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Error/warning display
U290
U291
U300
U301
U303
U304
U353
U390
Note
f The self-diagnosis display and the details of the malfunction may be different.
f For errors and warnings that are not described in the table, consult your dealer.
r Measure for error and warning
Action
number
The operating environment temperature is either too high or too low. Use the projector in an appropriate operating
1
environment temperature
The operating environment temperature is too high, or the exhaust vent may be blocked. Use the projector in an appropriate
2
operating environment temperature
3
The input supply voltage is low. Use electric wiring that can sufficiently withstand the power consumption of the projector.
4
Battery replacement is required. Consult your dealer.
5
If the display does not clear after switching the main power off and on, consult your dealer.
The light source has failed to turn on. If the light source does not light up after turning the power off and on, consult your
6
dealer.
7
Perform maintenance or replacement of the filter. (x page 199)
The projection lens cannot be detected. Turn off the power and attach the projection lens again. If the display does not clear
8
after switching the power off and on, consult your dealer.
*1 For details of operating environment temperature of the projector, refer to "Operating environment temperature" (x page 229).
206 - ENGLISH
Chapter 6 Maintenance — [SELF TEST] indications
Filter clogging warning
Exhaust filter not installed
Intake temperature error
Exhaust air temperature error
Light source temperature 1 error
Light source temperature 2 error
Power supply temperature error
Filter clogging error
.
*1
. Or remove any objects that are blocking the exhaust vent.
*1
Details
Measure
Action number
7
7
1
2
1
1
1
7
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