Panasonic PT-TMZ400 Operating Instructions Manual page 141

Problem
Operation noise became
loud.
Attention
f If the problem persists, after confirming the contents of the table, consult your dealer.
Chapter 6 Maintenance - Troubleshooting
If the temperature inside the projector becomes high, the speed of the internal cooling fan
increases automatically and the operation noise becomes loud. If the internal temperature
reaches the abnormal value, the indicators will light up or blink.
f Is the ambient temperature high?
f Is the air filter unit dirty?
f Is the intake/exhaust vent blocked?
Points to be checked Reference page
135
19
136
20
ENGLISH - 141