AC6000 Couplers Won't Open

SteimsOGR Forum Member SUPPORTING MEMBER

I have a Lionel 6-28298 CSX AC6000 that the couplers do not open up. When I fire the couplers with my Cab-2 remote I can hear the clank/chuff noise so I know the R4LC board is getting the signal. I can sometimes hear a very faint buzz from the electrocoupler. I measured the voltage at the coupler connection on the motherboard and I'm only seeing a brief 2.5 VAC. I compared that to another one of my slightly newer AC6000s and it fires a hefty 5 VAC at the coupler. What component would cause the voltage to be that low? The loco has a separate AC Regulator but I assumed that was to power the smoke unit only.

9/16/197:51 PM

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