3M Ranger 245 Operator's Manual page 17

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3M ™ Ranger
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."
English 202457B
™ Blood/Fluid Warming System
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.
www.rangerfluidwarming.com reorder #202457B
S
OLUTION
Make sure test screw is
completely tightened. If it is
missing, turn unit off and
unplug it. Call 3M Patient
Warming customer service.
S
OLUTION
Unplug unit. Call 3M Patient
Warming customer 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
Patient Warming customer
service.
S
OLUTION
Do not use unit. Call 3M
Patient Warming customer
service.
S
OLUTION
Remove the unit. Refer to
biomedical technician or call
3M Patient Warming customer
service.
English 13