User manual
Table Of Contents
HS8/HS7/HS5/HS8S Owner’s Manual
13
English
Troubleshooting
Symptom Possible Cause Solution
Power won’t turn on / 
front panel logo 
doesn’t light.
The power cord might not be connected 
properly.
Check and connect the power cord.
The power switch might not be turned on. Turn the power switch ON. If the problem persists, 
contact your Yamaha dealer.
No sound. One or more cables might not be 
connected properly.
Check that all cables are properly connected.
The source equipment might not be 
supplying an audio signal.
Make sure that the source equipment is 
functioning properly and delivering the required 
signal.
The level setting might be too low. Adjust the output level setting of the source 
equipment, or use the LEVEL control to increase 
the output level.
Are cables connected to both the XLR and 
phone jack INPUT connectors?
The XLR and phone jack input connectors can not 
be used simultaneously. Use only one input 
connector at a time.
Noisy or distorted 
sound.
One or more cables might be corroded, 
shorted, or otherwise broken.
Replace faulty cable(s).
The system might be picking up external 
noise.
Try changing the positions or layout of the cables.
Try changing the location of other electrical/
electronic devices that are near the speakers.










