Chapter 5 Maintenance — [SELF TEST] indications
ENGLISH - 171
[SELF TEST] indications
Details and measures for the alphanumeric symbols indicated in [SELF TEST] from the [PROJECTOR SETUP]
menu → [STATUS] (x page 122) are as follows.
Self-test indication Details Measure
U04 Filter clog f Replace the air lter.
U11 Intake air temperature warning f The operating environment temperature is too
high. Install the projector in a location with the
operating environment temperature between 0 °C
(32 °F) and 45 °C (113 °F).
U12 Optical module temperature warning
U13 Exhaust air temperature warning
U14 Low temperature warning
f The operating environment temperature is too low.
Install the projector in a location with the operating
environment temperature between 0 °C (32 °F)
and 45 °C (113 °F).
U15 Light output limitation
f Install the projector in a location with the operating
environment temperature of 40 °C (104 °F) or
lower.
U21 Intake air temperature error f The operating environment temperature is too
high. Install the projector in a location with the
operating environment temperature between 0 °C
(32 °F) and 45 °C (113 °F).
U22 Optical module temperature error
U23 Exhaust air temperature error
U24 Low temperature error
f The operating environment temperature is too low.
Install the projector in a location with the operating
environment temperature between 0 °C (32 °F)
and 45 °C (113 °F).
U30 Portrait warning f Install the projector horizontally (within ±15°).
U41 Lamp 1 runtime warning f It will reach the lamp replacement time. Replace
the lamp unit.
U42 Lamp 2 runtime warning
U51 Lamp 1 failure
f Wait a while until the luminous lamp cools off, and
then turn on the power.
U52 Lamp 2 failure
U61 Lamp 1 runtime exceeded
f It has reached the lamp replacement time. Replace
the lamp unit.
U62 Lamp 2 runtime exceeded
U71 Lamp 1 not attached
f Attach the lamp unit.
U72 Lamp 2 not attached
U76 Air lter not attached f Attach the air lter case.
U81 Low AC voltage warning (below 90 V)
f The input power supply voltage is low. Use electric
wiring that can sufciently withstand the power
consumption of the projector.
U91 Cover open f Securely close the cover.
H01 Battery replacement for the built-in clock
f Battery replacement is required. Consult your
dealer.
H11 Intake air 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 Lamp 1 temperature sensor not present
H15 Lamp 2 temperature sensor not present
H18 Clog sensor not present
F00 Liquid cooling pump warning
f If the display does not clear after switching the
main power off and on, consult your dealer.
F11 Shutter error
F15 Brightness sensor error
F41 Lamp memory 1 not initialized
F42 Lamp memory 2 not initialized
F50 DMD fan warning
F51 Lamp 1 fan warning
F52 Lamp 2 fan warning
F53 Exhaust fan 1 warning
F54 Exhaust fan 2 warning
F55 Color wheel fan warning
F56 Power supply fan warning
F57 Ballast fan warning
F61 Ballast 1 communication error
F62 Ballast 2 communication error
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