Oppo HA-2 - Manual (Page 14)

15. Troubleshooting
Use this chart to resolve general operational problems. If there
are any problems that you cannot resolve, please contact your
OPPO service center.
Symptom: No sound
Possible Cause and Solution:
The unit is not turned on. Turn on the unit by rotating the Power /
Volume Knob
The battery is completely drained and the Power Indicator does
not come on. Charge the unit until the battery is full before
using.
The volume is too low. Adjust the volume of the source device,
and/or adjust the volume of the HA-2.
Incorrect connection to the source device. Please check the
connection by referring to the “Source Device
Connection” section of this guide.
Incorrect Source Selector position. Check which input source is
in use and set the Source Selector accordingly.
Line-out is muted when headphones are plugged in. Unplug the
headphones if you wish to use line-out.
Symptom: The unit fails to charge
Possible Cause and Solution:
Incorrect cable connection. Check the cable connection and re-
set all cables.
Incompatible charger or cable. Please use the supplied original
VOOC rapid charger and data / charging cable.
Reset required. Please press and hold the Battery Check /
Power Bank button for 20 seconds. Any lit indicator light
will go dark and then come back on again after a
successful reset.
Symptom: Temporary malfunction
Possible Cause and Solution:
The protection mechanism is triggered. Please turn off the unit,
remove all connections, and wait for 30 seconds before
trying again.
Interference from other devices. Identify interference by turning
off other devices, and then relocate or replace the
offending device.