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Troubleshooting
BF-1 Owner’s Manual
77
Starting Up
Exercising
Computer
Settings
Music Player
Troubleshooting
Menu Tree
Index
Appendix
Troubleshooting
■ Something seems to be wrong; some malfunction seems to
have occurred.
When one of the following problems occur, immediately turn off the
power and have the device inspected by Yamaha service personnel.
• The device is chipped, cracked or deformed.
• It produces a rattling sound when shaken.
• It gives off extreme heat.
• It emits unusual smells or smoke.
• The power cannot be turned on, even though the battery is fully charged.
• Battery power is depleted immediately, despite having just fully charged the
device.
■ Buttons do not respond./Display cannot be turned on or
cannot be changed.
•A system error has occurred. Press the [RESET] switch and turn on again
(page 11).
■ Power does not turn on.
•A system error has occurred. Press the [RESET] switch and turn on again
(page 11).
• Battery power is low. Charge the battery.
■ When turning the power on, a “Memory full” message appears
and the BF-1 cannot be started up.
• There is no memory space in the device for booting up. Connect the BF-1 to
the computer and delete unnecessary files.
■ Display suddenly turns off.
• Change the Display Time setting (page 69).
■ The earphones easily drop off.
• The earphones may not be put in your ears correctly. Make sure not to
reverse the right and left earphones, and attach them correctly (page 19).
• The cable tightener may be loose. Slide the cable tightener toward your
head (page 20).