Epson EMP-822 Service Manual page 30

Indicator Status
SEIKO EPSON
EMP-822/EMP-83/EMP-X5/EMP-S5
Table 3-2. LED Indicator Status (Error)
Projector
Status
[Status]
Abnormality is detected from any of the fans or the sensors mounted on
the projector. (Fan's abnormality: irregular revolution/disconnection,
Sensor's abnormality: irregular value detected/disconnection)
[Remedy]
Fan Error Check the connections between the fans/sensors and the MA board. If
Sensor Error the same error occurs after improvement, replace the Optical Engine and
MAB set because the MA board is broken. (refer to
nection and Projector's Status" (p. 9)
Engine and MAB set(1) (MA Board Assy.) /IF Case" (p. 26)
"Removing the Optical Engine and MAB set (2) (Optical Engine)" (p.
39))
[Phenomenon]
The lamp turns off automatically, and the projection stops. Left the pro-
jector for 5 minutes untouched, it switches to the standby mode.
[Status]
The internal temperature rises over the specified level. (The TH sensor
High Temp Error
detects overheating.)
(overheating)
(refer to
[Remedy]
Check the Air Filter's condition (dirt accumulation, clogging) When
clogging or the like is found, clean/replace the filter.
(refer to
[Status]
Abnormality occurs to the lamp and the ignition/illumination processes
fail, or the Lamp Lid is not securely closed.
[Remedy]
Check the following one by one. After checking and improving, turn on
the power again and check if the same error occurs again.
• Whether the Lamp Lid is securely fixed. Check the Lamp
Lid, and fix it securely if it is loose/open.
• Whether the lamp is securely fixed. Check the lamp and fix it
securely if it is loose.
Lamp problem
• Whether the lamp is broken/damaged. Take out and check
Lamp failure
the lamp for damage. If the lamp is not cracked: Re-fit the
Lamp cover is open
lamp and turn on the power. If the error continues, replace
the lamp with a new one. If the lamp is broken/damaged,
replace it with a new one.
(refer to
• The Air Filter's condition (dirt accumulation, clogging)
When clogging or the like is found, clean/replace the filter.
(refer to
When using the projector at an altitude of 1500 m or more, set "High
Altitude Mode" to "On"
Problem and Remedy
3.3.2 "Abnormality Check" (p.
4.3.2 "Removing the Air Filter Assy." (p.
4.3.1 "Removing the AS Lamp Unit" (p.
4.3.2 "Removing the Air Filter Assy." (p.
3-4
3.2.3 "Cable Con-
/ 4.4.2 "Removing the Optical
/ 4.4.5
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