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3-Series Control System™ Crestron CP3

22 • 3 – Series Control System™: CP3 Operations Guide – DOC. 7316A

CP3 Troubleshooting (Continued)

TROUBLE POSSIBLE CAUSE(S) CORRECTIVE ACTION

A/V system device

does not respond.

IRP2 or serial port not

placed properly.

Verify placement of IRP2

(hold phosphor card under

IRP2 while pressing button)

and tighten serial cables.

Used wrong IR/serial

port.

Verify that proper IR or serial

port is defined.

Serial cable not wired

correctly.

Verify that serial cable is

wired correctly for RS-232,

422, 485.

Device is not receiving

sufficient power.

User the Crestron Power

Calculator to help calculate

how much power is needed

for the system.

Network Analyzer

To assist with troubleshooting, the unit contains Crestron’s patent-pending network

analyzer to continuously monitor the integrity of the Cresnet network for wiring

faults and marginal system performance or other network errors. For more

information on how to use the network analyzer, refer to the Crestron Toolbox help

file and use the index to search for “Network Analyzer.”

Battery Replacement

A Lithium battery is used to power the system clock within the 3-Series integrated

dual bus control system. Under normal conditions, it will last for approximately 10

years. In the event that the clock fails, only an authorized technician should replace

it. Refer to caution statement below.

CAUTION: Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufacturer.

Dispose of used batteries according to the manufacturer's instructions.

Check Network Wiring

Use the Right Wire

To ensure optimum performance over the full range of your installation topology,

use Crestron Certified Wire only. Failure to do so may incur additional charges if

support is required to identify performance deficiencies because of using improper

wire.

Calculate Power

CAUTION: Use only Crestron power supplies for Crestron equipment. Failure to

do so could cause equipment damage or void the Crestron warranty.

CAUTION: Provide sufficient power to the system. Insufficient power can lead to

unpredictable results or damage to the equipment. Use the Crestron Power

Calculator to help calculate how much power is needed for the system

(

www.crestron.com/calculators).

When calculating the length of wire for a particular Cresnet run, the wire gauge and

the Cresnet power usage of each network unit to be connected must be taken into

consideration. Use Crestron Certified Wire only. If Cresnet units are to be daisy

chained on the run, the Cresnet power usage of each network unit to be daisy

chained must be added together to determine the Cresnet power usage of the entire

chain. If the unit is run from a Crestron system power supply network port, the

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Crestron CP3 Spécifications Page 26

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