Troubleshooting: When you think, “Is it broken?”
Troubleshooting: When you think, “Is it broken?”
Earphone batteries
are depleted.
MFB has not been
pressed for
adequate time.
(Immediately after
purchasing)
Battery charge is low.
Earphones will
not turn ON.
Earphones will
not turn OFF.
Problem
Remedy
Cause
Please place the earphones in the charging case
and charge them. (In case the charge in the
charging case has run out, first charge the charging
case.) Please refer to “Power/Charging” on P.3
regarding the method for charging.
An error has occurred
due to improper
operation.
In some cases, performing a reset operation may fix
the problem. Please refer to “When pairing has not
been successfully completed (Reset Method)” on
P.6 regarding the reset method.
MFB has not been
pressed for
adequate time.
Please press the MFB button long enough for the
earphone to turn OFF. Please refer to “Turning off
the earphones” on P.4 regarding the method for
turning the earphones OFF.
Please press the MFB button long enough for the
earphone to turn ON. Please refer to “Turning on the
earphones” on P.4 regarding the method for turning
the earphones ON.
For safety of transportation from overseas, laws and
regulations do not allow the internal battery to be fully
charged at the time of shipping. For that reason,
voltage may fall below the level required for
operation at the time the customer opens the
package. Fully charging the battery before use may
relieve this inconvenience. Please refer to
“Power/Charging” on P.3 regarding the method for
charging.
Using ear tips other
than those included
as accessories.
Metal contact on
earphone is not
touching the pins
on the charging case.
Charging case
battery charge is low.
Earphones will
not turn OFF.
Earphones
cannot be
charged.
Problem
Remedy
Cause
When ear tips other than those included as accessories
are used, there are cases in which they may interfere
with the charging case and make satisfactory
charging impossible. Please check to see whether
proper charging is possible using original ear tips.
Charging case
battery charge is low.
In some cases, the battery remaining in the charging
case drops before you notice. After once charging
the charging case, place the earphones in the
charging case and check that the LED indicator
illuminates. Please refer to “Power/Charging” on P.3
regarding the method for charging.
Using ear tips other
than an accessory.
When ear tips other than those included as
accessories are used, there are cases in which they
may interfere with the charging case and make
satisfactory charging impossible. Please check to
see whether proper charging is possible using
original ear tips.
Please check that there is adequate contact between
the metal contacts and the pins on the charging
case.
In some cases, the battery remaining in the charging
case drops before you notice. After once charging
the charging case, place the earphones in the
charging case and check that the LED indicator
illuminates. Please refer to “Power/Charging” on P.3
regarding the method for charging.
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