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3-7
EMP-822/EMP-83/EMP-X5/EMP-S5
SEIKO EPSON
Revision:A
Thermistor
error (SE)
Inappropriate connec-
tion of connectors
Connection status
If not appropriate, correct the connection.
•
MA Board Assy.
•
Connecter’s terminal sta-
tus
If damaged, replace the cable/board including
the damaged terminal.
•
MA Board Assy.
•
Disconnection of the
cable
Condition of cables/con-
duction state
Replace the thermistor.
•
TH Board Assy.
•
PS Ballast Assy.
Failure of the sensor
board
Condition of the sensor
board
If damaged, replace the sensor board.
•
TH Board Assy.
•
PS Ballast Assy.
Abnormality of the cir-
cuit
MAB’s condition
Replace the Optical Engine and MAB set.
•
MA Board Assy.
•
Lamp burnt
out (LE)
Abnormal value of the
V-LA (smaller than nor-
mal)
V-LA’s status
Replace the AS Lamp Unit.
•
Broken lamp damaged
in operation
Damage of the lamp
Abnormality of the lamp
due to the breakdown of
the thermistor of the
Ballast
Condition of the PS Air
Filter (dirt, clogging)
Clean/replace the PS Air Filter.
•
Lower Case
Lamp burnt
out (LE)
Malfunction of the ther-
mistor
Condition of the PS Bal-
last Assy.
Replace the PS Ballast Assy. (PS’s Failure)
•
PS Ballast Assy.
Replace the PS Ballast Assy. (Ballast’s failure)
•
PS Ballast Assy.
Instability of the Input
AC power supply.
Quality of the customer’s
power supply
If not appropriate, request the improvement.
Lighting
failure (LF)
Abnormal value of the
V-LA (greater than nor-
mal)
V-LA’s status
Replace the AS Lamp Unit.
•
Abnormal value of the
V-LA (smaller than nor-
mal)
Instability of the Bal-
last’s drive waveform
Replace the PS Ballast Assy. (Ballast’s failure)
•
PS Ballast Assy.
Failure of the lamp
Abnormality of the bulb
(arc tube)
Replace the AS Lamp Unit.
•
Breakage of the molyb-
dic wire
Bend of the lead wire
Adhering of the mercury
Vibrate the Lamp unit.
•
AS Lamp Unit
Lighting fail-
ure (LF)
Failure of the lamp
Short-circuit between the
electrodes
Replace the AS Lamp Unit.
•
Overheating due to the
clogging of the filter
Filter’s condition
Replace the Air Filter Assy.
•
Air Filter
Error
Status
(AS menu)
Cause
Point to be checked
Remedy (Part to be improved/Reference)