L 60 Charger - Sennheiser SKM 9000 Instruction Manual

Cleaning and maintaining the Digital 9000 system

L 60 charger

Problem Possible cause
1
The LED does Charger is not
not light up connected to the
mains
Cascaded L 60
chargers are not
correctly connected
to one another
More than four
chargers are
cascaded
Unstable voltage of
the mains unit
Mains unit or mains
cable is defective
No contact with the
accupack
1
The LED does Contacts of the
not light up accupack or contacts
of the charging
compartments
are dirty
Accupack is
defective (overaged
or defective
rechargeable
battery cells)
1
The LED flashes Wrong accupack/
red individual
rechargeable
batteries/batteries
(primary cells) have
been inserted
Accupack
temperature is
too low or too high/
air humidity too
high
Accupack is
defective (overaged
or defective
rechargeable
battery cells)
If a problem occurs that is not listed in the above table or if the problem
cannot be solved with the proposed solutions, please contact your local
Sennheiser partner for assistance.
To find a Sennheiser partner in your country, search at
www.sennheiser.com under "Service & Support".
Possible solution
Check if the L 60 is
connected to the NT 3-1
mains unit and if the mains
unit is connected to the
mains (see page 89).
Check if a maximum of
four L 60 are correctly
connected to one another
(see page 41).
Replace the defective mains
unit or mains cable with
a new one.
Insert the accupack
correctly into the charging
compartment (see page 89).
Clean the charging contacts
of the accupack and of the
charging compartments
(see page 93).
Replace the defective
accupack with a new one.
Only charge BA 60 or BA 61
accupacks with the L 60
charger.
Always recharge the
accupack within the
operating temperature range
and the air humidity range
stated in the specifications
(see page 105).
Replace the defective
accupack with a new one.
Digital 9000 | 97