Goodman furnace won't come on light blinks 6 times and the blower motor run continueous.

Look for a label with codes/instructions on the inside of the blower panel.

It's a Flame Rollout fault,
1 check for blockages to your Return 2 check the flue for blockages or debris
3 Check pressure switch
4 Check burner alignment

It's a Flame Rollout fault.Really? Eek! Check the heat exchanger while you're at it. Look for broken-off press-crimp rivets. I'll keep my fingers crossed...