Carrier Weathermaker 8000 startup probs
I have worked on hundreds of them and a proper/good flame signal with a new sensor and clean buners is usually between 2-3 microamps. Will lockout around .5 so I suspect you have dirty burners or the flame is not hitting the sensor properly. CAREFULLY remove the burners and blow them out with compressed air and then flush them with hot water in the sink. Dry them and then lightly sand the face of them with fine emory paper to remove the rust or corrosion. BE VERY VERY careful when removing the one by the igniter as it is very easy to nudge it, touch it and break it.
"Cut it twice and it is still too short".
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