Digitrax Zephyr Express DCS52 - 20.9 Does your throttle say “SLOT MAX...?

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Have any CVs changed since last running the loco?
It is possible to set acceleration so high that it will take 10 minutes for the loco
to start moving. Try resetting the CV values to their factory settings and then
running the locomotive. Remember, Digitrax uses address 03 for the factory
setting for all decoders. Check your decoder manual for factory settings and
instructions on resetting the values.
Was the loco running normally just before it stopped?
Check to make sure the decoder has not heated up and gone into a thermal
shutdown. If it is warm, remove the loco from the track, let it cool o and then
see if it starts again. Also check for localized track problems.
Are there burn marks on the decoder?
You’ll need to send it in for repair!
If all else fails, reprogram the decoder address and reset CVs to factory original
values. See your decoder manual for factory settings and reset instructions.
20.9 Does your throttle say “SLOT MAX...”?
This means that the Zephyr Express system’s capacity to handle operating
locos is full. The DCS52 can run up to 20 addresses at the same time. This
includes all decoder/locomotive addresses in use on the system, whether they
are being run individually or as part of an MU. If you have the “SLOT MAX:
Release unused locomotives at zero speed to free space” message, be sure that
all locos that are not running are released from throttles.
If you run into this problem often, you should consider a command station
with more capacity. If you want to clear all of the loco addresses and consist
information in the DCS52 and start over, set OpSw 36 to “Closed” or press the
Reset button.
20.10 I’m totally lost!
If your DCS52 display isn’t showing you what you expect based on the man-
ual, press the Exit/Stop Key to return to the Home Operations Screen. Then
try the throttle task again. If you think you might have made an inadvertent
change to one of the factory settings in either the decoder or the command sta-
tion, try resetting everything to the factory settings and try the task again. See
your decoder instructions for resetting the factory settings of the decoder. See
Section 19.0 for resetting the DCS52 factory settings.
21.0 DCS52 Shutdown
If the DCS52 shuts down briey and then comes back on again, it is probably
being run too close to its pre-set current limit of 3.0 Amps. In this case it may
clip or mutilate some outgoing packets of information to keep the track current
within acceptable limits. To solve this problem, reduce the track current load by
running fewer locomotives or setting up additional power districts and adding
more boosters to provide more power for the layout.