ESU V4.0

[ELTEL]

I have a ESU 4.0 that I am unable to change the loco number (CV1)

 

I can do reboot of CV8 with a value of 8 and cv 1 becomes loco address 3 as I would expect 

 

I’ve tried reprogramming  on both the main and program facilities on my Gaugemaster prodigy 

 

Any ideas ?

 

Eltel 

[RobjUK]

Are you using a two digit or four digit address for the loco?

 

CV1 is only used for short address mode; CVs 17 & 18 hold a long address, I believe.

 

Edit - do you have a stay-alive connected?

Depending how they are built and wired, they can bypass the motor current pulse used for feedback to the controller, as it's supplied by the stay alive and not the track connection.

 

Edited September 15, 2019 by RobjUK

[ELTEL]

Many thanks for your reply.

 

No stay alive fitted.

 

I have tried a single digit and my normal four digit, neither seem to work.

 

Eltel 

[RAF96]

Try a controller reset.

[ELTEL]

Thanks, but I’ve tried that.

[smokebox]

Is the decoder locked?  I think CV 15 should be 0 if it's unlocked, 1 it's locked.

[ELTEL]

I’ve done a chip reset .

 

It seems to work fine as long as I leave CV 1 set at the default setting of 3 which I’m happy  to do.

(I can’t read the cab number easily anyway)

 

Thanks for all your help.

 

Eltel