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Samsung AVMKC020EA0 Limit Switch
The limit switch is a switch in the heat exchanger that can determine when the air is warmed to a point to activate the main blower. The reason limit switches exist is because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Chief elements to watch for in a failing limit type switch
- Your Samsung system will not initiate nor will it stay running longer that five minutes
- The whole system begins to go through the startup sequence but stops quickly repeatedly
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