Panasonic PT-L720U manual Indicators, Remedy

Models: PT-L720U

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Indicators

There are two indicators on the control panel of the projector which give information about the operating condition of the projector. These indicators illuminate or flash to warn you about problems that have occurred inside the projector, so if you notice that one of the indicators is on, turn off the power and check the table below for the cause of the problem.

TEMP indicator

Indicator

Illuminated (red)

Flashing (red)

Flashing (red)

display

(Lamp unit on)

(Lamp unit on)

(Lamp unit off)

 

 

 

 

 

The surrounding

The temperature

The surrounding

 

temperature or the

inside the projector

temperature or the

 

temperature inside

has become

temperature inside

 

the projector has

dangerously high, or

the projector has

 

become unusually

the temperature has

become dangerously

Problem

high.

suddenly changed.

high, causing the

 

 

 

lamp unit to be

 

 

 

automatically shut

 

 

 

off.

 

 

 

 

Possible

BThe ventilation holes may be covered.

 

BThe ambient temperature in the place of use may be too high.

cause

BThe air filter may be blocked.

 

 

 

 

 

 

BUncover the ventilation holes.

 

 

BSet up the projector in a place where the temperature is

 

between 0 °C (32 °F) and 40 °C (104 °F) and the humidity is

 

between 20% and 80% (with no condensation). [If you set the

Remedy

FAN CONTROL to “HIGH” (page 41), set up the projector in a

place where the temperature is between 0 °C (32 °F) and 35 °C

 

 

(95 °F) and the humidity is between 20% and 80% (with no

 

condensation).]

 

 

 

BTurn off the MAIN POWER switch by following the procedure

 

on page 27, and then clean the air filter (refer to page 48).

 

 

 

 

 

LAMP indicator

 

 

 

 

 

Indicator

Illuminated (red)

Flashing (red)

display

 

 

 

 

 

 

 

 

It is nearly time to

An abnormality has been detected in the lamp

Problem

replace the lamp

circuit.

 

 

unit.

 

 

 

 

 

 

 

BDoes “REPLACE

BThe power may

BThere may be an

Possible

LAMP” appear on

have been turned

abnormality in the

the screen after

on straight away

lamp circuit.

cause

the projector is

after it was turned

 

 

 

 

turned on?

off.

 

 

 

 

 

 

BThis occurs when

BWait for a while

BTurn off the MAIN

 

the operation time

until the lamp unit

POWER switch by

 

for the lamp unit is

cools down before

following the

 

nearing 1 800

turning the power

procedure given

 

hours. (when

back on again.

on page 27, and

 

LAMP POWER

 

then contact an

Remedy

has been set to

 

Authorised

“HIGH”) Ask your

 

Service Center.

 

 

 

dealer or an

 

 

 

Authorised

 

 

 

Service Center to

 

 

 

replace the lamp

 

 

 

unit.

 

 

 

 

 

 

NOTE:

 

 

 

BBe sure to turn off the MAIN POWER switch by following the procedure given in “Turning off the power” on page 27 before carrying out any of the procedures in the “Remedy” column.

BIf the main power turns off after the TEMP indicator starts flashing, it means that an abnormality has occurred. Please contact an Authorised Service Center so that the necessary repairs can be made.

Others

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Panasonic PT-L720U manual Indicators, Remedy