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Self-diagnosis display
ENGLISH - 153
Maintenance
Self-diagnosis display
A self-diagnosis display which automatically displays errors and warnings, and their details, is placed on the side
of the projector. (
page 25)
Self-diagnosis
display
Details Measure
U04 Air lter clog
z
Clean the air lter unit.
U11 Intake temperature warning
z
The ambient temperature is too high.U12 Optical module temperature warning
U13
Lamp surrounding temperature warning
U14 Low temperature warning
z
The ambient temperature is too low.
U21 Intake temperature error
z
The ambient temperature is too high.U22 Optical module temperature error
U23 Lamp surrounding temperature error
U24 Low temperature error
z
The ambient temperature is too low.
U30
Installation angle error
z
Do not use the projector tilted at an angle that exceeds
±15° from the horizontal plane.
U41
Lamp 1 cumulative operation time error
z
It’s time to replace the lamp unit. Replace the lamp
unit.
U42
Lamp 2 cumulative operation time error
U43
Lamp 3 cumulative operation time error
U44
Lamp 4 cumulative operation time error
U51 Lamp 1 error
z
Failed to light the lamp. Switch the power on again
after letting the lamp cool down. If the lamp still doesn’t
light up, consult your dealer.
U52 Lamp 2 error
U53 Lamp 3 error
U54 Lamp 4 error
U61
The cumulative operation time of
Lamp 1 has exceeded 2 000 hours
z
The lamp unit’s replacement period has been
exceeded. Replace the unit immediately.
U62
The cumulative operation time of
Lamp 2 has exceeded 2 000 hours
U63
The cumulative operation time of
Lamp 3 has exceeded 2 000 hours
U64
The cumulative operation time of
Lamp 4 has exceeded 2 000 hours
U71 Lamp 1 not installed
z
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
z
Attach the air lter unit.
U78 Clog sensor error
z
Clean the air lter unit or replace it. (
page 144)
U81
Low AC voltage warning (below 170 V)
z
The power voltage input is low. Dedicate an outlet
for the electrical wiring for the projector’s power
consumption.
H01
Battery replacement for the internal clock
z
Battery replacement is required. Consult your dealer.
H11 Intake temperature sensor not present
z
When the display does not clear even after switching
the main power on and off, consult your dealer.
H12
Optical module temperature sensor
not present
H13
Lamp surrounding temperature sensor
not present
H18 Clog sensor not present