For sure, the thermocouple difficult to source (which I believe is that the OP was asking). ?It was out-of-stock, NLA, the last time I tried to find one. ?Good news is the other commenter who noted the issue is usually the re-lighter board, is spot on - that's what kept my Green Light on after ignition.
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You a clean up the thermocouple with some fine emery paper - just don't be too aggressive.?
