Mitsubishi Electronics 838 SERIES ユーザーズマニュアル

1.  A fan has continued running more than two 

minutes after the TV was powered off.

The room is too warm.  When the TV is off, internal components 
continue to draw power and must be cooled by the fan.

2.  The fan gets louder after the TV is shut off.

Normal operation.  The fan speeds up to cool the lamp quickly 
after the TV has been shut off.

3.  The TV remote control does not work.

•  Check that the batteries are fresh and installed correctly.
•  Check that the control mode on the remote is set to TV.
•  Be no more than 20 feet from the TV when using the remote control.
•  Program the remote control to operate the TV or other device.
•  Reset the remote control.  See “Resetting the Remote Control,” 

4.  When I try to use the remote control, the POWER 

key flashes five times.

Replace the batteries.

5.  TV does not respond to the remote control or 

to control-panel buttons and TV will not power 
on or off.

•  Unplug the AC power cord for 10 seconds.
•  Press and hold the 

POWER button on the control panel for 10 

seconds to perform system reset.

6.  When a device is selected from the Input 

Selection menu, the screen is blue or black (no 
signal source).

•  Make sure the selected device is turned on.
•  Begin play of the device.

7.  You have forgotten your Lock menu pass code.

See “Bypassing the Parental Lock”, Appendix B.

8.  Rating restrictions are not working.

Open the 

Lock > Parental menu and:

•  Verify that the ratings locks are active.
•  Check the Lock Time/Unlock Time to check if rating restric-

tions are disabled.

•  Rating restrictions apply only to content on the ANT input.

9.  On-screen displays appear each time you 

change a function.

Normal TV operation.

10.  A warning message appeared on screen 

stating, “TV will shut down in a few seconds.  
Please check if the air flow is blocked.”

•  Internal TV temperature has exceeded proper levels. Cool

the room.

•  The TV has overheated. Clear blocked air vents and ensure

at least four inches of clearance on all sides of the TV.

VUDU
Reset VUDU 
Account Pass-
word

You have forgotten 
your account pass-
word.

Using a computer, go to 
www.VUDU.com.

Reset your account password 
from the VUDU website (requires 
access to e-mail).

VUDU
Reset Parental 
Controls Pass 
Code

You have forgotten 
your pass code.

Call VUDU Customer Care at 
1-888-554-VUDU (8838).

VUDU Customer Care will reset 
your pass code.