Specifications
Crestron TPMC-3X    Isys™ 2.8” Handheld WiFi Touchpanel 
TPMC-3X Troubleshooting (Continued) 
TROUBLE  POSSIBLE CAUSE(S)  CORRECTIVE ACTION 
No IP address 
configured/obtained on 
the TPMC-3X. 
Refer to “IP Config” on page 
19 to define IP addresses. If 
the TPMC-3X is set up to use 
DHCP, you can use the “IP 
Config” window’s IP Address 
tab to verify the IP address 
provided. If the number is 
invalid for your subnet or no 
number is present, verify the 
DHCP server is working 
properly. 
Invalid control system IP 
address / IP ID set up 
on TPMC-3X. 
The IP address (or host 
name) for the control system 
is invalid or the IP ID does not 
match the one defined in the 
SIMPL program. Refer to “IP 
Config” on page 19 to define 
IP addresses. 
TPMC-3X does 
not show 
feedback and/or 
does not control 
any devices 
(Continued). 
TPMC-3X is out of 
range or has poor 
access to the WAPs. 
The TPMC-3X is out of range 
of the WAP or is experiencing 
interference. For detailed 
information, refer to the latest 
version of the Best Practices 
for Installation and Setup of 
Crestron RF Products 
Reference Guide (Doc. 
6689). 
TPMC-3X shows 
unexpected or 
intermittent 
feedback and/or 
has intermittent 
device control. 
TPMC-3X is out of 
range or has poor 
access to the WAPs. 
The TPMC-3X is out of range 
of the WAP or is experiencing 
interference. For detailed 
information, refer to the latest 
version of the Best Practices 
for Installation and Setup of 
Crestron RF Products 
Reference Guide (Doc. 
6689). 
TPMC-3X boots 
up in setup 
screens every 
time. 
Invalid VT Pro-e project 
or no VT Pro-e project is 
loaded. 
Load/reload VT Pro-e project 
using the Toolbox. 
Reference Documents 
The latest version of all documents mentioned within the guide can be obtained from 
the Crestron Web site (www.crestron.com/manuals
). This link will provide a list of 
product manuals arranged in alphabetical order by model number. 
List of Related Reference Documents 
DOCUMENT TITLE 
Best Practices for Installation and Setup of Crestron RF Products Reference Guide 
Crestron e-Control Reference Guide 
TPMC-3X-DS Docking Station/Charger 
Operations Guide – DOC. 6789F  Isys™ 2.8” Handheld WiFi Touchpanel: TPMC-3X • 41 










