LC-70UD1U
6 – 3
4) Communication failure details (POWER Green LED Flashes 3 times, and DPC/SLEEP LED flashes) Note
5) Other failure details (POWER Green LED Flashes 4 times, and DPC/SLEEP LED flashes) Note
Error type Center icon LED operation
Basically, debug print logs are analyzed or communica-
tion 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 failure
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 reason notifi-
cation command is not received.)
→ Main CPU start-up failure or monitor microcomputer recep-
tion failure
Regular communica-
tion failure
Flashes fast 3 times
H: On
L: Off
Regular communication that is performed at 1 second inter-
vals in the normal operation is interrupted.
→ Main CPU operation failure or monitor microcomputer
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 micro-
computer, the request command is not output from the main
CPU, etc.
→ Main CPU operation failure or monitor microcomputer
reception failure
Error type Center icon LED operation
Pins are monitor microcomputer pins unless otherwise
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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