Sony DWZB70HL Operating Instructions Manual page 24

Symptom
The BATT/CHARGE
(remaining battery /
charge) indicator does
not light when the BC-
DWZ1 is connected to the
transmitter.
The BATT/CHARGE
(remaining battery /
charge) indicator on the
transmitter is blinking.
24
Troubleshooting
Meanings
The batteries are not inserted.
The polarity orientation of the batteries in the
battery compartment is incorrect.
The nickel-metal hydride batteries are fully
charged.
The nickel-metal hydride batteries are close
to fully charged.
Batteries that are not nickel-metal hydride
batteries are inserted.
The conditions of the inserted batteries do
not match.
The nickel-metal hydride batteries have
deteriorated.
Remedy
Insert nickel-metal hydride batteries.
Insert the batteries with the correct polarity
orientation.
Charging is not necessary. (Charging will not start to
prevent overcharging.)
Charging is not necessary. Use the batteries in their
current condition. (The remaining charge is
sufficient, and further charging is being interrupted
to prevent overcharging.)
Insert nickel-metal hydride batteries.
Always charge sets of batteries of the same type,
capacity, and usage condition. In addition, do not
insert batteries that were used in other devices in
the transmitter for charging.
Replace the batteries with new nickel-metal hydride
batteries.