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4400-0024-EN Rev A
Table 4: Warmer indicator status
Status Warmer
covers
Disposable
cartridge
Power LED
indicator
Temperature
LED indicator
Audible
indicator
Description Action required
Ready Open or closed None Flashing Green
every 3 seconds
Unlit None Warmer unit has power, but
is not heating
None
Device power up Closed In place Red
½ second
duration
Red
½ second
duration
½ second beep Successful device power
up and over temperature
circuit test
Observe. If the LED does
not ash red, replace the
Warmer; and contact
Technical Support.
In operation Closed In place Solid Green Flashing Blue None Infusate temperature is
< 33 °C
None
In operation Closed In place Solid Green Solid Blue None Infusate temperature is
≥
33 °C and < 35 °C
None
In operation Closed In place Solid Green Solid or Flashing
Blue >30 seconds
None Warmer is unable to
heat the infusate within
operational range. Infusate
temperature is
< 20 °C and/or the ow
rate is > 200 mL/min.
Reduce the ow rate if
possible. If there is no
change in operational
temperature, consider
replacing the Warmer and
contact Technical Support.
In operation Closed In place Solid Green Solid Green None Infusate temperature is
≥
35 °C and ≤ 42 °C
None
In operation Closed In place Solid Green Solid Yellow None Infusate (and/or ambient
temperature) is > 42 °C
but less than an Over Temp
condition
Observe. This state whereby
the infusate is > 42 ºC
should only be entered
periodically during changes
in ow rate or infusate
temperature.
In operation Closed In place Flashing Red N/A-Varies Continuous
audible bursts
Internal failure in the
Warmer
Replace the Warmer if this
occurs, and contact Technical
Support.
Continuous
operation
Closed In place Solid Green Flashing Red
High priority
alarm
Continuous
audible bursts
Infusate (and/or ambient
temperature) is > 45 °C
signifying an Over Temp
condition
Stop the uid ow, and slide
the Warmer covers open to
stop warming. Replace the
Warmer if this occurs, and
contact Technical Support.
Refer to Appendix C for the chart on “Warming system response by temperature.”
Refer to Warnings for additional information.
Cleaning the enFlow IV uid/blood warming system components
Caution
• Do not clean with:
Ketones (MEK, acetone, etc.)
Abrasive cleaners
• Do not sterilize the Warmer with:
Steam sterilization (autoclave)
Dry heat
• Do not disinfect or sterilize the Controller.
• Do not spray or pour cleaning solutions directly on the Controller.
• Do not allow cleaning solutions to accumulate on the Controller.