CardioCoach PRO User Manual | Page 88
Section 6
Maintenance
Maintaining Device Effectiveness
● Do not obstruct free flow of air to vent holes beneath or behind the
CardioCoach.
● Operate on a hard, flat surface.
● Let the drying cycle complete at the end of testing.
O
2
Sensor Replacement
1. Turn off and unplug the CardioCoach from its power supply.
2. Locate the O
2
Sensor Cover Lock at the back of the CardioCoach.
3. To remove cover lock, grasp the vertical cover lock handle. Press in,
and while pressing in, rotate the cover lock ¼ turn in a
counterclockwise direction until the handle is horizontal (90 degrees
to the left).