3M 245 사용자 설명서

3M

TM 

Ranger

TM

 Blood/Fluid and Irrigation Warming Systems

English

20

Check the 3M

TM 

Ranger

TM

 system website to ensure you have the most recent version of this document. 

www.rangerfluidwarming.com reorder #202524A

Nothing illuminates on the 

warming unit panel.

• Unit is not turned on, plugged

in, or power cord is not plugged 

into an appropriate outlet.

• Unit failure.

• 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.

• Check fuses.

• Call 3M Patient Warming technical

support.

Alert indicator illuminates and 

alert sounds, alphanumeric 

display alternately flashes a 

temperature of 43˚C for the Model 

245 (48°C for the Model 247) or 

higher and the word “HI.”

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.

• 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. Discontinue infusion

of fluids. Do not warm fluids before 

infusing them through the Ranger 

warming unit.

Alert sounds, alphanumeric 

display and alert indicator light 

go dark.

Primary controller failure. Unit 

will no longer operate.

Power to heating plates will shut 

off if temperature rises to 44°C for 

the Model 245 (50°C for the Model 

247). Turn unit off and unplug it. 

Discontinue use of unit. Discard 

warming set. Alert will continue 

to sound if you do not unplug unit. 

Call 3M Patient Warming technical 

support.