Panasonic PT-LB78U LAMP and TEMP Indicators, Managing the indicated problems, LAMP indicator

Models: PT-LB78U

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LAMP and TEMP Indicators

LAMP and TEMP Indicators

Managing the indicated problems

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.

See “Switching the projector on/off” on page 18.

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.

LAMP TEMP

NOTE:

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

LAMP indicator

Indicator

Illuminating red

Flashing red

 

 

 

 

 

 

 

 

 

Problem

LAMP RUNTIME has

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

 

reached 2 800 hours.

 

 

 

 

 

 

Cause

Lamp unit will run out

The projector is switched

LAMP circuit failure,

 

 

soon and needs to be

Lamp unit is damaged.

 

on again too soon.

abnormal function.

 

 

replaced.

 

 

 

 

 

 

 

 

 

Let the lamp unit cool

Switch off the projector

 

 

Remedy

See “Replacing the Lamp

down and turn on the

See “Replacing the Lamp

 

and contact an Authorized

 

unit” on page 41.

projector after

unit” on page 41.

 

 

 

90 seconds.

Service Center.

 

 

 

 

 

 

 

TEMP indicator

 

 

 

 

 

 

 

 

Indicator

Illuminating red while projecting and the alert will be displayed.

 

 

Flashing red and power is turned off

 

 

 

 

 

 

 

Problem

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.

 

 

Cause

The ventilation openings

The room temperature is

The filter is excessively

The projector is located at

 

dirty and the ventilation is

1 400 - 2 700 m (4 593 -

 

are covered.

too high.

 

 

poor.

8 858 ft).

 

 

 

 

 

 

Remove the object(s)

Reinstall the projector in

Clean the filter in the

Turn on the projector*1

 

Remedy

from the ventilation

 

temperature controlled

proper method. See

and set the ALTITUDE to

 

openings or clear around

Maintenance

 

place. See page 48.

page 40.

HIGH. See page 35.

 

the projector.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

ENGLISH - 39

Page 39
Image 39
Panasonic PT-LB78U LAMP and TEMP Indicators, Managing the indicated problems, LAMP indicator, TEMP indicator, English