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Bachmann Cl 66 woes


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Evening folks,

I've just taken possession of a used Bachmann Cl66 which was running fine until I parked it in a siding and now it won't move. The lights work ok, other than that nothing. Any advice would be much apreciated.

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'Lights on' means that the main board has track power, which is good news. (Assumption being made here, that this is a standard loco as supplied by Bachmann, despite being s/h.)

 

Most likely cause is a poor and thus intermittent electrical connection, if the motor cannot be heard running. Remove the body securing screws, and take the body off. Now look at the top of the mechanism, there is (should be!) a fairly long circuit board on it. Top location for a poor connection from the symptoms described: the two wires which run from terminals either side near the middle of the board to supply the motor; usually labelled 'M+' and 'M-'. Put the mechanism on track and apply power at a low setting, wiggle each of these wires in turn. If there is a burst of actvity from the motor, there's your poor connection to rectify.

 

There are many other potential problem locations, too many to describe concisely. Provided there is no smell of fried electrical/electronic device inside, it is likely to be something pretty simple.

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