Epson EH-TW5500 - Page 40

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