Epson EH-TW2900 Service Manual page 40

EH-TW3500/4500/5500
Error Status Faulty part/part name
PS Ballast
Abnormal noises
INT Fan
EX Fan
Lamp Fan
PS Fan
PS Ballast
SEIKO EPSON
Troubleshooting
Cause
Pulse transformer vibrates
abnormally.
Replace the PS Ballast.
Ballast vibrates abnormally.
Foreign material sticks on a fan. Clean the fan to remove foreign material.
Check if a fan contacts other parts. In such a case, correct
Fan is contacting other parts.
its installation.
Fan's impeller is broken. Replace the broken fan with a new one.
EX Fan
40
Remedy
"3.3.15 PS Ballast (p92)"
• "3.3.7 Removing the EX Fan
(assembly) (p65)"
• "3.3.11 INT Fan (assembly)
(p85)"
• "3.3.7.2 PS Fan (p67)"
• "3.3.10 Lamp Fan (p83)"
PS Fan
Lamp Fan
INT Fans
CONFIDENTIAL
Reference
Revision A