Power LED Error Code Definition (1 of 2)
LIST OF BOARDS POSSIBLY CASUSING THE FAILURE
POWER LED
ERROR
CODE
CIRCUIT MONITORED
CONDITIONS TRIGGERING
THE SHUTDOWN
#1 Suspect #2 # 3 Occasionally
#4
Not Often
1 BLINK
Panel Information SOS
Communication problem A
2 BLINKS P15V form the P board
Missing P15V
P15V is not been generated by the P board.
Wrong diagnostic by the A board
P A
3 BLINKS
Incomplete or interrupted
Boot Program execution of
PEAKS IC (IC8000).
Shorted P15V
Missing F15V
Wrong diagnostic by the A board
A P
4 BLINKS
Power Supply output
voltages
Vsus Over Voltage Condition.
P15V Shorted while in operation.
Wrong diagnostic by the A board
P A
6 BLINKS SC Energy Recovery Circuit
An increase or reduction of the Energy Recovery Circuit
output (MID).
Shorted SUB5V.
Wrong diagnostic by the A board.
SC A C
7 BLINKS
Scan Drive Circuit and
Connection between the SC
board and the SC board.
Missing or shorted Vsus.
Abnormality of the scan circuit output, the 15V_F, the
scn_pro, and Vscn circuit.
Loose or open Connection between the SC board and the
SC board (SC41, SC42, SC46).
Open or loose connection between connectors SC2/P2
Wrong diagnostic by the A board
Defective panel
SU/SD SC SS A/Panel
8 BLINKS
Sustain Drive Circuit and
Connection between the SS
board and the Panel.
Abnormality of the sustain drive circuit.
Open or loose connection between the SS/SS2 Boards.
and FPCs from the panel (SS52 – SS54 – SS55 – SS57).
Open or loose connection between connectors C10/C20 or
C26/C36.
Wrong diagnostic by the A board
SS A C3 Panel
Slide 4
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