ViewSonic PJ551D - XGA DLP Projector User's Guide download pdf (Page 25)

ViewSonic PJ500/PJ550/PJ501/PJ551 22

NOTE

(about overheating)

When the internal temperature rises too high, POWER to the unit switches OFF as a safety precaution;

the LED lamp indicator turns OFF. Set the POWER switch to [0] and wait 20 minutes until the equipment has cooled sufficiently

before continuing with operation.

Symptom

Before requesting repair, refer to the chart below. If the problem cannot be corrected, contact your

dealer.

Blinks/

Lights red

Lights red Turns off Lamp is not lit.

The interior of the equipment may be too hot. Switch POWER OFF,

wait 20 minutes until the equipment cools, and check whether the

ventilation openings are blocked, whether the air filter is dirty, or

whether the ambient temperature exceeds 95°F (35°C). And switch

POWER ON again.

Replace the lamp if the same problem occurs again.

Blinks/

Lights red

Blinks red Turns off Lamp or lamp cover is not found, or hasn’t been fitted in correctly.

Switch POWER OFF, and wait for 45 minutes until the equipment

cools. Check fitting of the lamp and lamp cover, and switch POWER

ON again.

Contact your dealer if the same problem occurs again.

Blinks/

Lights red

Turns off Blinks red The cooling fan is not operating.

Switch POWER OFF, and wait for 20 minutes until the equipment

cools. Check for foreign matter in the fan, and switch POWER ON

again.

Contact your dealer if the same problem occurs again.

Blinks/

Lights red

Turns off Lights red The interior of the equipment is too hot. See

NOTE: (about

overheating)

below.

Switch POWER OFF, and wait for 20 minutes until the equipment

cools. Check whether the ventilation openings are blocked., whether

the air filter is dirty, or whether the ambient temperature exceeds 95°F

(35°C). Then switch POWER ON again.

Contact your dealer if the same problem occurs again.

Lights green Blinks red

alternately

with TEMP

indicator

Blinks red

alternately

with LAMP

indicator

The interior of the equipment is too cool.

Check whether the ambient temperature is below 32°F (0°C). Contact

your dealer if the same problem occurs when the ambient temperature

is 32°F ~ 95°F (0°C ~ 35°C).

Lights green Blinks red

synchronizing

with TEMP

indicator

Blinks red

synchronizing

with LAMP

indicator

The air-filter has been used for 100 hours or more.

Clean the filter, then reset the filter timer.

Table 12: Symptom

Symptom Possible cause Remedy Page

No power

The main POWER switch

is not turned on.

Turn on the main POWER switch. page 9

The power cord is

disconnected.

Plug the power cord into an AC power outlet. page 7

No video or

audio

The Input is not correctly

set.

Use INPUT button on projector control pad or remote control

to select input source.

page 10

No signal input. Connect correctly. page 7,8

Table 11: Indicator Messages (Continued)

POWER

indicator

LAMP

indicator

TEMP

indicator

Meaning or Action Required

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 31 32

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ViewSonic PJ551D - XGA DLP Projector User's Guide Page 25

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