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View Full Version : I have a Tappan FG6RL 100C-16B. The fire box won't stay lit for more than 5 sec.


Todd Kirby
Mar 29, 2015, 05:47 PM
I have an amber light that flashes four times. The igniter lights for about 5 seconds then the flame shuts off and never heats up the plenum. What do you think that this could be?

Model # Tappan FG6RL 100C-16B

Grady White
Mar 29, 2015, 05:54 PM
Most likely all you need to do is clean the flame sensor. It is usually a rod in a procelain base & located on the opposite end of the burner rack from the ignitor. Remove the sensor, clean the rod well with a scotch brite pad or steel wool (don't use sandpaper), reinstall, & try it. Let us know how things go.

ma0641
Mar 30, 2015, 06:40 AM
Somewhere on your heater, usually in the fan case, will be a flash code. They are not universal. For example, 4 on a Goodman is high temp safety which I doubt is yours if it is only running 5 seconds. As Grady says, clean the sensor, NOT the igniter.