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Lost all Power except Green light on ZW Transformer

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Posted by cwburfle on Tuesday, April 27, 2004 6:30 PM
So, what did you find?
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Posted by lionelsoni on Monday, April 26, 2004 9:02 AM
I agree. You could suffer serious lip damage if you buss a transformer while it is plugged in. ;-)

Bob Nelson

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Posted by spankybird on Sunday, April 25, 2004 8:09 AM
HI Rich

Good luck with the ZW. I think you have some good subjection already to check. One other would mean removing the cover. PLEASE make sure it is UNPLUGED FIRST . Check if the wire to the common buss is disconnected.

Welcome to the form. Visit us often.


tom

I am a person with a very active inner child. This is why my wife loves me so. Willoughby, Ohio - the home of the CP & E RR. OTTS Founder www.spankybird.shutterfly.com 

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Posted by cwburfle on Sunday, April 25, 2004 5:49 AM
If the circuit breaker was open on a postwar ZW, the green light should not be on. Another possibility is a beak between the ground bus bar and the terminals. ZW's are often found with one or more of the terminals broken away inside. They typically look fine from the outside. You can try using a different ground terminal. I have yet to see a transformer with all four broken off. Someone makes bolt-on replacement terminals. They work well on ZW transformers.
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Posted by eZAK on Saturday, April 24, 2004 11:23 PM
ricorich,

fleet621 is probaly correct. It could be a breaker.

If the light comes back on when you restore power you will need to check things with a volt meter.

If it happens again you will need to add up your wattage (motors, lights, etc.) to dertermine your draw.

pat zak
Relax, Don't Worry, Have a Home Brew!</font id="size2"> Pat Zak</font id="size3">
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Posted by Anonymous on Saturday, April 24, 2004 10:55 PM
Sounds like the the circut breaker in the ZW popped did you try shuting down the ZW for a few minutes and starting back up to see if the circut breaker reset?[%-)]
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Lost all Power except Green light on ZW Transformer
Posted by Anonymous on Saturday, April 24, 2004 10:35 PM
Small 12 foot by 12 foot O gauge layout. Operating three individual trains interconnected with plastic pins in center rail. Fourth control for power on upgrade. Also have KW for variable voltage for twenty 022 switches. Still building and wiring layout. Had three trains running and switches powered to about 15 volts. Suddenly everything except the green power light on the ZW went out. Too frustrated right now to troubleshoot. Any help or ideas will be appreciated. Please E-mail reply as well as here if you like.
Thanks

Rich

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