Troubleshooting - Ranger 247 Manuel D'utilisation

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Ranger Irrigation Fluid Warming System

Troubleshooting

CONDITION
Nothing illuminates on the
warming unit panel.
CONDITION
Alarm indicator illuminates
and alarm sounds, alpha-
numeric display alternately
flashes a temperature of 48˚C
or higher and the word "HI."
CONDITION
Alarm sounds, alphanumeric
display and alarm indicator
light go dark.
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).

CAUSE
• Unit is not turned on, plugged
in, or power cord is not plugged
into an appropriate outlet.
• Unit failure.
CAUSE
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
warming cassette was inserted.
• Fluids were prewarmed to
above 42°C before being run
through the warming unit.
CAUSE
Primary controller failure.
Unit will no longer operate.
CAUSE
Test screw on bottom of
unit is loose or missing.
SOLUTION
• 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 Arizant Healthcare
Inc. Technical Support.
SOLUTION
• Open flow to reduce
temperature. Alarms will stop
when the drops below 48°C.
The unit is ready to use.
• Alarms will stop when the
temperature drops below 48°C.
The unit is ready to use.
• Turn off unit. Discontinue
infusion of fluids. Do not
warm fluids before infusing
them through the Ranger
Irrigation warming unit.
SOLUTION
Power to heating plates will shut
off if temperature rises to 50˚C.
Turn unit off and unplug it.
Discontinue use of unit. Discard
disposable set. Alarm will continue
to sound if you do not unplug
unit. Call Arizant Healthcare
Inc. Technical Support.
SOLUTION
Make sure test screw is completely
tightened. If it is missing,
turn unit off and unplug
it. Call Arizant Healthcare
Inc. Technical Support.