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Need help understanding a problem with command programming lost on a Legacy controlled layout.

In a Lionel engine with ERR installed, the programming is lost about every other time I try to run it. I have to re-set the engine ID again. Then, yesterday when trying to run a Legacy E7 A-B-A train, I had a similar problem. The B unit was the only engine to respond to command start-up and run. The A unit on the head end had to be re-programmed. This is a Legacy command system on a layout with about 1200 feet of Atlas three rail track on two levels. Any suggestions would be appreciated.

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Thank you for your responses.

Here's a little more information. The steamer with ERR command, shows a lot of sparking from rollers under the tender. There are also two rollers under the engine that don't spark, and all four rollers are connected by one of the wires running through the connector plug between the engine and tender. All this started after having reminded it what it's ID code is. The ERR boards had been returned earlier to GRJ for checkout a few weeks ago because I was having trouble programming the engine. I believe the real problem at that time was a poorly seated radio board to the command board. I checked that to see that it is still seated.

The other engine problem involves the Lionel T&P F7 ABA where the lead engine has forgotten its ID. The F7B Bass unit seems to have remembered its ID. I haven't seen sparking from rollers on these engines. I have reprogrammed the A unit but haven't yet retried them as a train. I'll do that this afternoon.

@junkman posted:

Thank you for your responses.

 

The other engine problem involves the Lionel T&P F7 ABA where the lead engine has forgotten its ID. The F7B Bass unit seems to have remembered its ID. I haven't seen sparking from rollers on these engines. I have reprogrammed the A unit but haven't yet retried them as a train. I'll do that this afternoon.

How old are the F7s?  If memory serve me correctly about a year ago Lionel had an issue with engines remembering their ID.  Folks returned them for repair.  It might be the same issue.

@MartyE posted:

How old are the F7s?  If memory serve me correctly about a year ago Lionel had an issue with engines remembering their ID.  Folks returned them for repair.  It might be the same issue.

Weren't the Texas & Pacific F's from a few years ago? (They had to be returned because the cabs were painted the incorrect color) IIRC the PA's and RS units which were forgetting their ID were from last year.

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Suite 6, Mountain Home, AR 72653
330-757-3020

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