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Chapter 5
Maintenance — 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 filter clogging
f
Clean the air filter 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 filter unit not installed
f
Attach the air filter unit.
U81
Low AC voltage warning (below 90 V)
f
The input supply voltage is low. Use electric
wiring that can sufficiently 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