EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL
SEIKO EPSON 39 Revision A
TROUBLESHOOTING FROM THE ERROR CODE ON COOLING SYSTEM ERRORS
Error code / Error name Faulty part / Part name Cause Remedy Reference
TH Overheat Error
Air Filter Air Filter is clogging. Clean Air Filter. Replace it if not improved.
3.3.1 Air Filter (p64)
TH1/TH2/TH3 Board TH Board is broken. Replace the broken TH Board.
• 2.4.6 Cable Connection and
Projector’s Status (p51)
• 3.3.6 MA Board (assembly)
(p70)
• 3.3.10.2 TH1 Board (p91)
• 3.3.11.1 TH2 Board / EX
Fan (p93)
• 3.3.17.1 TH3 Board (p105)
Air TH Cable
Lamp TH Cable
PS TH Cable
TH Cable is not connected properly. Connect TH Cable correctly to MA Board.
TH Cable is broken. Replace the broken TH Cable.
Exterior Parts
Vent's status becomes worse. (dirt
accumulation/clogging/deformation)
Clean the vent to remove the foreign material.
• 3.3.3 Rear Case (p66)
• 3.3.4 Front Case (p67)
• 3.3.5 Upper Case (p68)
• 3.3.21 Lower Case (p112)
Replace the parts with deformed vent.
MA Board
Elements for temperature control on
MA Board are broken.
If the error continues after carrying out the remedies
above, the related circuit on MA Board is broken, replace
MA Board (Optical Engine and MAB Set).
3.3.6.3 Optical Engine and
MAB Set (p75)
FN Fan Error
EX Fan
INT Fan (1)/(2)
Lamp Fan
PS Fan
The fan cable is not connected
properly.
Connect the fan cable correctly.
• "3.3.11.1 TH2 Board / EX
Fan (p93)"
• "3.3.9.1 Lamp Fan (p86)"
• "3.3.10.1 INT Fan (1)/(2)
(p89)"
• "3.3.17.2 PS Fan (p106)"
The fan cable is broken. Replace the fan with a broken cable.
Blades are broken. Replace the fan with broken blades.
Revolutions of the fan has become
abnormal.
Replace the abnormal fan.
Accumulation of dust has occurred on
the fan.
Clean the fan with foreign material to remove it.
MA Board
Elements for temperature control on
MA Board are broken.
If the error continues after carrying out the remedies
above, the related circuit on MA Board is broken, replace
MA Board (Optical Engine and MAB Set).
"3.3.6.3 Optical Engine and
MAB Set (p75)"