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ViewSonic PJ750 21
Indicator Message
The POWER indicator, LAMP indicator, and TEMP indicator are lit and blank as follows. Take the
appropriate measures.
Table 10: Indicator Message
NOTE:
(*1) When the internal temperature becomes excessive power is switched OFF automatically for
safety reasons, and the indicator is extinguished. Set the power switch to [O] and wait for 20 minutes
until the equipment has cooled sufficiently.
POWER
indicator
LAMP
indicator
TEMP
indicator
Contents
Lit
orange
Turns off Turns off The Standby mode has been set.
Blinks
green
Turns off Turns off Warming up. Please wait.
Lit
green
Turns off Turns off ON. Normal operation possible.
Blinks
orange
Turns off Turns off Cooling down. Please wait.
Blinks red - -
Cooling. Please wait.
The error has been detected. Take the appropriate measures
when the POWER indicator stops blinking.
Blinks/
Lit red
Lit 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 35
°C. Switch power ON again. Replace the lamp if the same
problem occurs.
Blinks/
Lit 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/
Lit 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 matters in the fan, and switch power
ON again. Contact your dealer if the same problem occurs
again.
Blinks/
Lit red
Turns off Lit red
The interior of the equipment is too hot.(*1)
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 35 °C. Then switch power
ON again. Contact your dealer if the same problem occurs
again.
Lit green Blinks red
Blinks
red
The interior of the equipment is too cool.
Check whether the ambient temperature is below 0°C. Contact
you dealer if the same problem occurs when the ambient
temperature is 0~35 °C.