KB375: Super Empire Builder & Slot=max

This article was last updated on Sept. 13, 2011, 8:49 p.m. | Print Article | Leave Feedback

If your throttle says "slot=max", this means that the Super Empire Builder's capacity to handle operating locos is full.

The DB150 can run up to 22 addresses at the same time. If you have the "slot=max" message, be sure that all locos that are not running have been released from throttles.

This will free up room inside the DB150 for other locos to run. A DCS100 command station can run up to 120 locos so, if you are having this problem often, you should consider adding a DCS100 to your LocoNet system.

To Release Locomotives

Use the throttle to make the locomotive's speed zero (this step is optional but strongly recommended).

While the loco's address and speed information is displayed on the LCD, press the LOCO Key to go into select mode. This will release the address from your throttle immediately.

The address will begin to flash in the LCD display. Press the DISP Key to dispatch the address on the throttle and the locomotive will be released to the system and marked as a dispatched address. The LCD in your DT400 will show SEL.

If you press the LOCO Key again, the throttle will begin flashing the address you just released. You can re-select that address by pressing the LOCO Key or you can use the throttle knobs or key pad to browse to a new address and select it instead.

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