User Guide

CNX Control Processor Card Crestron CNXCPU
6 •• CNX Control Processor Card: CNXCPU Operations & Installation Guide - DOC. 8135
Programming with SIMPL
TM
Windows
The CNXCPU is the central processor unit of the Modular Control System and its
programming depends on the functionality of the control system and the expansion
cards installed.
Problem Solving
Troubleshooting
The table below provides corrective action for possible trouble situations. If further
assistance is required, please contact a Crestron technical support representative.
CNXCPU Troubleshooting
TROUBLE
POSSIBLE
CAUSE(S)
CORRECTIVE ACTION
Green PWR
indicator does
not illuminate.
CNXCPU is not
receiving power.
Verify power to the CNXCPU from the
CNPWS-75 (or CNPWSI-75 for international
use) external power supply.
Yellow NET
indicator does
Loose network
connection.
Verify that Cresnet cable(s) plugged into
CNXCPU is(are) secure.
not illuminate. SIMPL Windows
program error.
Verify the SIMPL Windows program.
Hardware or software
failure, hardware
incompatibility with
software definitions, or
programming error.
Verify that hardware configuration matches
software configuration (i.e., card is in proper
slot as defined by program). Poll the network
(F4) via SIMPL Windows or VisionTools
TM
Pro (VT Pro).
Further Inquiries
If after reviewing this Operations & Installation Guide for the CNXCPU, you cannot
locate specific information or have questions, please take advantage of Crestron's
award winning technical support team by calling:
• In the US and Canada, call Crestron’s corporate headquarters at
1-888-CRESTRON [1-888-273-7876] or 1-201-767-3400.
• In Europe, call Crestron International at [phone].
• In Asia, call Crestron Asia at [phone].
• In Latin America, call Crestron Latin America at [phone].
For local support from exclusive Crestron factory-trained personnel call:
• In Australia, call Soundcorp at [phone].
• In New Zealand, call Amber Technologies at [phone].