Troubleshooting - 3M Ranger 245 Bedienungsanleitung

Ranger™ Blood/Fluid Warming System Model 245

Troubleshooting

c
onDition
Nothing illuminates on the
warming unit panel�
c
onDition
Alert indicator illuminates
and alert sounds,
alpha‑numeric display
alternately flashes a
temperature of 43°C or
higher and the word " HI�"
c
onDition
Alert sounds,
alphanumeric display
and alert indicator light
go dark�
English 34-8719-2502-9
c
ause
• Unit is not turned on,
plugged in, or power cord
is not plugged into an
appropriate outlet�
• Unit failure�
c
ause
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�
c
ause
Primary controller failure�
Unit will no longer operate�
s
olution
• 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�
• Check panel fuses
• Call 3M technical service�
s
olution
• 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�
s
olution
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�
English 9