User Guide

Crestron CNAMPX-7X200 7 Channel Surround-Sound Amplifier
Problem Solving
Troubleshooting
The table below provides corrective action for possible trouble situations. If further
assistance is required, please contact a Crestron customer service representative.
CNAMPX-7X200 Troubleshooting
TROUBLE
POSSIBLE
CAUSE(S)
CORRECTIVE ACTION
No functions and
no indicators
illuminate.
Verify that POWER switch is positioned to
ON, AC power cord is plugged into
CNAMPX-7X200 power port and cord is
plugged into a good power source.
Reset Master Switch circuit breaker.
CNAMPX-7X200 is
not receiving 24VDC
Cresnet power.
Verify that 24VDC is present at cable
plugged into NET port.
CNAMPX-7X200 in
SIMPL Windows
program not properly
configured.
Verify SIMPL Windows CNAMPX-7X200
program.
CNAMPX-7X200 is
not receiving 24VDC
Cresnet power.
Verify that 24VDC is present at cable
plugged into NET port.
Yellow NET LED
does not illuminate.
Improper NET ID. Verify that CNAMPX-7X200 NET ID
matches NET ID in software program.
Hum on audio. Grounding problem. Either connect or remove chassis ground
wire; remove AC ground.
Audio is supplied to
room regardless of
programming.
Override/Setup
function selected.
Press OVERRIDE/SETUP button on rear
panel of CNAMPX-7X200.
Audio distorted or
not present at room
output.
Audio input cable(s)
loose or not
connected.
Verify that audio input cables plugged into
INPUTS ports are secure.
Room output
(speaker) wire(s)
loose or not
connected.
Verify that speaker wires connected to
OUTPUTS terminals are secure.
CNAMPX-7X200 is
not receiving VAC
power.
Green PWR LED
does not illuminate.
Operations Guide – DOC. 8179 7 Channel Surround-Sound Amplifier: CNAMPX-7X200 • 13