MITSUBISHI ELECTRIC LT-55154 - Manual (Page 87)

Appendices 87
For assistance call 1(800) 332-2119
Appendix E: Troubleshooting, continued
General TV Operation
Symptom Remarks
1. 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,”
page 84.
2. When I try to use the remote control, the POWER
key blinks five times.
Replace the batteries.
3. 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 to
perform system reset.
4. 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.
5. You have forgotten your Lock menu pass code. See “Bypassing the Parental Lock”, Appendix B.
6. 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.
7. On-screen displays appear each time you
change a function. Normal TV operation.
8. 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.
9. I have turned on CEC for my HDMI devices but
control is erratic and I wish to disable it. First • turn off the TV’s HDMI control for the specific device.
Open the Inputs > HDMI Control menu, select the device,
select Off.
Disable CEC on the device itself. See the device’s instruc- •
tions.
If the problem persists, do the following:
•
Disconnect the device from the TV. 1.
Open the 2. Inputs > Name menu and select Delete for
the device.
Reconnect the device to the TV and Auto Input Sensing
3.
will recognize the device with CEC disabled.
Reset Name When to Use How to Use Resulting Action
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.