Yamaha SR-B40A User Manual page 56

TROUBLESHOOTING > Power and overall functionality
The power cannot be turned on
(
The TV indicator flashed red and the power did not turn on three times consecutively when trying
to turn on the sound bar (the protection circuit was activated three times consecutively).
To protect the product, the power cannot be turned on. Unplug the power cord from the AC wall outlet
and contact the nearest authorized Yamaha dealer or service center.
"List of support centers" (p.85)
(
56