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Nuisance Issues That Have Easy Fixes - continued
Plug-In throttle doesn’t have a stop position but rotates continuously
Oops, that is a sign that the potentiometer attached to the knob has been broken. It will need to be
replaced. Give us a call to setup its repair.
You need to take some time to inform your operators that turning the speed knob faster or harder
against the stop does not make the train stop quicker. It only breaks the potentiometer.
The Mikes Train House (MTH) Decoder Can’t Be Programmed With The Loco Address
These decoders do not handle the NMRA-DCC standard back-to-back programming packets
correctly. Therefore, to program this locomotive, the address CVs must be programmed one at a
time using the “Program CV” service programming command on the programming track.
For a loco address between 1 and 99, CV1 is programmed with the loco address and CV29
must be program to a value of 2.
For a loco address between 100 and 999, there are 2 CVs, CV17 and CV18, that hold the
locomotive address. In addition, CV29 must be programmed to a value of 34.
To determine the proper values for the 2 CVs, use the online calculator found at this site (cut
and paste this long URL into your browser:
www.modelrailforum.com/forums/index.php?autocom=custom&page=DCC-long-address-calculator
Use this CV calculator to calculate the two CV values for the desired address. Program these values into
CV17 and CV18 using Program Any CV command. Then, program the value of 34 into CV29. Your
locomotive will now respond on the desired address.
The Plug-In Throttle Indicators Flash When The Cord Is Moved or Plug Is Rotated
This usually means the throttle is not getting a good signal. Rotating the plug or moving the cable
usually means one or both are bad and need to be replaced.
Try another fascia socket. If the problem goes away, replace the socket on the fascia where you
saw the problem - it is worn out. Contact us to purchase new sockets. They are easy to replace.
If the problem is present on multiple fascia sockets, then the throttle’s cord and/or plug are bad
and need to be replaced. Call us to setup the repair.
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