Johnson AFG 5.5AT, Service Manual

Page: 23 / 34

CHAPTER 5:
Troubleshooting
23
5.7 TROUBLESHOOTING- HEART RATE FUNCTION ISSUE
1) SYMPTOM:
a. The chest strap being used is not making good contact with the user's chest.
b. The chest strap is at a low battery status.
c. The chest strap is damaged.
d. The HR grips are damaged.
e. Heart rate board damaged
f. The UCB is damaged.
2) 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. Replace the chest strap.
d. If there is no HR present, replace the HR grips.
e. If there is a HR present but it is much higher than normal, replace the HRboard.
f. If replacing the HR grips and board does not resolve the issues, replace theconsole
5.8 TROUBLESHOOTING - SPEAKER / AUDIO ISSUES
1) SYMPTOM:
a. No sound through the speakers but headphones work.
b. No sound through headphones but the speakers work.
c. No sound through speakers or headphones.
d. IPod not charging.
e. Speakers buzzing.
f. Sound from one speaker only.
g. Shock from headphones.
2) SOLUTION:
a. One of the speaker boards has a bad connection or is faulty.
- Check the connection of the wires going from the speakers to the speaker power board.
- Check the connection of the wires going from the speaker power board to the ampboard.
- Check the connection of the wires going from the amp board to theconsole.
- Replace the speaker or amp boards and wiring.
- Replace the speakers.