Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Dunkirk quantum 90 not staying lit

Options
wilson95
wilson95 Member Posts: 5
I have a dunkirk quantum 90 it runs through the cycle fine then when it get to light only lights for one second then shuts off and starts the cycle over I installed a new Igniter and air flow switch I and get it to stay lit only if I put a jumper wire on the air flow switch 

Comments

  • HVACNUT
    HVACNUT Member Posts: 5,841
    Options
    Check for obstruction in the exhaust and intake. 
    Check for condensate blockage. 
    Could be a plugged HX. Then you'll need a pro. 
    Ironman