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20.5 Emergency Stop
If the layout starts to “get away” on you, press the Power/Back Key to stop
everything on the layout.
20.6 Mechanical Drive Train Problems
Pay attention to the mechanical drive train and free movement of the locomo-
tive wheel sets. This is especially important with inexpensive locomotives.
Using Digitrax decoders with appropriate programming settings, you can
achieve surprisingly good quality operation, if you carefully adjust the mecha-
nisms for smooth running. See manufacturers instructions.
20.7 “Strange” Locomotive Lights
If you can’t control the operation of the lights in your locomotive with the
DCS52, be sure that the decoder is programmed to match the speed setting
commands of your DCS52 command station. The factory setting for the DCS52
is advanced 28/128 speed step mode.
Your Digitrax decoder was shipped programmed to 28/128 speed step mode.
You may have changed your decoder’s programming when performing the
decoder test procedure. In any case, if you are not able to turn the locomotives
lights on and o, you will need to change CV 29 to a value of “06” to have
proper light operation when using the DCS52 in its optimum 28/128 speed step
mode. Refer to Section 11.0 for programming instructions. information about
programming CV29 is available in your Digitrax Decoder Manual.
If you have a Digitrax decoder and you can control the lights but not the motor,
check for a motor short circuit. These decoders are designed to shutdown motor
operation when a short is detected to prevent damage to the decoder.
20.8 Decoder Won’t Respond
Did you select the locomotive’s actual address?
If you don’t know the address of the locomotive on the track, you can read
it back in programming mode or you can reprogram it to a new address. See
Section 11.2.
Is the loco on powered track?
Make sure the Track Power Indicator on the DCS52 is on, press the Power/
Back Key to turn on track power. See Section 2.4.
Use the “Quarter Trick” to test for track power at several locations around the
layout. If there is not track power, check your layout wiring. See Section 20.3.
Can you select the loco on your throttle?
Is the loco in use by another throttle did the throttle ask you to Steal the loco-
motive during selection? If it did, then dispatch the loco from the other throttle.
If the loco is part of an MU, Cn will be shown in the Additional Loco
Selection Info. When you select it, you can control the functions, but not speed
and direction. See section 12.0 on consisting...
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