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Haier CPN14XH9 Limit Switch
One big reason why limit switches are designed that way is due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts. The limit switch is a switch in the heating area that can determine when the air is warm enough to activate the main blower.
Clues main limit switch will die soon
- The heating and AC system will not start or run even though max temp has not been reached
- The Haier system is beginning to runs uneven frequently
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