Viewsonic PJ650/PJ520 Manual De Usuario

Lighting and flashing of the POWER indicator, the LAMP indicator, and the TEMP indicator have the 
meanings as described in the Table below.

Please respond in accordance with the instructions within the Table.

NOTE:
When the interior portion has become overheated, for safety purposes, the power source is automatically 
turned OFF, and the indicator lamps may also be turned OFF. Press the “O” (power OFF) side of the main 
power switch, and wait for approximately 20 minutes. Please then use the unit only after having first 
confirmed that the unit has sufficiently cooled down.

The orange 
lamp is lighted

Turned OFF
(Not lighted)

Turned OFF
(Not lighted)

The STANDBY mode is set

Flashing of 
the green 
lamp

Turned OFF

Turned OFF

The unit is warming up. Please wait.

The green 
lamp is lighted

Turned OFF

Turned OFF

The unit is in an ON state. Ordinary operations may be performed.

Flashing of 
the orange 
lamp

Turned OFF

Turned OFF

The unit is cooling down. Please wait.

Blinking of the 
red lamp

-

-

The unit is cooling down. Please wait.
A certain error has been detected. Wait until the POWER indicator lamp 
has finished flashing, and then perform the proper response measure 
using the item descriptions below as reference.

The red lamp 
is lighted, or 
blinks

The red lamp 
is lighted

Turned OFF

The lamp does not light.
There is a possibility that the interior portion has become heated. Turn 
the power OFF and wait approximately 20 minutes. After the main unit 
has cooled down, please confirm whether or not there is blockage of the 
air passage aperture, whether or not the filter is dirty, and/or whether or 
not the peripheral temperature exceeds 35°C, etc. After performing any 
needed maintenance, turn the power ON again; if the same display is 
displayed, then please change the lamp.

The red lamp 
is lighted, or 
blinks

Blinking of the 
red lamp

Turned OFF

Either there is no lamp and/or lamp cover, or either of these has not 
been properly fixed (attached). Turn the power OFF and wait approxi-
mately 45 minutes. After the main unit has sufficiently cooled down, 
please make confirmation of the attachment state of the lamp and lamp 
cover. After performing any needed maintenance, turn the power ON 
again; if the same display is displayed, then please contact a sales store 
or a service company.

The red lamp 
is lighted, or 
blinks

Turned OFF

Blinking of the 
red lamp

The cooling fan is not operating. Turn the power OFF and wait approxi-
mately 20 minutes. After the main unit has cooled down, please make 
confirmation that no foreign matter has become caught in the fan, etc. 
After performing any needed maintenance, turn the power ON again; if 
the same display is displayed, then please contact a sales store or a 
service company.

The red lamp 
is lighted, or 
blinks

Turned OFF

The red lamp is 
lighted

There is a possibility that the interior portion has become heated. Turn 
the power OFF and wait approximately 20 minutes. After the main unit 
has cooled down, please confirm whether or not there is blockage of the 
air passage aperture, whether or not the filter is dirty, and/or whether or 
not the peripheral temperature exceeds 35°C, etc. After performing any 
needed maintenance, turn the power ON again; if the same display is 
displayed, then please contact a sales store or a service company.

The green 
lamp is lighted

Alternative blinking with the red 
lamp

There is a possibility that the interior portion has become overcooled. 
Please use the unit within the usage temperature parameters (0°C to 
35°C). After performing any needed maintenance, turn the power ON 
again; if the same display is displayed, then please contact a sales store 
or a service company.

The green 
lamp is lighted

Simultaneous blinking with the 
red lamp

This is a notification that it is time to clean the filter. After cleaning the fil-
ter, operate the FILTER TIME portion of the OPTION Menu, and perform 
reset of the FILTER TIME.