Epson 5020UB Manuel D’Utilisation

Problem Solving

■

Make sure the power cord is connected and the power switch on the back of the projector 
is turned on. Then wait a moment for the Ppower button to light up before pressing the 
P

power button on the projector or the 

On

 button on the remote control.

■

If you’ve set the 

Control Panel Lock

, the control panel buttons are disabled; you must 

use the remote control to turn on the projector (see page 37).

■

If you’ve set the 

Child Lock

, you have to press the Ppower button on the projector for 3 

seconds to turn on the projector, or use the remote control (see page 37).

No Signal 

 

■

Press one of the 

Source

 buttons on the remote control, or press the 

source button 

on the projector, to select the correct input source. Allow a few seconds for the projector 
to sync up after pressing the button.

■

Press the 

Blank 

button on the remote control to make sure the picture hasn’t been turned 

off temporarily.

■

Check that the power light is on and not flashing, and the lens cover is open.

■

The projector may be in standby (or sleep) mode. If the Ppower button is lit and the 

power light is off, press the Ppower button to turn the projector back on. 

■

Make sure your video equipment is turned on.

■

Make sure your cable(s) are connected correctly (see page 18).

The temperature 
light flashes red

There is a fan or sensor problem. Turn off the projector and 
unplug it from the electrical outlet. Then contact Epson for 
assistance (see page 86).

Both warning 
lights are 
flashing red

There is an internal problem.

 

Turn off the projector and unplug it 

from the electrical outlet. Then contact Epson for assistance (see 
page 86).