3-6
EMP-822/EMP-83/EMP-X5/EMP-S5
SEIKO EPSON
Revision:A
3.2.2 Troubleshooting from the Error Code
Figure 3-2 Flowchart of Troubleshooting from the Error Code
The troubleshooting to each error is explained below.
Error
Status
(AS menu)
Cause
Point to be checked
Remedy (Part to be improved/Reference)
Internal
overheat
(TH)
Overheating due to the
clogging of the filter
Filter’s condition
Replace the Air Filter Assy.
•
Air Filter
Overheating due to the
blocking of ventilation
space
Abnormality of the
external parts that causes
the blocking
If damaged, replace the parts.
•
Chapter 4 "Disassembly/Assembly" (p. 1)
Failure of the thermistor
Abnormality of the ther-
mistor
If damaged, replace the thermistor.
•
TH Board Assy.
•
PS Ballast Assy.
Damaged thermal
parameters
Status of the parameters
Download the parameters again. (Backing up is
required.)
Fan error
(FN)
Broken fin
Abnormal sound of the
fan
Replace the fan.
•
EX Fan
•
Intake Fans
•
Lamp Fan
Abnormal revolutions of
the fan
Fan’s condition
If damaged, replace the fan.
•
EX Fan
•
Intake Fans
•
Lamp Fan
Fan error
(FN)
Inappropriate connec-
tion of connectors
Connection status
If not appropriate, correct the connection.
•
Condition of cables/con-
duction state
Replace the fan.
(due to the damaged cable)
•
EX Fan
•
Intake Fans
•
Lamp Fan
Fan error
(FN)
Accumulation of dust on
the fan
Influence of accumulated
dust to the revolution of
fan
Clean the fan.
•
EX Fan
•
Intake Fans
•
Lamp Fan
Abnormality of the
micro-computer
TBD
Replace the Optical Engine and MAB set.
•
MA Board Assy.
•
)
The thermal parameters
are broken
TBD
Re-download the parameters.
(Backing up the data is needed.)
★
Checking Error Code
START
Repair or replace the failed parts.
Chapter 4 "Disassembly/Assembly" (p. 1)
)
Check the Error Code from AS menu.
(
5.1 "AS (After Service) Menu" (p. 2)
★
Repairing/Replacement
(If the image cannot be projected, connect PC to the service ter-
minal and check the code from the AS menu.)