Sharp LC-42D85X - Page 68

LC-42/46/52D85X
6 – 19
2) Power failure details
(Power LED flashes twice and OPC LED flashes) Remarks
Error type OPC LED operation (1 cycle) Description
PS_ON
12V failure
Flashes once
AC_DET(IC2002_16pin): Abnormal (L). Main converter 12V is not applied.
If error is detected during operation, the power is turned on again by inter-
rupt handling.
PS_ON
10V failure
Flashes 3 times
DET_10V(IC2002_57pin): Abnormal (L). Main power UR15V is not applied.
If error is detected during start-up or operation, the power is turned on again
by polling.
D_POW
Digital 3.3V failure
Flashes 4 times
DET_D3V3(IC2002_59pin): Abnormal (L). D3.3V is not applied.
If error is detected during start-up or operation, the power is turned on again
by polling.
PANEL_POW
Panel 5V failure
Flashes 5 times
DET_PNL5V(IC2002_58pin): Abnormal (L). Panel power is not applied.
If error is detected during start-up or operation, the power is turned on again
by polling.
Main failure
Flashes 7 times
Main microprocessor detection error
The details are displayed on page 1 of process adjustment for the main
microprocessor (IC8101).
3) Communication failure details
(Power LED flashes 3 times and OPC LED flashes) Remarks
Error type OPC LED operation (1 cycle) Description
Initial communication
reception failure
Flashes once
Initial communication from the main CPU (IC8101) is not received.
→ Communication line failure or main CPU (IC8101) start-up failure
Start-up confirmation
reception failure
Flashes twice
Start-up reason confirmation from the main CPU(IC8101) is not received.
→ Main CPU (IC8101) start-up failure or monitor microprocessor (IC2002)
reception failure
Regular communication
failure
Flashes 3 times
Regular communication that is performed at 1 second intervals in the normal
operation is interrupted.
→ Main CPU (IC8101) operation failure or monitor microprocessor (IC2002)
reception failure
Restart failure
Flashes 4 times
When restarted by a software with the standby off/on, restart completion
notification is not received.
→ Main CPU (IC8101)restart failure to monitor microprocessor (IC2002)
reception failure
H: On
L: Off
H: On
L: Off
H: On
L: Off
H: On
L: Off
H: On
L: Off
H: On
L: Off
H: On
L: Off
H: On
L: Off
H: On
L: Off