Sony VPL-VW40 - Manual (Page 54)

54
Others
Symptom Cause and Remedy
The fan is noisy. c Check the setting of “Cooling Setting” in the Setup menu.
( 1 page 46)
c Make sure that the room temperature is not too high.
Check the installation conditions. ( 1 page 12)
The number of fan rotation increases to maintain the product
reliability of the projector’s components in a room, where the
temperature is higher than normal. The fan noise becomes
slightly louder. The approximate normal temperature is 25°C.
Image is left on the screen.
(image retention) c When High contrast non-moving images are displayed for a
long period of time, there may be some image retention on the
screen. This is only a temporary condition. Turning off the
power for a while will eliminate the retained image.