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

www.rangerfluidwarming.com reorder #202456B

3MTM RangerTM Irrigation Fluid Warming System

English

 

 

Condition

Cause

Alert sounds but warming

Independent backup safety

unit has been turned off.

system has been activated.

Condition

Cause

Cannot remove cassette from unit.

• 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.

Solution

Unplug unit. Call 3M Patient Warming 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.

Condition

Alerts indicator light illuminates and alert sounds, alpha-numeric display alternately flashes a temperature of 33°C or below and the word “LO.”

Cause

Under temperature condition caused by very high flow using very cold fluid, or defective heater/relay.

Solution

Alerts should stop when temperature rises above 33°C. If alerts continue, turn off unit, unplug unit, and discontinue use. Call 3M Patient Warming technical support.

Condition

Cause

Solution

Alpha-numeric display

Open wire on temperature sensor.

reads “Er 4” or “Open.”

 

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

Condition

Cause

Solution

Alpha-numeric display

Electrical interference.

Remove the unit. Refer to biomedical

reads “Er 5” or “Open.”

 

technician or call 3M Patient

 

 

Warming technical support.

202456B English

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