SECTION 5—TROUBLESHOOTING AND MAINTENANCE
Part No 1164898
19
SOLO
2
™
Troubleshooting Alarms
The
Transportable
Oxygen
Concentrator
has
numerous
alarms
that
are
being
monitored
on
a
continuous
basis.
Some
of
these
alarms
have
multiple
sub
‐
codes
available
to
the
service
technician
that
can
be
used
to
help
diagnose
the
problem.
The
alarms
that
carry
sub
‐
codes
are:
•
Compressor
Alarm:
This
alarm
group
centers
on
the
compressor
operation.
These
are
alarms
for
which
there
is
no
corrective
action
available
to
either
the
patient
or
the
provider.
•
System
Alarm:
This
alarm
group
centers
on
internal
software
monitors.
These
are
alarms
for
which
there
is
no
corrective
action
available
to
either
the
patient
or
the
provider.
•
Operating
Alarm:
This
alarm
group
centers
on
internal
pressures.
These
are
alarms
for
which
there
is
no
corrective
action
available
to
either
the
patient
or
the
provider.
•
O
2
Sensor
Fail
Alarm:
This
alarm
centers
on
failure
of
the
O
2
sensor.
This
alarm
has
no
corrective
action
available
to
either
the
patient
or
the
provider.
Accessing Alarm Codes
To
access
the
Alarm
codes,
the
unit
first
has
to
be
in
an
alarm
condition
with
the
red
LED
illuminated.
While
in
this
condition:
1. Push
the
ON/OFF
and
Up/Increase
flow
setting
buttons
simultaneously.
• Six
numbers
will
display
at
the
bottom
of
the
screen,
refer
to
FIGURE 5.2
on
page 19.
The
first
is
the
total
number
of
errors
occurring,
the
second
number
is
the
error
sequence
(current
error
displayed
beginning
with
“0”),
and
the
last
four
numbers
are
the
error
codes.
Refer
to
Error
Codes
on
page 20.
• If
more
than
one
error
occurs
use
the
Return/Highlight
button
to
cycle
through
each
error.
Once
the
unit
is
turned
off,
the
alarm
codes
will
reset.
All
the
alarms
should
be
reset
and
the
unit
turned
back
on
to
see
if
the
unit
can
self
‐
correct
the
problem.
NOTE:
If
the
alarm
persists,
please
contact
your
nearest
Invacare
repair
center.
FIGURE 5.2
Accessing Alarm Codes
1
0
3330
# of Errors
Error
Sequence
Error Code
