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Chapter 5 Maintenance — Self-diagnosis display
152 - ENGLISH
Self-diagnosis display
The projector has a self-diagnosis display on its side to show errors or warnings automatically. (x page 30)
In the following cases, the self-diagnosis display is ipped upside down.
f When [COOLING CONDITION] (x page 96) is set to [AUTO], and the automatically recognized result displayed in [COOLING
CONDITION] on the [STATUS] screen is [AUTO - CEILING].
f When [COOLING CONDITION] (x page 96) is set to [CEILING SETTING].
Self-diagnosis display Details Measure
U04 Air lter clog f Clean the air lter unit.
U11 Intake temperature warning
f The operating environment temperature is too
high.
U12 Optical module temperature warning
U13 Lamp surrounding temperature warning
f The operating environment temperature is too
high, or the air exhaust port might be blocked.
U14 Low temperature warning f The operating environment temperature is too low.
U21 Intake temperature error
f The operating environment temperature is too
high.
U22 Optical module temperature error
U23 Lamp surrounding temperature error
f The operating environment temperature is too
high, or the air exhaust port might be blocked.
U24 Low temperature error f The operating environment temperature is too low.
U30 Installation angle error
f Use the projector at an angle not exceeding ±15°
from the horizontal plane.
U35 Non-compatible lamp warning
f The lamp unit for portrait mode is attached.
Replace the lamp unit with one compatible with the
projector.
U41 Lamp 1 runtime warning
f It is time to replace the lamp unit. Replace the
lamp unit.
U42 Lamp 2 runtime warning
U43 Lamp 3 runtime warning
U44 Lamp 4 runtime warning
U51 Lamp 1 error
f Failed to light the lamp. Turn the power on again
after the lamp is cooled. If the lamp still does not
light, consult your dealer.
U52 Lamp 2 error
U53 Lamp 3 error
U54 Lamp 4 error
U61 Lamp 1 runtime has exceeded 3 000 hours
f It is past the time to replace the lamp unit. Replace
the lamp unit immediately.
U62 Lamp 2 runtime has exceeded 3 000 hours
U63 Lamp 3 runtime has exceeded 3 000 hours
U64 Lamp 4 runtime has exceeded 3 000 hours
U71 Lamp 1 not installed
f Attach the lamp unit.
U72 Lamp 2 not installed
U73 Lamp 3 not installed
U74 Lamp 4 not installed
U76 Air lter unit not installed f Attach the air lter unit.
U78 Clog sensor error
f Clean or replace the air lter unit. (x page 143)
U81 Low AC voltage warning (below 170 V)
f The input supply voltage is low. Use electric
wiring that can sufciently withstand the power
consumption of the projector.
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 Lamp surrounding temperature sensor not present
H18 Clog sensor not present
F00 Liquid cooling pump R warning
f If the display does not clear after switching the
main power off and on, consult your dealer.
F01 Liquid cooling pump G warning
F02 Liquid cooling pump B warning
F11 Shutter error
F12 Dynamic iris error
F13 Air lter unit error
F15 Luminance sensor error
F16 Angle sensor error