ESP SERIES
INSTALLATION AND OPERATION MANUAL
8
TROUBLESHOOTING
TROUBLE
LIKELY CAUSE
REMEDY
Power LED not on
Power not reaching amplifier
Check power switch is on
Check mains connection
Check mains fuse
Distorted sound
Output is short circuit
Input is overloaded
Output is being over driven
Check speaker loads for shorts
Reduce input level at source
Reduce volume levels on rear panel
No sound but amplifier is on
Volume controls down
Amplifier has overheated
Check volume controls
Check for obstructions above and below
Make sure the amplifier is well ventilated