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Joseph
Joseph, HVAC Technician
Category: HVAC
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Experience:  38 years diversified HVAC/R experience,Presenty an HVAC/R Contractor
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What do I do for a open rollout switch on lennox G40DF(X)

Resolved Question:

What do I do for a open rollout switch on lennox G40DF(X)?
Submitted: 4 years ago.
Category: HVAC
Expert:  Joseph replied 4 years ago.
manually reset it, should be on an end ,possibly by the wires hook up at the body of the roll out switch.you can also move the sensor a little further away from the flame if you have nuisance trip outs
Customer: replied 4 years ago.
Where is the rollout switch located on my furnace Lennox G40DF (X)?
Expert:  Joseph replied 4 years ago.
Roll out switches are normally by the main burners, it should have a sensor wire that runs length wise ,in case the main burner flames back out of the chamber the roll out will sense the flame and open
Customer: replied 4 years ago.
I cannot find it. What does it look like? I am struggling here. Sorry.
Expert:  Joseph replied 4 years ago.
Main burner assembly, it would nave to sense the burner flame look at the wiring diagram to verify that is exactly what it's called. How do you know it's a roll out switch might be called something else and i'm concentrating on the wrong control.

Edited by Joseph on 1/20/2010 at 2:33 AM EST
Customer: replied 4 years ago.
Diagnostic test said rollout switch open. I have diagram, but having hard time interpreting it.
Expert:  Joseph replied 4 years ago.
diagram may have the color of the roll out switch wires, you can use that as a guide,Should be two wires somewhere near your main burner
Expert:  Joseph replied 4 years ago.



here a link for what it looks like: http://www.askmehelpdesk.com/heating-air-conditioning/pilot-light-our-lennox-g40uh-x-series-furnace-wont-light-422228.html
Joseph, HVAC Technician
Category: HVAC
Satisfied Customers: 97
Experience: 38 years diversified HVAC/R experience,Presenty an HVAC/R Contractor
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