3M Ranger 245 Bedienungsanleitung Seite 15

10 English
c
onDition
Unit alerts soon after plugging
it in (unit does not have to be
turned on for this condition
to occur)�
Heater temperature rises to
44°C (warming units Rev N
and newer) or 46°C (warming
units Rev A to M) and unit
shuts down soon after
plugging it in (unit does not
have to be turned on for this
condition to occur)�
c
onDition
Alert sounds but unit has
been turned off�
c
onDition
Cannot remove cassette
from unit
c
onDition
Alert indicator light
illuminates and alert
sounds, alphanumeric
display alternately flashes a
temperature of 33°C or below
and the word "LO�"
c
onDition
Alphanumeric display reads
"Er 4" or "Open�"
c
onDition
Alphanumeric display reads
"Er 5" or "Open�"
Ranger™ Blood/Fluid Warming System Model 245
c
ause
Test screw on bottom of unit
is loose or missing�
c
ause
Independent backup safety
system has been activated�
c
ause
• Cassette is too full, fluids
are still being infused, or
clamp is open proximal to
the cassette�
• Warming unit is below
patient level, creating
excessive back pressure�
c
ause
Under temperature condition
caused by very high flow
using very cold fluid, or
defective heater/relay�
c
ause
Open wire on
temperature sensor�
c
ause
Electrical interference�
s
olution
Make sure test screw is
completely tightened� If
it is missing, turn unit off
and unplug it� Call 3M
technical service�
s
olution
Unplug unit�
Call 3M technical service�
s
olution
• Make sure fluid is drained
from cassette before
sliding out the cassette,
that fluids are no longer
infusing, and that clamp
is closed proximal to the
warming cassette�
• Raise unit above
patient level�
s
olution
Alert should stop when
temperature rises above
33°C� If alert continues, turn
unit off, unplug unit and
discontinue use� Call 3M
technical service�
s
olution
Do not use unit�
Call 3M technical service�
s
olution
Remove the unit� Refer to
biomedical technician or call
3M technical service�