3M Ranger 245, Operator'S Manual

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English 34-8719-2502-9
Ranger™ Blood/Fluid Warming System Model 245 English 9
Troubleshooting
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onDition
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ause
s
olution
Nothing illuminates on the
warming unit panel�
• Unit is not turned on,
plugged in, or power cord
is not plugged into an
appropriate outlet�
• Turn unit on� Make sure the
power cord is plugged into
the power entry module
of the warming unit� Make
sure the warming unit is
plugged into a properly
grounded outlet�
• Unit failure� • Check panel fuses
• Call 3M technical service�
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onDition
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ause
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olution
Alert indicator illuminates
and alert sounds,
alpha‑numeric display
alternately flashes a
temperature of 43°C or
higher and the word “ HI�”
Temporary overtemperature
condition because:
•
An extreme change in
flow rates occurred (e�g�,
from 500 mL/min to
stop flow)�
• Unit was turned on
and reached set point
temperature before
cassette was inserted�
• Fluids were prewarmed
to above 42°C before
being run through the
warming unit�
• Open flow to reduce
temperature� Alerts will stop
when the display reads 41°C�
The unit is ready to use�
• Alerts will stop when the
display reads 41°C� The unit
is ready to use�
• Turn off unit and unplug it�
Discontinue infusion of fluids�
Do not warm fluids before
infusing them through the
Ranger warming unit�
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onDition
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ause
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olution
Alert sounds,
alphanumeric display
and alert indicator light
go dark�
Primary controller failure�
Unit will no longer operate�
Power to heating plates will shut
off if temperature rises to 44°C
(warming unit Rev N and newer)
or 46°C (warming units Rev A to
M)� Turn unit off and unplug it�
Discontinue use of unit� Discard
disposable set� Alert will continue
to sound if you do not unplug
unit� Call 3M technical service�