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Solutions for server issues:

1. Reboot the computer running JMRI, turn JMRI and command station 

on, and restart the WiThrottle server. Once complete, select menu option 

“Try Again.”

2. Use the menu options labeled “Auto-detect LCC/WT” or “Change LCC/

WT Mode” and select “WiThrottle Protocol” - an asterisk (*) will appear 

next to the current mode. 

3. mDNS is a WiFi protocol which is used to automatically load the IP 

address and Port number of a server connection. This protocol is not 

bulletproof and can fail. If you use phone apps, you may be familiar with 

manually entering the IP and Port Number of your JMRI WiThrottle Serv-

er. The UWT-100 is also capable of doing this. Select “Set IP Address” 

from the Server Not Found menu (option 2) and set the IP address and 

port number as indicated on your WiThrottle server window in JMRI.

 

Troubleshooting an LNWI connection

If you are unable to establish a connection with your LNWI device, follow 

the steps below: 

 

1. As simple as it sounds, turning the LNWI device off and on again will 

often solve connection issues. 

2. Ensure that the number of connections to a specific LNWI device 

is not greater than four. LNWI devices have a limit of four connected 

devices at one time - including phones running apps like WiThrottle and 

EngineDriver. Turn off or disconnect one of the devices connected to the 

LNWI and see if the problem disappears. 

3. Check that your saved LNWI device is turned on. In situations where 

there are multiple LNWI devices in use, the throttle may attempt to con-

nect to one that is not powered on and available. 

Summary of Contents for UWT-100

Page 1: ...QUICK START GUIDE UWT 100 TRAIN CONTROL SYSTEMS...

Page 2: ...shooting LNWI 5 Using the UWT 100 6 Power On Off 6 Menu Navigation 6 The Help Button 7 The Help Button on the Drive Window 7 Programmable Buttons 7 Operations Drive Window 8 Select A Locomotive 8 Usin...

Page 3: ...se the throttle will acknowledge the lost connec tion and will display a screen that will look like Fig A In order to connect to a new WiFi select option 2 Add New WiFi which will call up a list of me...

Page 4: ...d incorrectly Solutions for WiFi issues 1 Turn WiFi device or router on and check power supply for issues 2 Follow the steps in First time Setup Process to connect to a WiFi 3 Double check and re ente...

Page 5: ...ess from the Server Not Found menu option 2 and set the IP address and port number as indicated on your WiThrottle server window in JMRI Troubleshooting an LNWI connection If you are unable to establi...

Page 6: ...em will be indicated by a black bar surrounding white text Navigating the main menu can be performed a variety of ways Rotating the scroll wheel will navigate up or down through menu items one at a ti...

Page 7: ...he function is on or off Programmable Buttons There are eight buttons on the UWT 100 that can be assigned functions by the user These buttons can be reprogrammed to activate a function different than...

Page 8: ...hevrons to navigate to the desired loco motive then press the Enter key to select it and return to the drive window To assume control of a different locomotive press the locomo tive button on the keyp...

Page 9: ...has a unique 3 Stage Emergency Stop function Some stages will not be supported on certain DCC systems Stage 1 is supported under all DCC systems that communicate via the WiThrottle Protocol 1 To bring...

Page 10: ...etwork profiles user settings and throttle settings After performing a factory reset you will need to re enter your WiFi connection information as outlined in the section First time Setup Process Pro...

Page 11: ...nce that may cause undesired operation of the device Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deu...

Page 12: ...UWT 100 DIAGRAM...

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