3M Bair Hugger 675 - Device Overview; Model 675 Warming Unit Overview; Control Panel Overview

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Proper Use andMaintenance
3Massumes no responsibility for the reliability, performance, or safety of the warming
unit if the following eventsoccur:
• Modifications or repairs are not performed by a qualified, medical equipment
service technician who is familiar with good practice for medical devicerepair.
• The unit is used in a manner other than that described in the Operator’s or
ServiceManuals.
• The unit is installed in an environment that does not meet the appropriate
electrical and groundingrequirements.
• The warming unit is not maintained in accordance with the procedures
described in the ServiceManual.
Read Before ServicingEquipment
All repair, calibration and servicing of the warming unit require the skill of a qualified,
medical equipment service technician who is familiar with good practice for medical
device repair. No further 3Mwarming unit-specific special training, licensing or
certification is required for servicing of Model675warming unit. If service does not
require the manufacturer’s attention, the Model675Service Manual provides the
technical information needed to service the unit. Perform all repairs and maintenance
in accordance with the instructions in the Model675Service Manual. For additional
service information please contact 3MTechnicalSupport.
SafetyInspection
Perform a safety inspection after making repairs to the BairHugger
Model675warming unit and before returning the unit to service. A safety inspection
should include calibrating the operating temperature settings and testing the
over-temperature detection function as described in this service manual as well as
testing for leakage current and continuity check on safetyground.
Overview
Overview of Model675WarmingUnit
The figure below illustrates the location of the warming unitfeatures.
Control
Panel
Carrying
Handle
IV Pole
Clamp
Warming Unit
Hose
SystemSystem
MODEL
675
Power
Cord
Warming Unit
Hose
Front
Equipotential
Stud
Back
Overview of ControlPanel
The front control panel button locations and indicators are described and illustrated in the figurebelow.
Display Screen (LCD):
• Shows temperature of air coming out of
thehose
Temperature Settings:
•
(Ambient)
• 32° C (89.6° F)
• 38° C (100.4° F)
• 43° C (109.4° F)
Green LED:
• Shows selected temperature setting
Power:
• Green = On
• Amber = Standby