Hitachi CP-X2021WN User Manual page 106

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
Schedule
function does
not work
When the
projector is
connected to
wired LAN, it
powers off and
on as described
below.
Powers off
POWER indicator
blinks in orange a
few times
Goes into
standby mode
NOTE • Although bright spots or dark spots may appear on the screen, this
is a unique characteristic of liquid crystal displays, and it does not constitute or
imply a machine defect.
106
Cases not involving a machine defect
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
The internal clock has been reset.
Once you turn off the projector in the SAVING mode or the
AC power, the current date and time setting is reset.
Check the DATE AND TIME setting for WIRELESS
SETUP or WIRED SETUP in the NETWORK menu.
Disconnect the LAN cable and check that the projector
is working properly.
If this phenomenon occurs after connecting to the network,
there may be a loop between two Ethernet switching hubs
within the network, as explained below.
- There are two or more Ethernet switching hubs in a network.
- Two of the hubs are doubly connected by LAN cables.
- This double connection forms a loop between the two hubs.
Such a loop may have an adverse effect on the projector
as well as the other network devices.
Check the network connection and remove the loop by
disconnecting the LAN cables such that there is only one
connecting cable between two hubs.
Reference
page
45
65, 69
–