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Your furnace has a little wire built into the pilot that is heated by the flame to tell the gas valve it is safe to stay on.This little probe will build up with carbon preventing it from sensing flame so valve shuts down,Have you tried cleaning it?
id that make any difference?
I am going to open this to my colleagues to see if they have ideas.
One moment please
That unit has a pilot assembly that sometimes get corroded and will not let the furnace stay on. Take the end of a screw driver and tap the assembly lightly. This will clear any corrosion from assembly. Retry and let me know. Russ
3 wires or 4 wire igniter. Russ
Green,yellow wires connected to assembly. Does it try to ignite. Not going anywhere be here till 10 CDT. Will reply quickly. Russ
Unplug the wires off the igniter. The black box that the round wore plugs into and see it the fuse blows. If you can attach photo of assembly. Russ
That is ok . Now plug wire back in igniter and retry. Do no plug in the three wire.
Did the igniter spark. Russ
You will have to have thermostat on heat. You should here a popping.
Plug your assembly back in and retry.
All the wires match on the new assembly correct. Russ
Unplug assembly. If you have a voltmeter check the continuity on each wire to ground.
Going to pilot. I will be here about another hour. Russ
Should not be any to ground.. Need to get somebody on spot with instruments to check controls. Upsets me when I am not there. Russ
THats Ok I will find out more at Carrier Dealer,
Getting info today on furnace. Russ