Troubleshooting - Hitachi FHD7510PC Operation Manual

TROUBLESHOOTING

If you are experiencing any problem with your
display, before calling for service, please review the
following troubleshooting tips.
There is no picture or sound.
• Is the power cord disconnected? (See page 14)
• Is the interactive monitor in standby mode (the
power LED ON?) (See page 15)
• Make sure correct input mode is selected. (See
page 13)
• If any external equipment is connected, make
sure the equipment is operating (playing back).
Remote control does not work.
• Is the battery inserted with polarity (+,-) aligned?
(See page 14)
• Is the battery exhausted?
• Point the remote control unit toward the
interactive monitor's remote control sensor. (See
page 15)
• Is operation disabled? (See page 20)
Sound from left and right speakers is reversed.
• Are audio cables connected properly?
There is a picture but no sound.
• Is the sound muted?
• Make sure the volume is not set to minimum.
• Are audio cables connected properly?
Unstable video.
• The signal may be incompatible. (See page 28)
The video from the HDMI input terminal does not
appear properly.
• Is the HDMI cable HDMI standard compliant? The
interactive monitor will not work with cables that
are not standard compliant.
• Is the input signal compatible with this interactive
monitor? (See page 28)
• If an AV signal such as 1920 x 1080i, 720(1440) x
576i, or 720 (1440) x 480i is displayed using the
HDMI [PC] input, display problems such as faint
colours may occur.
The video from VGA input terminal does not
appear properly.
• Is the input signal compatible with this interactive
monitor? (See page 28)
There is no picture.
• Load noises from outside may be interfering with
normal operation. Turn off the power and turn it on
after waiting at least 5 seconds, and then check the
operation.
The interactive monitor makes a cracking sound.
• You may occasionally hear a cracking sound from
the interactive monitor. This happens when the
cabinet slightly expands and contracts according to
change in temperature. This does not affect the
interactive monitor's performance.
Troubleshooting for the interactive monitor with
OPS PC
There is no picture or sound.
• Is the power cord disconnected? (See page 14)
• Is the interactive monitor in standby mode (the
power LED ON?) (See page 15)
• Make sure correct input mode is selected. (See
page 13)
• If any external equipment is connected, make
sure the equipment is operating (playing back).
• If OPS PC mode is selected and No Signal message
is displayed, be sure that OPS PC properly fits to its
slot.
New device is not recognized
• Is the relevant driver installed correctly?
• Are the cables connected correctly?
• Is the external device get power?
System does not connect to the Network
• Is the network driver installed correctly?
• Are the network cables connected correctly?
• Are the network settings on system arranged
correctly?
• Check the user name and password to connect
the network.
Applications do not work
• Is the application installed correctly?
• If any error message is displayed read instructions
document which may be given with application.
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