58
Troubleshooting
Regarding the indicator lamps
When operation of the LAMP, TEMP and POWER indicators differs from usual, 
check and cope with it according to the following table.
POWER 
indicator
LAMP 
indicator
TEMP 
indicator
Description
Lighting
In 
Orange
Turned
off
Turned
off
The projector is in a standby state.
Please refer to the section “Power on/off”.
Blinking
In 
Green
Turned
off
Turned
off
The projector is warming up.
Please wait.
Lighting
In 
Green
Turned
off
Turned
off
The projector is in an on state.
Ordinary operations may be performed.
Blinking
In 
Orange
Turned
off
Turned
off
The projector is cooling down.
Please wait.
Blinking
In 
Red
(discre-
tionary)
(discre-
tionary)
The projector is cooling down. A certain error 
has been detected.
Please wait until POWER indicator fi nishes blinking, 
and then perform the proper measure using the item 
descriptions below.
Blinking
In 
Red
or
Lighting
In 
Red
Lighting
In 
Red
Turned
off
The lamp does not light, and there is a possibility 
that interior portion has become heated.
Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
suffi ciently cooled down, please make confi rmation of 
the following items, and then turn the power on again.
• Is there blockage of the air passage aperture?
• Is the air fi lter dirty?
• Does the peripheral temperature exceed 35°C?
If the same indication is displayed after the remedy, 
please change the lamp referring to the section 
“Replacing the lamp”.
Blinking
In 
Red
or
Lighting
In 
Red
Blinking
In 
Red
Turned
off
The lamp cover has not been properly fi xed. 
Please turn the power off, and allow the projector to 
cool down at least 45 minutes. After the projector has 
suffi ciently cooled down, please make confi rmation of 
the attachment state of the lamp cover. After performing 
any needed maintenance, turn the power on again. 
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
Blinking
In 
Red
or
Lighting
In 
Red
Turned
off
Blinking
In 
Red
The cooling fan is not operating.
Please turn the power off, and allow the projector to 
cool down at least 20 minutes. After the projector has 
suffi ciently cooled down, please make confi rmation 
that no foreign matter has become caught in the fan, 
etc., and then turn the power on again.
If the same indication is displayed after the remedy, 
please contact your dealer or service company.
(Continued on next page)