Johnson Horizon Fitness 7.0AT-04, Service Manual

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CHAPTER 5: TROUBLESHOOTING
5.10 HEART RATE FUNCTION ISSUE
SOLUTION:
A. Re-center the chest strap below the user's pectoral muscle and check again.
B. Replace the battery in the chest strap.
C. Wet the user's hand, and then re-establish contact with the HR grip.
D. Replace new HR grip if console can display proper HR rate.
With a multi-meter set for DC voltage, place one terminal on each of the HR grip plates. The HR Grip
should give a voltage reading of between 0.5 and 2.0VDC. If the voltage is not between 0.5 and 2.0VDC,
remove the screws holding the HR grip together and check the connection of the HR grip wiring.
E. Check a-d. If still cannot work, Suggest install new console.