Denon AVR-X8500H Service Manual page 90

YES
Are the versions of the HEOS Version displayed
in Version Check Mode?
YES
The circuit of Network Module is faulty.
NO
The Network Module software is faulty.
5.2. Cannot establish a Bluetooth connection
Check the Bluetooth device being used
Is the Bluetooth device compatible with the
A2DP profile?
YES
Is the Bluetooth function enabled on the Blue-
tooth device?
YES
Is the antenna cable inserted correctly into Net-
work Module?
YES
In the same way as for Network connection troubleshooting, check the Network Module power supply
and HEOS Version is displayed correctly.
90
NO
Use a device that is A2DP profile compatible.
NO
Enable the Bluetooth function and try connect-
ing again.
Checking the unit
NO
Connect the antenna cable correctly.