3M Ranger 245 - Page 19

English
19
247021E English
Ranger Blood and Fluid Warming Systems
CONDITION
CAUSE
SOLUTION
• Unit alarms soon aer plugging it in
(unit does not have to be turned on
for this condition to occur)�
• Heater temperature rises to 44˚C for
Model 245 (50°C for Model 247) and
unit shuts down soon aer plugging
it in (unit does not have to be turned
on for this condition to occur)�
Over-temperature screw on
bottom of unit is loose or
missing�
Make sure over-temperature screw is
completely tightened� If it is missing,
turn unit o and unplug it� Call
Arizant Healthcare Inc� Technical
Service�
CONDITION CAUSE SOLUTION
Alarm sounds but unit has been
turned o�
• Independent backup safety
system has been activated�
• Over-temperature screw
loose�
Unplug unit� Call Arizant Healthcare
Inc� Technical Service�
• Make sure over-temperature screw is
completely tightened� If it is missing,
turn unit o and unplug it� Call
Arizant Healthcare Inc� Technical
Service�
CONDITION CAUSE SOLUTION
Cannot remove warming cassette
from unit�
• Warming cassette is too
full, uids are still being
infused, or clamp is open
proximal to the warming
cassette�
• Warming unit is below
patient level, creating
excessive back pressure�
• Make sure uid is drained from
warming cassette before sliding out
the cassette, that uids are no longer
infusing, and that clamp is closed
proximal to the warming cassette�
• Raise unit above patient level�
CONDITION CAUSE SOLUTION
Alarm indicator light illuminates and
alarm sounds, alphanumeric display
alternately ashes a temperature of
33°C or below and the word “LO�”
Under-temperature
condition caused by very
high ow using very cold
uid, or defective heater/
relay�
Alarm should stop when temperature
rises above 33°C� If alarm continues,
unplug unit and discontinue use� Call
Arizant Healthcare Inc� Technical
Service�
CONDITION CAUSE SOLUTION
Alphanumeric display reads “Er 4” or
“Open�”
Open wire on temperature
sensor�
Do not use unit� Call Arizant
Healthcare Inc� Technical Service�
CONDITION CAUSE SOLUTION
Alphanumeric display reads “Er 5” or
“Open�”
Electrical interference� Remove the unit� Refer to biomedical
technician or call Arizant Healthcare
Inc� Technical Service�