Check the 3MTM RangerTM system website to ensure you have the most recent version of this document.

www.rangerfluidwarming.com reorder #202524A

3MTM RangerTM Blood/Fluid and Irrigation Warming Systems

English

 

 

CONDITION

•Unit alerts soon after plugging it in (unit does not have to be turned on for this condition to occur).

•Heater temperature rises to 44°C for

Model 245 (50°C for Model 247) and unit shuts down soon after plugging it in (unit does not have to be turned on for this condition to occur).

CAUSE

Over-temperature screw on bottom of unit is loose or missing.

SOLUTION

Make sure over-temperature screw is completely tightened. If it is missing, turn unit off and unplug it. Call 3M Patient Warming technical support.

CONDITION

CAUSE

SOLUTION

Alert sounds but unit has been turned

• Independent backup safety

• Unplug unit. Call 3M Patient

off.

system has been activated.

Warming technical support.

 

• Over-temperature screw

• Make sure over-temperature screw is

 

loose.

completely tightened. If it is missing,

 

 

turn unit off and unplug it. Call 3M

 

 

Patient Warming technical support.

CONDITION

CAUSE

Cannot remove cassette from unit.

• Cassette is too full, fluids

 

are still being infused, or

 

clamp is open proximal to

 

the cassette.

 

• Warming unit is below

 

patient level, creating

 

excessive back pressure.

SOLUTION

•Make sure fluid is drained from 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.

CONDITION

Alert indicator light illuminates and

alert 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.”

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

Alert should stop when temperature

rises above 33°C. If alert continues, turn off unit, unplug unit and discontinue use. Call 3M Patient Warming technical support.

SOLUTION

Do not use unit. Call 3M Patient Warming technical support.

SOLUTION

Remove the unit. Refer to biomedical technician or call 3M Patient Warming technical support.

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202524A