3
Troubleshooting
Troubleshooting
19
Troubleshoo
ting
3
Troubleshooting
General
Problem
Cause & Correction
No Power.
y
The battery is discharged. Recharge the battery.
y
Connect the unit to the power supply with the AC adapter.
No sound or sound
distortion.
y
The unit or your smart device’s volume is set to minimum. Check and adjust the
volume of the unit or
Bluetooth
device’s volume.
y
When you use an external device at high volume, the sound quality may be
deteriorated. Lower the volume of the devices.
y
If you use the unit for purposes other than listening to music, the sound quality
may be lowered or the unit may not work properly.
Bluetooth
pairing does
not work well.
y
Switch
Bluetooth
off and on again on your
Bluetooth
device, then try pairing
again.
y
Be sure your
Bluetooth
device is on.
y
Remove the obstacle in the path of the
Bluetooth
device and the unit.
y
Depending on the type of the
Bluetooth
device or surrounding environment,
your device may not be paired with the unit.
y
While using
Bluetooth
, you may not activate the “Music Flow Bluetooth” app.
Disconnect the
Bluetooth
device you have connected before you can use the
“Music Flow Bluetooth” app properly.
y
When your
Bluetooth
device has already been connected with another unit,
disconnect the
Bluetooth
connection first. Then you can control your unit
through the “Music Flow Bluetooth” app.
y
Depending upon the
Bluetooth
device, the “Music Flow Bluetooth” app may
work restrictively.
y
The connection you’ve made may be disconnected if you select another
application or change the setting of the connected device via “Music Flow
Bluetooth” app. In such case, please check the connection status.
The unit does not
operate normally.
y
If the battery was fully discharged, the stored
Bluetooth
information can be
deleted. Previous setting may not be saved when the unit’s power is shut off.
y
In case of malfunction, Battery indicator
is lit in white and amber alternately.
Please use the unit in proper place where the temperature or humidity is not
so high or low.
y
In case of overload, all LED indicators stay white. Please turn the power off and
then on again.
Above solutions do not
work.
y
Press Reset hole with a pointed thing like mechanical pencil.
Summary of Contents for NP5550B
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