Sonodyne AMC+60 - Manual (Page 8)

TROUBLESHOOTING GUIDE
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
Bass control is turned up
Check speaker loads for shorts
Reduce input level at source
Reduce volume levels on front panel
Reduce Bass control level
No sound but amp is on Volume controls down
Amplifier has overheated
(AMC
+ 60, AMC + 120 AMC + 250 only)
DC fuse(s) blown
Check volume controls
Check for obstructions above and below
Make sure the amplifier is well ventilated
Refer product to local Australian Monitor dealer
No sound from channels 2 and 3 Priority function is being used
Remove signal (disconnect input) from channel 1 OR
Disable priority function (see Internal Adjustments)
Tones do not sound when triggered Tone generator module not installed Purchase optional Tone generator module
PAGE 8 AMC + SERIES INSTALLATION AND OPERATION MANUAL
TROUBLESHOOTING