Phenomena That May Be Easy To Be Mistaken For Machine Defects - Hitachi CP-WU8700 User Manual

Troubleshooting

Phenomena that may be easy to be mistaken for machine defects

About the phenomenon confused with a machine defect, check and cope with it
according to the following table.
Phenomenon
Power does not
come on.
Neither sounds
nor pictures are
output.
(continued on next page)
122
Cases not involving a machine defect
The electrical power cord is not plugged in.
Correctly connect the power cord.
The main power source has been interrupted during
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the power outlet,
and allow the projector to cool down at least 10 minutes,
then turn the power on again.
Either there is no lamp and/or lamp cover, or either
of these has not been properly fixed.
Please turn the power off and disconnect the power
plug from the power outlet, and allow the projector to
cool down at least 45 minutes. After the projector has
sufficiently cooled down, please make confirmation of
the attachment state of the lamp and lamp cover, and
then turn the power on again.
The signal cables are not correctly connected.
Correctly connect the connection cables.
Signal source does not correctly work.
Correctly set up the signal source device by referring to
the manual of the source device.
The input changeover settings are mismatched.
Select the input signal, and correct the settings.
AV MUTE function is working.
Press AV MUTE button on the remote control.
Reference
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