Precor 9.21 Service Manual page 20

Continue with the next step.
6. Hold the Heart Rate Test Transmitter (Precor part number 20045-101) near the display
housing. If the HEART RATE indicator on the electronic console blinks with the LED on the
Smart Rate Test Generator...
THEN...
The chest strap assembly is bad.
Wear a new chest strap assembly
when you use the Heart Rate
System.
Press ENTER to return to the User ID.
7.
9.21, 9.21i, 9.21S, 9.21Si Treadmill
The Heart Rate system is operating
correctly. There is no need to continue
with this procedure.
OTHERWISE...
The heart rate receiver assembly is
bad. Replace the heart rate receiver as
described in Procedure 5.4 of the
Residential Treadmill Service Manual.
Page 20