Panasonic PT-LB80NTU User Manual

If a problem should occur with the projector, the LAMP and/or TEMP indicators 
will inform you. Manage the indicated problems as follow.

1. Confirm the status of all indicators and projector, and switch off the 

projector in proper way.
 

2. Find out the cause of the problem by status of the LAMP and/or TEMP 

indicators.

3. Follow the instruction for each indication below and solve the problem.
4. Turn on the projector in the correct way and confirm the indicator is not 

indicating a problem any longer.

J

J

• If no problem is found or the problem remains, do not turn on the projector. Instead contact an Authorized Service Center.

Illuminating red

Flashing red

LAMP RUNTIME has 
reached 2 800 hours.

LAMP circuit failure, abnormal function or the lamp unit is damaged.

Lamp unit will run out 
soon and needs to be 
replaced.

The projector is switched 
on again too soon.

LAMP circuit failure, 
abnormal function.

Lamp unit is damaged.

Let the lamp unit cool 
down and turn on the 
projector after 
90 seconds.

Switch off the projector 
and contact an Authorized 
Service Center.

Illuminating red while projecting and the alert will be displayed.
Flashing red and power is turned off

The temperature inside and/or outside the projector is abnormally high.

 

The projection may becomes darker than usual.

 

The internal fan operational noise may be louder than usual.

The ventilation openings 
are covered.

The room temperature is 
too high.

The filter is excessively 
dirty and the ventilation is 
poor.

The projector is located at 
1 400 - 2 700 m (4 593 - 
8 858  ft).

Remove the object(s) 
from the ventilation 
openings or clear around 
the projector.

Reinstall the projector in 
temperature controlled 
place. See page 48.

Clean the filter in the 
proper method. See 
page 40.

Turn on the projector

*1

 

and set the ALTITUDE to 
HIGH. See page 35.

*1. The projector will perform 2 minutes with LOW setting at high elevation.