Problem Solving; Troubleshooting - Crestron C2COM-2 Operations & Installation Manual

Crestron C2COM-2/3

Problem Solving

Operations & Installation Guide - Doc. 8192
2-Series RS-232/422/485 Expansion Cards
For more information, refer to the latest release of the SIMPL Windows help.
Example Program
An example program for the C2COM-2/3 is available from the Crestron FTP site
(ftp://ftp.crestron.com/Examples/). Search for the file C2COM-2&3.ZIP that
contains the example program, associated files and a README.TXT file that
describes the program.

Troubleshooting

The table below provides corrective action for possible trouble situations. If further
assistance is required, please contact a Crestron customer service representative.
C2COM-2/3 Toubleshooting
TROUBLE POSSIBLE CAUSE(S)
C2COM-2/3 Control system is not
does not receiving power.
function.
Circuit card is not properly
seated in slot.
Cable from C2COM-2/3 to
controlled equipment is
incorrect.
Incorrect serial port
settings.
Programming error.
Framing Error or Cable noise* or improper
Parity Error comm settings in program.
Overrun Error or C2COM-3 is receiving data
RX Buffer full at a higher rate than the
program can process.
TX Buffer Full C2COM-2/3 is sending
large quantities of data in
excess of the device baud
rate or handshaking is
enabled and the receiving
end is preventing the
system from transmitting.
Controlled Cable/Wiring problems
device does not
respond
*Cable noise can be caused by high frequency interference, etc.
2-Series RS-232/422/485 Expansion Cards: C2COM-2/3 • 11
CORRECTIVE ACTION
Verify power to the control system.
Verify C2COM-2/3 is properly inserted
into control system slot per procedures in
this guide.
Verify wiring. Connect only the required
pins for each communication type.
Verify the communication parameters
assigned in the "Device Settings" window
as described in the Programming
section.
Check SIMPL Windows program.
Verify communication settings (Serial
Settings tab) and wiring.
Enable hardware or software
handshaking in communication settings
(Serial Settings tab) and in device.
Change program to reduce serial data to
device or use a higher baud rate if device
can support the higher rate.
Confirm and/or check the cable pinouts
using the Crestron Cable Database
software or refer to the user manual for
the controlled device.