Carrier package unit, draft motor, and heat exchanger.

Diagnosing the draft motor, and rusted heat exchanger. Revisiting ductwork.
Repair is here
• Carrier gas pack heat ...

[@salopardoj]

I had the same excatly code.6 flashes , pressure switch so I cleaned the tube and Unclogged the lil pipe which it was clogged severely with soot, 30 min later IT FLASHED AGAIN LOCKED UP .. GREAT VIDEO ON INSPECTING LOOKING THOROUGHLY THE SYSTEM AND FOUND THE ISSUE ON HEAT EXCHANGER.. GREAT JOB BROTHA

[@HVACGUY]

thanks

[@yuzhuosun7841]

I have similar unit in my home. Do you know where is the filter?

[@stefenbays5790]

Is that heat exchanger aluminum or stainless steel?