I recently picked up a nice frost free fridge a neighbour had put out to the curb, needs a new control board several hundred to replace but can be repaired for around $20.00 with 30 minutes soldering time.
Capacitors have about a 10 year life span when one fails the whole board no longer functions. Caps gone bad are easily recognized by bulge the top of the canister but this is not always the case. Check the board for hot spots and burnt areas.
For more specific information on the board your attempting to repair check out Youtube.
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