Specifications

LED Cinema Display (24-inch) Symptom Charts — Mechanical Issues 39
2010-02-08
Fan Failures / Thermal Issues
Quick Check
Symptoms Quick Check
Fan Failures / Thermal Issues
Washed out image•
No, slow, fast fan spin•
Excessive heat exhaust•
Eventual shutdown of display•
Remove air vent obstructions.1.
Verify display is functional.2.
Ensure the display on a stable work surface that 3.
allows for adequate air circulation under and
around the unit.
Deep Dive
Check Result Action Code
Verify ambient temp sensor 1.
cables (for both blower and
LCD) are securely connected
to logic board, and properly
positioned on each part.
Yes Go to step 2.
No Reconnect and/or adjust
ambient tempsensor cables
and retest.
Verify thermal wall section 2.
attached to blower is securely
seated in the rear housing.
Yes Go to step 3.
No
Secure thermal wall and
retest.
Determine if fan is running 3.
abnormally fast, slow, or
stopped.
Yes Go to step 4.
No Go to step 5.
Remove blower and rotate 4.
blades. Verify that fan blades
spin smoothly without
interference from blower
housing.
Yes Go to step 5.
No
Replace blower. M18
Verify blower cable is securely 5.
connected to logic board.
Yes Go to step 6.
No Secure blower cable and
retest.
Determine if there is a module 6.
that is excessively over
temperature
Yes Replace aected module and
retest.
No Return unit to user.