Cannot Establish A Bluetooth Connection - Denon AVR-X2400H Service Manual

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.
81
NO
Use a device that is A2DP profile compatible.
NO
Enable the Bluetooth function and try connecting
again.
Checking the unit
NO
Connect the antenna cable correctly.