Originally Posted by HANK WHITE HEY, GUYS: I bought a Takagi TK3 about 2 years ago and the igniter goes out. I'm a retired car mechanic/fabricator/machinist, etc. So, what is the programming in the processor for operating the igniter? What are the timer limits, and what keeps the fire lit? How does the flame rod and fuel mixture rod work? Where does the ignitor rod fire the spark to? My trouble codes are: 111 no fire 121 fire went out. My unit is outside mounted in ...