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3-12
EMP-822/EMP-83/EMP-X5/EMP-S5
SEIKO EPSON
Revision:A
3.3.2 Abnormality Check
Flowchart 3-2 Abnormality Check
START
Yes
Any abnormal noises?
No
Yes
Overheated?
No
Yes
Any visual abnormality?
No
Yes
Any abnormal smell or
anything burning?
No
END
Check the fans for any foreign objects around them.
The cause might be a malfunction of the power supply unit
(pulse transformer vibration, etc.).
Check the thermistors and Safety Switch for malfunction.
Check the fans for dirt or abnormality.
Check the Air Filiter for dirt.
Check the Optical Engine for malfunction.
Check for Malfunction of Optical Engine.
Check for dirt/deformation on: Light Guide Unit,
Projection Lens, Light Valves.
Check for burn on the cables from heat.
Check for burn of dust from heat.