Warning Indication

About warning indicators

If something abnormal has occurred in the projector, the warning mode sets in and the type of abnormality will be indicated by a combination of indicators displayed on the control panel as shown in the following table.

The projector will then automatically stop projection and run the cooling fan for about 90 seconds.

No.

 

 

 

 

 

Indicator

 

 

 

 

 

 

Warning

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LAMP

 

TEMP

 

STAND BY

 

OPERATE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

Blink

 

 

 

 

Blink

 

 

 

The light-source lamp does not light up and projection cannot be done.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

Blink

 

 

 

 

Blink simultaneously

 

 

 

 

Blink

The light-source lamp suddenly goes off during projection.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

Blink

 

 

Blink

 

 

 

 

 

 

 

Circuit operation is abnormal.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

Blink

 

 

 

 

Blink alternately

 

 

 

 

Blink

The light-source lamp is misfitted.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

Blink

 

 

 

 

 

 

 

The internal temperature is abnormally high.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

Blink

 

Blink

 

 

 

The temperature at the air inlets has risen abnormally high.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

Blink

 

 

Blink

 

Blink

 

 

Blink

The cooling fan has stopped. (Fan locked)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*For details on individually blinking indicators, please see page 43.

Action to be taken upon warning indications

Please follow the procedures below.

For No.1-3

No.1 : Unplug from the main power outlet and restart according to the basic operation procedures.

No.2 : After checking if a shock (such as from knocking) has not ocurred during operation, unplug from the main power outlet and restart according to the basic operation procedures.

No.3 : Unplug from the main power outlet and restart according to the basic operation procedures.

For No.4-7

After the STAND BY indicator lights up, pull out the power cord and check the following items one-by one. No.4 : Ensure that the lamp is correctly set in place. Restart according to the basic operation procedures.

No.5 : Check that nothing is blocking the air inlets, and wait until the inside cools down. Restart according to the basic operation procedures.

No.6 : Check the ambient temperature. If it is normal, leave the projector until it cools down. Restart according to the basic operation procedures.

No.7 : Leave the projector until it cools down. Restart according to the basic operation procedures.

If the same warning indication is observed again despite the instructions above, wait for the cooling fan to stop, check that the STAND BY indicator on, then unplug the power cord and call your dealer for repair.

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JVC DLA-SX21U manual  About warning indicators,  Action to be taken upon warning indications, Indicator