Simple troubleshooting
78
Problem Possible cause Solution
The color of the picture
looks pale.
1. The input signal type might not have been
connected properly.
2. The Color is not correct setting.
1. Check to make sure that the connections
between the projector and the input
device are correct.
2. Press Menu to adjust the color related
setting.
The picture ashes
occasionally.
1. The cables might not have been properly
connected or the input device itself may be
faulty.
1. Make sure the connector and the input
device have been properly connected;
check to see if the input device is in
normal working order.
The colors of the projected
picture are out of place (i.e.
displaying red as blue).
The G/Y, R/Pr, B/Pb cables from the input
might have been incorrectly connected to the
input.
Please make sure the input source has been
correctly connected to the projector.
The noise from the cooling
fan suddenly grew louder.
1. The temperature inside the projector might
have risen.
2. The OSD menu set the High mode
1. When the temperature inside the
projector rises, the cooling fan will
operate at a higher speed to discharge the
internal heat more rapidly.
2. Set the Fan Speed to Normal if the
projector is under 4000ft. Refer to “ Page
66 : Fan Speed ”.
The LED indicator on the
projector’s top panel is
blinking in red.
The cooling fan, power....etc. could be faulty. Refer to the denition of “ Page 78 : LED
status ”.
1. During projection, the
light suddenly goes off
and the picture disappears.
2. The lights does not turn on
even when the projector
has been turned on.
The light module might have been damaged;
check the LED indicator on the front of the
projector and see if it is blinking in red.
The light module has reached the end of its
service life; please replace it.
LED status
Error Detail
LED
Power Light Temp Fan
SYS_ERR_NO_ERROR System working well Fix - - -
SYS_ERR_OVERTEMP Over temperature on system (Reserved) - - Fix -
SYS_ERR_T1 T1 sensor open error (Reserved) 3 1 - -
SYS_ERR_THSENSOR0 Thermistor sensor 0 open (Reserved) 3 2 - -
SYS_ERR_THSENSOR1 Thermistor sensor 1 open (Reserved) 3 3 - -
SYS_ERR_THBREAK Thermal break sensor error 4 - - -
SYS_ERR_G794 Thermal IC initial failed (Reserved) 4 1 - -
SYS_ERR_G7932 Fan control IC initial failed Fan1~Fan4 4 2
SYS_ERR_G7931_1 Fan control IC initial failed Fan5~Fan7 4 3
SYS_ERR_G7931_2 Fan control IC initial failed Fan8~Fan9 4 4
SYS_ERR_G781_1 Thermal sensor IC initial failed (CW T2) 4 5
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