Reply to "Smoke unit thermistor - what ohm rating?"

@gunrunnerjohn posted:

Hard to say what is really going on there, I'm betting the thermistor isn't it.

John, as my father used to say, "When you're right, you're right."

I installed the new smoke unit board. The thermistor on the old board measured 62K ohm; the thermistor on the new board measures 51K ohm.

However, the smoke unit still keeps shutting down. It runs 1-2 minutes, often less, before the cab flashes the dreaded two blinks. This is maybe a tad longer than before--but it sure ain't the solution.

I even tried putting in new batting and using different smoke fluid.

What other variables are there that could affect the smoke unit shutting down? It can't be that complicated, can it? I'm flummoxed!