I have a Carrier Weathermaker 8000VS that sometimes did not start the blower so it don't start at all. Then after the blower starts the flame doesn't stay on for more than few seconds. The after 4-5 attempts the heater works normal. Would please someone help me here out? Thanks.

Mattt

check all wiring for good conections,,,loosen and retighten the grounds,,,clean the flame senser,,,with some fine steal wool,just kinda polish it up a little,,,also check the ground of the flame senser,,,