left corner of the coil on mine)
The thermal fuse should be located in amongst the header of the coil and on mine was wrapped in a piece of insulating foam. Check if this is open circuit, if it is, then therein lies your problem. If it is not open circuit, then maybe the heater element is faulty, or maybe the temperature sensor. On mine it was the thermal fuse.
Good luck.
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