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Rick
Rick, General Contractor
Category: Home Improvement
Satisfied Customers: 20757
Experience:  Licensed construction supervisor with 35+ yrs. experience.
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Why does my furnace trip on temp after a few minutes? yes,

Customer Question

why does my furnace trip on hi temp after a few minutes?
JA: Did you check the furnace's filters?
Customer: yes
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: it is a carrier high efficient furnace
Submitted: 9 days ago.
Category: Home Improvement
Customer: replied 9 days ago.
flame does not seem to be pulled through combustion chamber properly
Expert:  Rick replied 9 days ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. First I’ll need some more info so I have a more complete picture of you situation.

What's tripping the main limit or the rollout sensors that are just outside the burner chamber (see attached pic for typical)

Customer: replied 9 days ago.
rollout senser
Expert:  Rick replied 9 days ago.

Ok, if the rollouts are tripping then the heat exchanger is at least partially clogged and it needs to be cleaned by a pro.

Expert:  Rick replied 9 days ago.

Do you have more questions?

Customer: replied 8 days ago.
could it be a cracked combustion chamber?
Expert:  Rick replied 8 days ago.

If the burner flames distort after the main blower comes on that would be an indication of a cracked heat exchanger

Expert:  Rick replied 6 days ago.

Do you have more questions?

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