Problem Solving Chart (Check this before contacting Customer Support)

Phenomena

Possible Cause

Recommended Action

Page No.

 

 

 

 

 

 

Turn Main Power Switch ON

 

 

 

Insert power cord into an AC socket

 

 

Main Power switch is not ON

After power is turned off, wait at

 

 

least 60 seconds before turning

 

 

Power cord is disconnected

 

Power cannot be turned on

power on again

6, 7

60 seconds have not elapsed

Check to see make sure that the

 

since the power was turned off

 

 

ventilation holes are not blocked

 

 

Inside the projector is too hot

 

 

Clean the air filter

 

 

 

 

 

 

Verify that operating enviornment

 

 

 

of projector is under 35° C

 

 

 

Select correct input source using

7, 10

 

Input source is not set correctly

INPUT button on projector or

No picture or sound

 

by accessing the INPUT menu

 

Wiring to projector is not correct

 

 

Verify cable(s) are connected

5

 

 

 

 

correctly

 

 

 

 

 

Verify cable(s) are connected

5

 

Wiring to projector is not correct

correctly

 

 

Picture without sound

Press the VOLUME (+) button on

7

Volume is set to minimum

the Remote Control Unit

 

Projector is in Mute mode

 

 

Press MUTE button on projector or

5, 7

 

 

 

 

Remote Control Unit

 

 

 

 

Wiring to projector is not correct

Verify cable(s) are connected

6, 7

Sound without picture

correctly

5, 9

Brightness is set to minimum

On either projector or Remote

 

Lens cap is attached

Control Unit, press MENU button,

 

 

 

select BRIGHT, and increase.

 

Color and Tint are incorrect

Color and Tint are adjusted

Adjust COLOR and TINT

9

incorrectly

 

 

 

Picture is dark

Brightness and Contast are not

Adjust BRIGHT(Brightness) and

9

adjusted correctly

CONTRAST

 

 

 

 

 

 

Picture is not clear

Image is out of focus

Adjust focus using FOCUS RING

7

 

 

 

 

LAMP Indicator is lit red*

Lamp is not functioning properly

Turn Power Switch OFF, wait 45

6

minutes; then turn power ON again

 

 

 

 

 

Be sure to follow this procedure in

 

Mouse Emulation feature is

Mouse cable was connected

this order: (1) connect mouse cable,

13

(2) power-on projector, (3) turn PC on.

 

not working (using Remote

after the power was turned on

Verify that RGB (computer) signal

 

Control Unit as a mouse)

RGB signial was not selected

is being input and verify that correct

10

 

 

signal is selected (INPUT menu)

 

 

 

 

 

--either RGB1 or RGB2.

 

 

 

 

 

 

 

 

15

ViewSonic PJL855

Troubleshooting