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Brand new furnace get an immediate 33 code have continuity…

Customer Question
Brand new furnace...

Brand new furnace get an immediate 33 code have continuity through roll-out circuit and high- limit pressure switch seems functional

Contractor's Assistant: Did you check the furnace's filters?

Yes

Contractor's Assistant: Do you plan on doing the work yourself?

Yes

Contractor's Assistant: Anything else we should know to help you best?

Tried to start furnace without exhaust pipe connected no difference

Submitted: 7 months ago.Category: HVAC
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Answered in 14 minutes by:
12/27/2017
HVAC Technician: Gaztech, HVAC Technician replied 7 months ago
Gaztech
Gaztech, HVAC Technician
Category: HVAC
Satisfied Customers: 937
Experience: Owner at Gaztech
Verified

Hi I amCustomer a independent technician, I will assist you with your issue.

Don't forget to rate the 5 star rating AT THE TOP OF PAGE if we are done. this will credit me for assisting you.

Whats model number?

Are you ready

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Customer reply replied 7 months ago
R92pa1001521msa
HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

Thanks

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Customer reply replied 7 months ago
Did you get my model#
HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

Yes

Make is Rheem?

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Customer reply replied 7 months ago
Rudd. Same thing
HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

OK...

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HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

Did you OHM test every limit switch?

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HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

Take one wire off each component when checking them.

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Customer reply replied 7 months ago
I ohmed every and the circuit I have continuity
HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

There should be 3 roll out switchs and one main limit switch

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Customer reply replied 7 months ago
2 roll out 1 high limit for
HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

Wiring diagram shows 3 roll out, check on the side of burner box

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HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

It might be a faulty wire that connects all limit switchs,

Check wiring diagram bottom right of page 96

https://www.hvac.com/media/manuals/installation/RHEEMR92P.pdf

Bypass R/W and R/BK to see if that will work

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HVAC Technician: Gaztech, HVAC Technician replied 7 months ago

I noticed question is still opened and unrated please dont forget the 5 star rating if we are done

Sincerely

Customer/p>
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