Hi friends- Recently purchased a slightly used Lionel TMCC PA K-4 Pacific steam locomotive and tender. Railsounds and all lights including firebox glow work fine. Initially, it seemed the smoke unit was working - not ideally but puffing- but now nothing. At first I thought I had shut the smoke unit off, then I thought maybe I had hit AUX1 and 8 on the remote and shut it off but when I hit AUX1 and 9 I get the familiar steam blow-off sound- but no smoke. Any thoughts on diagnosis and treatment? Thanks, TB
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