Panasonic TC-P50VT25

Slide 78Slide 78
Power LED Error Code Definition (1 of 2)
POWER LED
ERROR
CODE
CIRCUIT MONITORED
CONDITIONS TRIGGERING
THE SHUTDOWN
1 BLINLK
Panel Information SOS
Panel Alarm SOS
Communication problem between the System CPU
(IC1100) and the Panel CPU (IC9003)
2 BLINKS P15V form the P board
Missing P15V
 P15V is not been generated by the P board.
 P15V is been affected by one of the boards it is
connected to (A short circuit of the P15V).
Wrong diagnostic by the D board
3 BLINKS P3.3V from the D board
Missing P3.3V
Reasons:
 The A board is not generating the 3.3V
 The 3.3V is been affected by one of the C boards
or the Panel (A short circuit of the P3.3V).
Wrong diagnostic by the D board
4 BLINKS
Power Supply output
voltages
Regulation issues with any of the voltages output from the
power supply.
Wrong diagnostic by the D board
5 BLINKS P5V from the A board
Missing P5V
Reasons:
 The A board is not generating the 5V
 The 5V is been affected by the SC, SS, A, or C2
board (A short circuit of the P5V).
Wrong diagnostic by the D board
6 BLINKS SC Energy Recovery Circuit
An increase or reduction of the Energy Recovery Circuit
output (MID).
Open connection between connector D20 on the D board
and SC20 on the SC board.
Open connection between any of the ribbon cables on the
C boards and the D board.
Open connection between the ribbon cable/cables
interconnecting the C boards.
Wrong diagnostic by the D board.
The following table identifies the areas where a problem is suspected according to the number of
times that the POWER LED blinks.