EB-S01/W01/X14G/S11/X11/S02/S02H/X02/W02/S12/S12H/X12/W12/X14 EH-TW480
Troubleshooting CONFIDENTIAL
SEIKO EPSON 31 Revision C
2.4.2 Troubleshooting based on LED Indications
This section describes the LED error indications and corresponding error codes and their remedies.
ON Blink OFF
LED Status
Corresponding error code
and error name
Remedy Reference
Internal error (1)
RO ROM error
1. Disconnect the AC cable once, and reconnect it, then turn the
power back on.
2. If the same error occurs, connect the PC to the projector and check
the error code on the AS Menu, then carry out the remedy referring
to the reference on the right column.
" Troubleshooting from the
Error Code on Electric Circuit
Errors (p37)"
II I2C error
ID DR error
IV Video sub-processor error
Internal error (2)
RA RAM error
Fan error
Sensor error
FN Fan error
1. Check the connection between each fan/sensor and MA Board. If
there is a connection failure, connect it correctly.
2. If the same error occurs after turning the power on, connect the PC
to the projector and check the error code on the AS Menu, then
carry out the remedy referring to the reference on the right column.
1. "3.3.6 MA Board (assembly)
(p74)"
2. " Troubleshooting from the
Error Code on Cooling
System Errors (p35)"
SE Sensor error
High Temp error
(overheating)
TH High Temp error
1. Check the Air Filter's condition (dirt accumulation, clogging etc.).
When clogging or similar is found, clean/replace the filter.
2. If the same error occurs after turning the power on, connect the PC
to the projector and check the error code on the AS Menu, then
carry out the remedy referring to the reference on the right column.
1. "3.3.1 Air Filter (p59)"
2. " Troubleshooting from the
Error Code on Cooling
System Errors (p35)"