Have you tried hooking it up and running trains? Some transformers use a
light to indicate how much voltage is being used, so they don't turn on
until it's time to run trains.
Ok, failing that, I'd look for either a fuse or circuit breaker reset
button. They'll be accessible if they're meant to be used. (Sometimes
reset buttons are recessed, they're meant to be used, but not often.)
Check the fuse or press the reset button and see if that clears things
The next things to try would be testing the power supply in isolation
(unhook it from the layout) and see if the light comes on. You may have
a short somewhere (remember in 3-rail O, the power goes to the middle and
outside rails, not the two outside rails.) If it works, then try
connecting a power lead to the locomotive wheel and the other to the
wiper in the middle of the locomotive. Give it power and the wheels
should start turning.
FYI: I'm not familiar with Lionel transformers, just power supplies and
the troubleshooting process in general.
If you're quiet, your teeth never touch your ankles.
To email me directly, send a message to puckdropper (at) fastmail.fm
Unlike older Lionel transformers that use a variable tap on the secondary
winding to get the adjustable low voltage AC to run the trains, the CW-80
uses a solid state device, and it apparently runs near its limits since it
requires the cooling fan. I was given a fried one by the local hobby shop,
and junked it rather than attempting a repair. But don't throw it away.
Salvage the power transformer - it's a quality component that's just perfect
for a switch machine and/or structure lighting power supply. Geezer
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