Crown CTs 1200 - Page 22

Operation Manual
CTs Power Amplifi ers
page 22
CONDITION: No sound, even though
the amp has power. Power LED is on
with out fl ashing and the amp is receiving an input
sig nal. Signal indicator is fl ashing.
POSSIBLE REASON:
Speakers not connected.
Open circuit due to speaker failure.
There is a short on the amplifi er output. First
disconnect your speakers from the affected
channel(s) one by one to determine if one of
the loads is shorted.
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•
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CONDITION: No input signal. Signal
indicator is not fl ashing even though audio is
applied, and the channel is ready..
POSSIBLE REASON:
Input signal level is very low.
Level controls are turned down.
•
•
CONDITION: Data indicator not
fl ash ing, even though PIP module is
installed and host computer control
software is active.
POSSIBLE REASON:
Cable between computer and PIP module is
broken or not connected.
Note: Data indicator fl ashes only when the installed
PIP2 module is polled for data, or is polled to see
whether it is online.
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6 Troubleshooting
“Off/Flashing/On” above means that
the LED can be off, or fl ashing, or on.
Ready LED is off. Channel has been set to
standby mode via the control system.
•
CONDITION: Bridge LED is lit.
POSSIBLE REASON:
Amplifi er is in bridge-mono mode.•