Harman Mark Levinson 526 Manuel Du Propriétaire page 24

TROUBLESHOOTING
AUDIO HUM
Disconnect components one at a time to isolate the problem.
Once the problem is identified, make sure the problematic component is properly grounded and connected to the same electrical circuit as the
preamp.
VOLUME CAN'T BE SET TO MAXIMUM
You have the option of establishing a maximum volume level in the Setup menu. If this option is set, it can prevent the unit's maximum volume level
of 80.0 from being reached. Refer to Volume Control / MaxVol for more information.
FRONT-PANEL DISPLAY NOT WORKING
Verify that the Intensity parameter in the Setup menu is not set to Off.
NO NETWORK CONNECTIVITY
Verify that the network cables are properly connected between the router, switch or hub and the preamp.
Verify the age of the router, switch or hub. If the router, switch or hub is more than ten years old, there may be a communication issue with the
preamp. Power cycle the preamp and use a newer router, switch or hub between the network and the preamp.
IF ALL ELSE FAILS...
Power cycle the preamp with the rear-panel Power switch, waiting at least 10 seconds between powering the unit off and on.
Restore factory-default settings (See Advanced: Config / Restore).
Contact your authorized Mark Levinson dealer.
Contact Mark Levinson Customer Service at 888-691-4171 or marklevinson.com.
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