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Xs Series Power Amplifiers
Operation Manual
CONDITION: Normal operation.
POSSIBLE REASON:
• This is normal operation for your amp.
CONDITION: No power to the
amplifier.
POSSIBLE REASONS:
• The amplifier’s Power switch is off.
CONDITION: Distorted sound.
POSSIBLE REASON:
• Input signal level is too high. Turn down your
amplifier Level controls. NOTE: Your amplifier
should never be operated at a level which
causes the Clip LEDS to illuminate constantly.
5 Troubleshooting
CONDITION: No sound.
POSSIBLE REASONS:
• The amplifier has just turned on and is still in
the 4-second turn-on delay.
• The amplifier is in “fault” mode. A Fault status
can be triggered when one of the amplifier’s
protection circuits is activated. First disconnect
your speakers from the affected channel (s) one
by one to determine if one of the loads is
shorted. If the indicators return to normal sta-
tus, then try a different speaker or cable to
determine where the short is occurring. If no
short can be found, turn off the amp and allow
the amp to cool. If indicators do not return to
normal after restarting your amp, check the fuse
and replace if necessary, or return amp to
Crown or an authorized Crown Service Center
for servicing.
• Speakers not connected.
• No input signal
• Input signal level is very low.
• Level controls are turned down.
• The amplifier’s high-voltage power supply circuit
breaker has tripped. Verify that the AC mains volt-
age is correct, then press the Circuit Breaker button
on the back panel.
• The amplifier’s power cord is unplugged.
• Channel is in thermal protection.