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I'm trying to install the ERR Cruise Commander M in a K-Line A5 Switcher with TMCC. As you can imagine, this is a tight fit. My first attempt at installation went pretty well, the engine ran smoothly in forward, but would not reverse and indicated a short. I returned the board to ERR as defective and they sent me a new replacement board. I've installed this new board with no success. When I turn on power to the track, the engine takes off like a bat-out-of-hell. I've tried re-installing it with the same results. Does anyone have any suggestions before I send it out for repair? Thanks.

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First off, you MUST program the board with the correct type code or it can take off on you.  Also, as Pete says, if the serial connection isn't properly done, the CCM doesn't get the word and will probably also take off at full speed.

 

I installed the CCM into that K-Line A5, I just did a little alteration of how it mounted so that it would fit, it is a very tight fit.

 

The engine is not seeing the TMCC handshake. It thinks it's in conventional

mode. Assuming the TMCC is working correctly I would say you may have a bad

TMCC board. I think it's called the radio board. Should not be hard to change.

 

Hopefully one of the experts will chime in and be more specific on exactly

what the board is called. I know Gunrunner John has this engine with cruse.

He would know...

 

 

I don't think this is the R2LC, though you never know.  It sounds like a serial comm issue, but it's somewhat hard to say.

 

 I was answering at the same time you were.  

I only mentioned that because he said

it ran forward but not backwards. Then the board went bad. That is a tight engine to deal with, So to me it sounded like he grounded a wire. Hard to tell without pictures at times.

Oh well as long as he get's it fixed. I really like that engine....

 

 

You can swap the R2LC from another engine to test before you spend money on a new board.  I don't really see this as a likely R2LC failure, so it would be a shame to spend the money when a simple test will confirm if it's an issue.

 

If you swap boards, just make sure that every time the board is moved, you do a full initialization of the board, setting the TMCC # and the locomotive type each time in program mode.

 

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