Crestron PROAMP(I)-7X400 PROCISE™ Surround Sound Amplifier

Problem Solving

Troubleshooting

The following table provides corrective action for possible trouble situations. If
further assistance is required, please contact a Crestron customer service
representative.
PROAMP-7X400 Troubleshooting
TROUBLE POSSIBLE CAUSE(S) CORRECTIVE ACTION
Device is not
communicating with the
network.
Use Crestron Toolbo x to poll
the network. Verify network
connection to the device.
Device does not
function.
Device is not paired with
a PSPHD. Pair the amplifier with a
PSPHD.
Device does not
respond to
program control.
Device is in the Override
mode. Press OVERRIDE/SETUP to
exit the Override mode.
TEMP LED
illuminates. Excessive temperature
inside amplifier. Provide better ventilation to
amplifier.
DC offset voltage on
speaker terminal. Remove DC source from
input signal. Press RESET to
turn off FAULT LED.
Driving source level is
too high. Lower output level of audio
source. Press RESET to turn
off FAULT LED.
Operating temperature
is too high. Provide better ventilation to
amplifier.
Both power plugs are
plugged into outlet on
the same circuit.
Each power cord must be
plugged into a different
circuit.
FAULT LED
illuminates.
Device is not receiving
sufficient power. Verify that each power cord is
plugged into a separate
circuit.

Check Network Wiring

Use the Right Wire In order to ensure optimum performance over the full ran ge of your installation
topology, Crestron Certified W ire and only Crestron Certified Wire may be used.
Failure to do so may incur additional charges if support is required to identify
performance deficiencies because of using improper wire.
Strip and Tin Wire When daisy-chaining Cresnet units, strip the ends of the wires carefully to avoid
nicking the conductors. Twist together the ends of the wires that share a pin on the
network connector and tin the twisted connection. Apply solder only to the ends of
the twisted wires. Avoid tinning too far up the wires or the end becomes brittle.
Insert the tinned connection into the Cresnet connector and tighten the retaining
screw. Repeat the procedure for the other three conductors.
Add Hubs Use of a Cresnet Hub/Repeater (CNXHUB) is advised whenever the number of
Cresnet devices on a network exceeds 20 or when the combined total length of
Cresnet cable exceeds 3000 feet (914 meters).
Operations Guide – DOC. 6976A PROCISE™ Surround Sound Amplifier: PROAMP(I)-7X400 • 23