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ViewSonic PJ500
2
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 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 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 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 red Turns off Lights red
The interior of the equipment is too hot.
2
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 Blinks red 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).
Table 11: 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 the projector or remote control transmitter to set. page 10
No signal input. Connect correctly. page 7,8
Video is
present but no
audio
The projector is not
correctly connected.
Connect correctly. page 7
page 8
The volume is set to
minimum.
Press VOLUME button on the remote control or display
the menu screen and adjust the volume.
page 15
Mute is turned on.
Press the MUTE button.
page 10
Table 10: Indicator Messages (Continued)
POWER
indicator
LAMP
indicator
TEMP
indicator
Meaning or Action Required