Troubleshooting - NAD C 320BEE Manual Del Usuario

TROUBLESHOOTING

PROBLEM
NO SOUND
NO SOUND ONE CHANNEL
WEAK BASS / DIFFUSE STEREO IMAGE
REMOTE CONTROL HANDSET
NOT WORKING
POWER/PROTECTION LED TURNS RED
DURING OPERATION
8
CAUSE
• Power AC lead unplugged or power not
switched on
• Tape 1 Monitor selected
• Mute on
• Rear Pre-out/Main-in amp links not fitted
• Headphones inserted
• Balance control not centered
• Speaker not properly connected or damaged
• Input lead disconnected or damaged
• Speakers wired out of phase
• Batteries flat, or incorrectly inserted
• IR transmitter or receiver windows obstructed
• IR receiver in direct sun or very bright ambient
light
• Amplifier has overheated
• Overall impedance of loudspeakers too low
SOLUTION
• Check if AC lead is plugged in and power
switched on
• De-select Tape 1 Monitor mode
• Switch off Mute
• Fit links
• Disconnect headphones
• Center Balance control
• Check connections and speakers
• Check leads and connections
• Check connections to all speakers in the system
• Check or replace batteries
• Remove obstruction
• Place unit away from direct sun, reduce amount
of ambient light
• Turn amplifier off, make sure ventilation slots on
top and bottom of amplifier are not blocked.
After amplifier has cooled down, turn back on
• Ensure the overall loudspeaker impedance is not
below 4 ohms