Speakers Emit A Humming Or Buzzing Noise; The Unswitched Led On Front Panel Is Off - Monster Power Reference PowerCenter HTS3500 Owner's Manual

Possible Cause #2
PowerCenter is plugged into a Switched outlet, but power on the component is not On. In some instances,
a component plugged into a switched outlet won't receive power when the PowerCenter is turned On unless
the component power is also switched On.
Possible Solution
• Turn the component power On.
PROBLEM – Speakers emit a humming or buzzing noise.
Possible Cause
The PowerCenter is sharing AC power with equipment that is not properly grounded.
Possible Solution
• Connect your PowerCenter to a dedicated outlet.
PROBLEM – The Unswitched LED on front panel is Off.
Possible Solution
• Plug the PowerCenter into a properly grounded 120V outlet.
TROUBLESHOOTING (continued)
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