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AppTech8579
AppTech8579, Home Appliance Technician
Category: Appliance
Satisfied Customers: 1697
Experience:  worked on appliances for around 15 years
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My samsung refrigerator runs for 2-4 hours then stops. The

Customer Question

my samsung refrigerator runs for 2-4 hours then stops. The only way to get it running agian is to unplug it and plug it back in.
JA: Can you guesstimate how old your Samsung is? And just to clarify, what's the exact model?
Customer: roughly 11 years old. model is RB1955sh
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: I've already replaced the main control board but same result
Submitted: 8 months ago.
Category: Appliance
Expert:  AppTech8579 replied 8 months ago.

Clean the condenser coil, a clogged condenser coil will cause to much heat load on the condenser and compressor and it will run non-stop.

The factory recommends that you clean your condenser coil underneath your refrigerator every 6-12 months, if you have pets that shed hair, then every 3-6 months.

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Customer: replied 8 months ago.
condenser coil is very clean, I don't think that's the problem.
Expert:  AppTech8579 replied 8 months ago.

When it runs for 2-4 hours is the compressor very hot?

Customer: replied 8 months ago.
No the compressor is warm but not hot. Fan runs fine too.
Customer: replied 8 months ago.
At the end of the day when it's been not running for 8 hours the temperature settings on the outside still show -8 and 34. After you unplug and plug it back in they show the current temperature which is usually something like 24 and 48 by then. But then it cools all the way down to where it should be and stops.
Expert:  AppTech8579 replied 8 months ago.

Unfortunately this means the main control will need to be replaced.

Expert:  AppTech8579 replied 8 months ago.

Manufacturer #DA41-00128D

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Customer: replied 8 months ago.
I've already replaced the main control board with the same result.
Expert:  AppTech8579 replied 8 months ago.

Then that means the User Interface is faulty which is not available for that unit.

Expert:  AppTech8579 replied 8 months ago.

The part number for that in case you could find a used one is DA41-00225A

Expert:  AppTech8579 replied 8 months ago.

As of now this part is discontinued and no substitute part has been assigned.