Sorry to say that the most likely cause of this problem is a bad compressor. Many Amana's have the same problem. In dealing with these units I find that will run for a while then have trouble starting up. In your case you are using a ground fault circuit and the extra current draw is causing the house breaker to trip, although most manufactures suggest that you don't use that type of circuit. The only real way to correct the problem is to replace the compressor, or get another refrigerator. The compressor replacement should be done by a qualified technician.
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Sorry to say that the most likely cause of this problem is a bad compressor. Many Amana's have the same problem. In dealing with these units I find that will run for a while then have trouble starting up. In your case you are using a ground fault circuit and the extra current draw is causing the house breaker to trip, although most manufactures suggest that you don't use that type of circuit. The only real way to correct the problem is to replace the compressor, or get another refrigerator. The compressor replacement should be done by a qualified technician.