Troubleshooting - Yamaha NX-B02 Owner's Manual

If the problem you are experiencing is not listed below, set this unit to off, disconnect the power, and contact the nearest
authorized Yamaha dealer or service center.
General
Problem
No sound.
The volume level is
unstable.
When using the Bluetooth connection
Problem
Cannot make this unit
paired with the other
component.
No sound is produced or
the sound is interrupted
during playback.

Troubleshooting

Cause
The connection between this unit and the
other component is not correct.
The volume is set to the minimum.
This unit is muted.
AC adaptor is not connected correctly.
The batteries are weak.
The limiter control has been activated
due to excessive input.
Cause
The other component does not support
A2DP.
A Bluetooth adaptor, etc. that you want
to pair with this unit has a password other
than "0000".
Wrong distance.
There is a device (microwave oven,
wireless LAN, etc.) outputs signals in the
2.4 GHz frequency band nearby.
The power of the connected component
is off.
The other component is not connected to
this unit by Bluetooth.
Wrong distance.
There is a device (microwave oven,
wireless LAN, etc.) outputs signals in the
2.4 GHz frequency band nearby.
The other component's Bluetooth
function is not enabled.
This unit is not registered on the other
component's Bluetooth device list.
The other component is not set to send
Bluetooth audio signals to this unit.
The pairing setting of the other
component is not set to this unit.
The other component's volume is set to
the minimum.
Remedy
Connect the cable properly.
Increase the volume level.
Cancel the mute.
Connect AC adaptor correctly.
Replace all batteries.
Decrease the volume level.
Remedy
Perform pairing operations with a
component which supports A2DP.
Use a Bluetooth adaptor, etc. whose
password is "0000".
Reposition this unit within 10 m (33 ft)
range from the other component.
Reposition this unit.
Turn on the connected component.
If Bluetooth communications have
dropped, reconnect.
Reposition this unit within 10 m (33 ft)
range from the other component.
Reposition this unit.
Check that the Bluetooth function of the
other component is set properly.
Perform pairing operations again.
Check that the Bluetooth function of the
other component is set properly.
Set the pairing setting of the other
component to this unit.
Increase the volume level.
5
En