3M 247 Food Warmer User Manual


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3M
TM
Ranger
TM
Blood/Fluid and Irrigation Warming Systems
English
20
Check the 3M
TM
Ranger
TM
system website to ensure you have the most recent version of this document. www.rangerfluidwarming.com reorder #202524A
Troubleshooting
CONDITION CAUSE SOLUTION
Nothing illuminates on the
warming unit panel.
•Unitisnotturnedon,plugged
in, or power cord is not plugged
into an appropriate outlet.
•Unitfailure.
•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fuses.
•Call3MPatientWarmingtechnical
support.
CONDITION CAUSE SOLUTION
Alert indicator illuminates and
alert sounds, alphanumeric
display alternately ashes a
temperature of 43˚C for the Model
245 (48°C for the Model 247) or
higher and the word “HI.”
Temporary over-temperature
condition because:
•Anextremechangeinowrates
occurred (e.g., from 500 mL/min
to stop ow).
•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 ow to reduce temperature.
Alerts will stop when the display
reads 41°C. e unit is ready to use.
•Alertswillstopwhenthedisplay
reads 41°C. e unit is ready to use.
•Turnounit.Discontinueinfusion
of uids. Do not warm uids before
infusing them through the Ranger
warming unit.
CONDITION CAUSE SOLUTION
Alert sounds, alphanumeric
display and alert indicator light
go dark.
Primary controller failure. Unit
will no longer operate.
Power to heating plates will shut
o if temperature rises to 44°C for
the Model 245 (50°C for the Model
247). Turn unit o and unplug it.
Discontinue use of unit. Discard
warming set. Alert will continue
to sound if you do not unplug unit.
Call 3M Patient Warming technical
support.
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