GB
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TROUBLESHOOTING
NO SOUND • Power AC lead unplugged or power not
switched on
• Input Select switch not set to active input
• Input Level Control turned down
• Check if AC lead is plugged in and
power switched on
• Set switch to the active input
• Turn control up to the correct level
Problem Cause Solution
NO SOUND ONE CHANNEL • Balance control not centred
• Speaker not properly connected or
damaged
• Input lead disconnected or damaged
• Centre Balance control
• Check connections and speakers
• Check leads and connections
WEAK BASS / DIFFUSE OR
NO STEREO IMAGE
• Speakers wired out of phase
• Bridge Mode selected when speakers
are connected normally
• Check connections to all speakers in the
system
• Disengage Bridge Mode
POWER/PROTECTION LED STAYS RED
UPON TURNING POWER ON
• Loudspeakers cabling has a short-circuit • Turn amplifier off and check
loudspeaker cable connections for both
speakers at amplifier’s back panel and
loudspeakers. Turn amplifier on
POWER/PROTECTION INDICATOR TURNS
RED DURING OPERATION
• Amplifier has over-heated
• Overall impedance of loudspeakers
too low
• Turn amplifier off. Make sure ventilation
slots on top and bottom of amplifier
aren’t blocked. After amplifier has
cooled down, turn back on
• Ensure the overall loudspeaker
impedance isn’t below 4 ohms
• Check loudspeaker cables for
short circuits
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