Quote:
Originally Posted by NorthernFarmer
Thanks for all the help. This is my first time with frost fighters. I should have known that the fan shouldnt run until the plenuim reaches temp. Just like my old oil burnign furnace in the house..its practicly the same. The one machine works ..turned on.. lit... burned.. shut off and fan turned on.. Little embarassed there on that one. The second unit still wont light. And now I know the fan shouldnt be running right off the bat. Would that be causeing it not to light?
|
If the burner runs for awhile, then shuts off, then the fan comes on later, it's because the plenum got too hot and the high limit switch kicked it off. It got too hot because the main fan didn't start soon enough to cool it down. Again, it points to a faulty fan switch.