My mr heater big Maxx has two flashes on the led light and says that system is lockout failed to detect or sustain flame, pressure switch Is good,cleaned flame sensors and installed new control
My mr heater big Maxx has two flashes on the led light and says that system is lockout, failed to detect or sustain flame, pressure switch Is good,cleaned flame sensors and installed new control board and still gives the two flashes on the led light. Flue line is clean also, What else should I do?
Heating & Cooling - Mr. Heater - Natural Gas Garage Heater - 45,000 BTU