Freezer and refrigerator warm up once a week for 2 or 3 days.

Appliance Repair Troubleshooting QuestionsCategory: RefrigeratorsFreezer and refrigerator warm up once a week for 2 or 3 days.
Anonymous asked 6 years ago
2 or 3 days freezer and fidge warm up then cools fine again. Due to it being on a schedule I’m thinking the defrost timer is the problem. Am I on the right track? The reason I’m asking is I have seen similar problems on the Internet but a few of them were fixed with a thermasistor. Can you help?