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Haier CPRB07XC7-W Limit Switch
The limit switch has a sensor in the air handler that can determine when the heated air is warmed to a point so that it may be pushed through the ducts and out the vents. Limit switches were created because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts.
Signs limit switch will eventually need to be replaced
- System refuses to start or run longer than a minute
- The HVAC system is beginning to go through the startup sequence but stops quickly repeatedly
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