Sennheiser L 1039-10, Instruction Manual

Page: 11 / 14

If a problem occurs ...
10 | L 1039-10
If a problem occurs ...
Problem Possible cause Solution
The status LEDs
3
and
8
do
not light up
Charger is not connected
to the mains Check if the charger is connected
to the NT 12-50C mains unit and
if the mains unit is connected to
the mains (see page 7).
Unstable voltage of the
mains unit Replace the defective mains unit
or mains cable with a new one.
Mains unit or mains cable
is defective
No contact with the
accupack Insert the bodypack receiver/
transmitter –with the accupack
installed – correctly into the
charging compartment
(see page 8).
Contacts of the receiver or
contacts of the charging
compartment are dirty Clean the charging contacts of
the receiver and of the charging
compartment (see page 9).
Accupack is defective
(overaged or defective
rechargeable battery cells) Replace the defective accupack
with a new one.
The status
LED
3
flashes
red
Wrong accupack/indi-
vidual rechargeable
batteries/batteries
(primary cells) have
been inserted Only charge BA 2015 accupacks
(installed in a bodypack receiver/
transmitter) with the L 1039-10
charger.
Accupack temperature is
too low or too high Always recharge the accupacks
within the operating temperature
range and the air humidity range
stated in the specifications
(see page 11).
Accupack is defective
(overaged or defective
rechargeable battery cells) Replace the defective accupack
with a new one.