Ranger 247 Operator's Manual page 9

CONDITION
• Unit alarms soon after plugging it
in (unit does not have to be turned
on for this condition to occur).
• Heater temperature rises to 50˚C
and unit shuts down soon after
plugging it in (unit does not have
to be turned on for this condition
to occur).
CONDITION
Alarm sounds but unit has been
turned off.
CONDITION
Cannot remove warming
cassette from unit.
CONDITION
Alarm indicator light illuminates and
alarm sounds, alphanumeric display
alternately flashes a temperature of
33°C or below and the word "LO."
CONDITION
Alphanumeric display reads
"Er 4" or "Open."
CONDITION
Alphanumeric display reads
"Er 5" or "Open."
Ranger Irrigation Fluid Warming System
CAUSE
Test screw on bottom of unit is
loose or missing.
CAUSE
Independent backup safety system
has been activated.
CAUSE
• Warming cassette is too full, fluids
are still being infused, or clamp
is open proximal to the warming
cassette.
• Warming unit is below patient
level, creating excessive back
pressure.
CAUSE
Under temperature condition caused
by very high flow using very cold
fluid, or defective heater/relay.
CAUSE
Open wire on temperature sensor.
CAUSE
Electrical interference.
SOLUTION
Make sure test screw is completely
tightened. If it is missing, turn
unit off and unplug it. Call Arizant
Healthcare Inc. Technical Support.
SOLUTION
Unplug unit. Call Arizant
Healthcare Inc. Technical Support.
SOLUTION
• Make sure fluid is drained from
warming cassette before sliding
out the cassette, that fluids are no
longer infusing, and that clamp is
closed proximal to the warming
cassette.
•Raise unit above patient level.
SOLUTION
Alarm should stop when
temperature rises above 33°C.
If alarm continues, unplug unit
and discontinue use. Call Arizant
Healthcare Inc. Technical Support.
SOLUTION
Do not use unit. Call Arizant
Healthcare Inc. Technical Support.
SOLUTION
Remove the unit. Refer to
biomedical technician or call
Arizant Healthcare Inc. Technical
Support.
English