Sony VPL-VW570ES Guide De Référence Rapide page 19

The ON/STANDBY or WARNING indicator lights up or flashes if there is any trouble with
your projector.
If the symptom persists even after carrying out the above methods, consult with qualified Sony
personnel.
If the indicator starts flashing in a way of other than the above, turn off, and then turn on the power
with the [/1 (On/Standby) button on the remote control or control panel of the unit.
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