Sony VPL-CH375 Guide De Référence Rapide page 54

Indicators
The indicators allow checking the status and notify you of abnormal operation of the projector.
If the projector exhibits abnormal status, address the problem in accordance with the table
below.
ON/STANDBY indicator
Status
Lights in red
Flashes in green
Lights in green
Lights in orange
Flashes in red
Flashes twice
Flashes six times
Other number of
flashes
LAMP/COVER indicator
Status
Flashes in red
Flashes twice
Flashes three times The temperature of the lamp is unusually high. Turn off the projector
24
GB
Indicators
Meaning/Remedies
The projector is in Standby mode.
• The projector is ready to operate after having been turned on.
• The lamp cools after the projector is turned off.
The projector's power is on.
The projector is in With No Input (Lamp Cutoff) or when the speaker
setting is set to "Always On."
The projector is in abnormal status. Symptoms are indicated by
number of flashes. Address the problem in accordance with the
following. If the symptom is shown again, consult with qualified Sony
personnel.
The internal temperature is unusually high. Check the items below.
• Check if nothing is blocking the ventilation holes.
• Check if the air filter is not clogged (page 27).
• Check if the Installation Attitude in the Installation menu is set
correctly.
Unplug the AC power cord from a wall outlet. After checking that the
ON/STANDBY indicator goes out, plug the power cord to a wall
outlet again then turn on the projector.
Consult with qualified Sony personnel.
Meaning/Remedies
Symptoms are indicated by number of flashes. Address the problem in
accordance with the following.
The lamp cover is not attached securely (page 25).
and turn it on again after the lamp has cooled. If the same symptom
occurs, turn off the projector again and remove the lamp (page 25),
then check if the lamp is not broken.
If the lamp is not broken, reattach the lamp and turn on the projector
again.
If the symptom occurs again, the lamp may be exhausted. In this case,
replace the lamp with a new one (page 25).
If the lamp is broken, do not exchange the lamp by yourself. Consult a
qualified Sony consultant..