Maintenance
and
care
Maintenance
and
care
WARNING
-
GENERAL
HAZARD
The
device
may
only
be
opened,
put
into
operation,
modified
and
repaired
by
the
manufacturer’s
customer
service
technicians
or
specialists
expressly
authorized
in
writing
by
Carl
Zeiss
Meditec.
If
in
doubt,
insist
on
seeing
the
written
authorization
or
contact
Carl
Zeiss
Meditec
directly.
The
manufacturer
is
not
liable
for
damage
caused
by
unauthorized
tampering
with
the
device.
Such
actions
will
render
any
warranty
claims
invalid.
Troubleshooting
Problem
Possible
cause
Corrective
measure
43
The
digital
phoropter
does
not
work
at
all.
The
phoropter
head
makes
loud
noises
during
the
self
test.
The
device
does
not
work
correctly
after
initializing
the
phoropter
head.
The
device
is
not
switched
on.
The
device
is
not
connected
to
the
supply
voltage.
The
phoropter
head
is
not
connected
to
the
junctino
box.
One
of
the
fuses
has
blown.
Communication
with
the
VISUSCREEN
control
unit
does
not
work.
Check
the
position
of
the
on/off
switch.
Check
to
ensure
the
power
cable
is
correctly
plugged
in,
and
that
there
is
electricity
on
the
socket.
Check
to
ensure
that
the
connecting
cable
is
connected
properly.
Check
the
fuses.
Check
the
Bluetooth
status
LED.
If
the
LED
is
green,
restart
the
entire
structure.
000000-2075-933-GA-en-GB-230822
