- Tech found 6 flash (open pressure switch) fault code upon arrival and reset for testing. Cleaned pressure switch inlet and flushed tubing. - Cleaned burners and adjusted low stage natural gas pressure from 1.95” WC to 1.75” WC. - Observed draft inducer overheating when energized for second stage and shutting down, opening the pressure switch and short cycling. Ignition control board is intermittently allocating 240 volts to inducer and should also be replaced. Customer approved warranty price to replace the draft inducer assembly and the ignition control board. - Customer is interested in upgrading service agreement to the premium plan when renewal is due. - Removed W2 from the circuit to only allow W1 operation to preserve the draft inducer until replaced. System operating normally in first stage at this time.