14
Troubleshooting
Cannot
power
on
Press
the
Power
Button
for
more
than
0.5
seconds.
Check
that
the
Li
‐
ion
battery
is
charged.
If
monitor
is
charged
but
will
not
turn
on,
contact
support.
Monitor
is
not
recognized
by
computer
or
software
Verify
that
software
and
drivers
are
installed
correctly
before
attaching
monitor
to
PC.
Verify
the
software
and
drivers
were
installed
before
the
monitor
was
plugged
into
the
PC
with
the
USB
cable.
Verify
that
the
ftd2xx.dll
file
is
in
the
same
folder
as
the
GasDataLogging
executable
program
.
Try
using
a
different
USB
cable.
Windows
reports
“unknown
device”
error
Go
to
CO2Meter.com,
select
the
App
Notes
tab,
and
follow
the
instructions
for
AN153:
Troubleshooting
Software
Driver
Installation
(PDF)
.
Slow
response
The
log
file
stored
in
the
monitor
is
very
large.
The
monitor
needs
time
to
transfer
data
to
your
computer.
Readings
do
not
change
Confirm
the
monitor
is
correctly
connected
to
the
computer.
Make
sure
the
computer
recognizes
your
monitor
and
connects
with
your
monitor
successfully.
Monitor’s
data
logs
overwritten
Monitor
memory
will
fill
and
be
reused
after
approximately
22
days
of
continuous
use.
Download
data
logs
more
frequently.