3M Ranger 245 Operator's Manual page 16

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12 English
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.
C
AUSE
• Unit is not turned on,
plugged in, or power cord
is not plugged into an
appropriate outlet.
• Unit failure.
C
AUSE
Temporary over-temperature
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.
www.rangerfluidwarming.com
3M ™ Ranger ™ Blood/Fluid Warming System
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.
• Call 3M Patient Warming
customer 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 Patient Warming
customer service.
reorder #202457B