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Model Railroading > Problems with Atlas Gold GP40-2 sound unitDate: 12/06/12 00:17 Problems with Atlas Gold GP40-2 sound unit Author: missinglink I was down at the club tonight with my Three atlas GP's. Two non sound and one with with sound. I don't know what happened but the sound unit just went crazy. I could hear it fighting the other two units like the direction had been changed. I thought it may have lost its MU to the other units. I checked and it was still linked. I unlinked to and try a solo run with it but it took off down the track. I had NO control over it. I pulled it off the track and examined the trucks and wheels and found nothing. I also removed the shell and found everything in place. The sound comes on but when you crack the throttle it shorts. Has any body else had this problem?
Date: 12/06/12 06:37 Re: Problems with Atlas Gold GP40-2 sound unit Author: cf7 Run the sound unit on DC and see if this
fixes the problem. If not do a re-set on DC and start all over again. cf7 Date: 12/07/12 16:47 Re: Problems with Atlas Gold GP40-2 sound unit Author: HB90MACH I would run the reprograming sequence that the DCC systems have. It resets all the CV's. Sounds like at some point the CV programing got scrambled.
Date: 12/07/12 19:19 Re: Problems with Atlas Gold GP40-2 sound unit Author: missinglink Thanks for the help...I tried all that was mentioned and nothing worked. I guess I'll send to back to Atlas.
Date: 12/07/12 19:21 Re: Problems with Atlas Gold GP40-2 sound unit Author: missinglink The non sound units have digitrax 163 decoders.
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