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Thanks for the details, I'll try that out!

Thanks mikebaum, I still have the old board, so I will definitely do what you did to fix it! Won't hurt to have a backup board. Good q's though. Do you have part numbers/descriptions for those 3...

Thanks, it ended up being the board

My issue is with a Carrier Weathermaster 8000 furnace, 58DLA. When I turn on the heat, the air blows but no heat, and after a couple of minutes it shuts off.
A couple of weeks ago the gas line was...

There are 5 burners. Between the two on the left there is an electric igniter, and between the right two there is the heat sensing element. My problem is that only the two burners on the left get...

Thanks 4 your input, I had a wood box covering the AC pipe going to the house as well as wiring, I opened it up after measuring the resistance.

Insulation gone from the 24v wires, about a 6 inch...

Could you explain how to check the 24v at the coil on contactor please? Would a contactor be something that is carried in a hardware sotre or only at HVAC suppliers.

Thanks

esquire1 , just to be clear, you suggest replacing the contactor, correct. I was thinking I should measure the resistance in the two 24v wires going to the contactor, to make sure it's infinite when...

Responses appreciated:

esquire1 - I checked all of these and they look clean and in excellent condition.
Popbear - if I unhook the low voltage from the AC, either:
1- from control board it...

I read https://www.askmehelpdesk.com/heating-air-conditioning/c-keeps-blowing-fuse-95884.html which was very informative.

My issue is with a Carrier Weathermaster 8000 furnace and York AC. The...