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Chapter 5Maintenance — Self-diagnosis display
ENGLISH - 189
Self-diagnosis display
There is a self-diagnosis display on the side of the projector. Self-diagnosis display will automatically display the
value of the input supply voltage, or details of errors or warnings when they occur. (x page 29)
The following list shows the alphanumeric symbol that is displayed when an error or a warning has occurred and
its details. The input supply voltage is displayed only with the numeric value.
Error/warning display Details Measure
U04 Air lter clogging f Clean the air lter unit.
U11 Intake temperature warning f The operating environment temperature is too
high. Use the projector in an appropriate operating
environment temperature
*1
.
U12 Optical module temperature warning
U13 Exhaust air temperature warning
f The operating environment temperature is too
high, or the air exhaust port may be blocked.
Use the projector in an appropriate operating
environment temperature
*1
. Or remove any objects
that are blocking the air exhaust port.
U14 Low temperature warning
f The operating environment temperature is too
low. Use the projector in an appropriate operating
environment temperature
*1
.
U16 Light source 1 temperature warning
f The operating environment temperature is too
high. Use the projector in an appropriate operating
environment temperature
*1
.
U17 Light source 2 temperature warning
U21 Intake temperature error
U22 Optical module temperature error
U23 Exhaust air temperature error
f The operating environment temperature is too
high, or the air exhaust port may be blocked.
Use the projector in an appropriate operating
environment temperature
*1
. Or remove any objects
that are blocking the air exhaust port.
U24 Low temperature error
f The operating environment temperature is too
low. Use the projector in an appropriate operating
environment temperature
*1
.
U25 Light source 1 temperature error f The operating environment temperature is too
high. Use the projector in an appropriate operating
environment temperature
*1
.
U26 Light source 2 temperature error
U76 Air lter unit not installed f Attach the air lter unit.
U81 Low AC voltage warning (below 90 V)
f The input supply voltage is low. Use electric
wiring that can sufciently withstand the power
consumption of the projector.
UA0 Power supply temperature warning
f The operating environment temperature is too
high. Use the projector in an appropriate operating
environment temperature
*1
.
UA1 FPGA temperature warning
UA4 Power supply temperature error
UA5 FPGA temperature error
H01 Battery replacement for the internal clock
f Battery replacement is required. Consult your
dealer.
H11 Intake temperature sensor not present
f If the display does not clear after switching the
main power off and on, consult your dealer.
H12 Optical module temperature sensor not present
H13 Exhaust air temperature sensor not present
H14 Light source 1 temperature sensor not present
H15 Light source 2 temperature sensor not present
H18 Clog sensor not present
F00 Liquid cooling pump 1 warning
f If the display does not clear after switching the
main power off and on, consult your dealer.
F01 Liquid cooling pump 2 warning
F11 Shutter error
F15 Luminance sensor error
189


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