LC-60/70/80LE650U/LE657U/C6500U/LE757U/LE857U,60/70LE755U/C7500U
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3) Communication failure details (Flashes slowly 3 times and flashes fast) Note
4) Other failure details (Flashes slowly 4 times and flashes fast) Note
Error type Center icon LED operation
Basically, debug print logs are analyzed or commu-
nication logs are analyzed by a bus monitor.
Initial communica-
tion reception failure
Flashes fast once
H: On
L: Off
Initial communication from the main CPU is not
received. (Request for the monitor model No. is not
received.)
→ Communication line failure or main CPU start-up fail-
ure
Start-up confirma-
tion reception failure
Flashes fast twice
H: On
L: Off
Start-up reason confirmation from the main CPU cannot
be received. (Start-up communication until start-up rea-
son notification command is not received.)
→ Main CPU start-up failure or monitor microcomputer
reception failure
Regular communica-
tion failure
Flashes fast 3 times
H: On
L: Off
Regular communication that is performed at 1 second
intervals in the normal operation is interrupted.
→ Main CPU operation failure or monitor microcom-
puter reception failure
Other communica-
tion failure
Flashes fast 5 times
H: On
L: Off
When a request (PM_REQ=H) is sent from the main
microcomputer, the request command is not output
from the main CPU, etc.
→ Main CPU operation failure or monitor microcom-
puter reception failure
Error type Center icon LED operation
Pins are monitor microcomputer pins unless other-
wise specified.
Monitor temperature
failure
Flashes fast once
H: On
L: Off
If the panel temperature is 60°C or more for 15 seconds
or more in a row, CAUTION appears on the OSD
(flashes in red in the lower right screen).
If the panel temperature is 60°C or more for 25 seconds
or more in a row, error standby is activated.
Main failure
Flashes fast 3 times
H: On
L: Off
Main microcomputer detection error (CPU temperature
error, etc.)
The details are displayed on page 1 of the adjustment
process mode.
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