background image

Troubleshooting

The following table provides corrective actions for 
possible issues that may arise. If further assistance is 
required, please contact a Crestron customer service 
representative.

3-Series Control Card Troubleshooting

 

TROUBLE 

POSSIBLE 

CAUSE(S) 

CORRECTIVE 

ACTION 

The control 
card does 

not function.

The control 
system is not 

receiving 

power. 

Verify the 
power to the 

control 

system. 

The control 
card is not 

properly 

seated in the 

slot. 

Verify that the 
control card is 

properly 

inserted into 

the control 

system slot 

per the 

procedure in 

this guide. 

There is a 

loss of 

functionality 

due to 

electrostatic 

discharge.  

The control 

system is 

improperly 

grounded. 

Check that all 

connections to 

the control 

system have 

been properly 

made. 

 

C3RY-8/C3RY-16 Wiring Schematics

The C3RY-8 and C3RY-16 provide two terminal blocks 
that contain eight normally open, isolated relays
(rated 1 amp, 30 volts ac/dc). Refer to the following 
diagrams when making connections to the C3RY-8 or 
C3RY-16.

C3RY-8 Wiring Schematic

1

2

3

4

5

6

7

8

C3RY-16 Wiring Schematic

1 2 3 4 5 6 7 8 C

A

B

1 2 3 4 5 6 7 8 C

As of the date of manufacture, the device has been tested 
and found to comply with specifications for CE marking.

These products are Listed to applicable UL

®

 Standards and 

requirements by Underwriters Laboratories Inc.
Ces produits sont énumérés aux normes applicables et les 
exigences UL par Underwriters Laboratories Inc.

Federal Communications Commission (FCC) Compliance 
Statement
CAUTION

: Changes or modifications not expressly approved 

by the manufacturer responsible for compliance could void 
the user’s authority to operate the equipment.

NOTE:

  This equipment has been tested and found to comply 

with the limits for a Class B digital device, pursuant to part 15 
of the FCC Rules. These limits are designed to provide 
reasonable protection against harmful interference in a 
residential installation. This equipment generates, uses and 
can radiate radio frequency energy and, if not installed and 
used in accordance with the instructions, may cause harmful 
interference to radio communications. However, there is no 
guarantee that interference will not occur in a particular 
installation. If this equipment does cause harmful interference 
to radio or television reception, which can be determined by 
turning the equipment off and on, the user is encouraged to 
try to correct the interference by one or more of the following 
measures:
 

•  Reorient or relocate the receiving antenna.

 

•  Increase the separation between the equipment and 

receiver.

 

•  Connect the equipment into an outlet on a circuit 

different from that to which the receiver is connected.

 

•  Consult the dealer or an experienced radio/TV 

technician for help.

Industry Canada (IC) Compliance Statement

CAN ICES-3(B)/NMB-3(B)

Product warranty can be found at 
www.crestron.com/warranty.
The specific patents that cover Crestron products are listed at 
patents.crestron.com.
Certain Crestron products contain open source software. For 
specific information, please visit 
www.crestron.com/opensource.
Crestron, the Crestron logo, 3-Series, and 3-Series Control 
System are either trademarks or registered trademarks of 
Crestron Electronics, Inc. in the United States and/or other 
countries. UL and the UL logo are either trademarks or 
registered trademarks of Underwriters Laboratories, Inc. in 
the United States and/or other countries. Other trademarks, 
registered trademarks, and trade names may be used in this 
document to refer to either the entities claiming the marks 
and names or their products. Crestron disclaims any 
proprietary interest in the marks and names of others. 
Crestron is not responsible for errors in typography or 
photography.
This document was written by the Technical Publications 
department at Crestron.
©2017 Crestron Electronics, Inc.

Crestron Electronics, Inc. 

Installation Guide

15 Volvo Drive

 

DOC. 7944B

Rockleigh, NJ 07647 

(2047636)

Tel: 888.CRESTRON 

02.17

Fax: 201.767.7576  

Specifications subject to 

www.crestron.com 

change without notice.

Reviews: