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Power LED blinking timing chart
1. Subject
Information of LED Flashing timing chart.
2. Contents
When abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the
defective block can be identified by number of blinking of the Power LED on the front panel of the unit.
Blinking times
Name
PTCT
indication
Detect item
Detect pin
2
POWER SOS
02 H09
*PWR24V, PWR15V, PWR5V Low level detect
SUB CPU Pin No.66
(POWER_FAIL1)
4
PANEL12V
SOS
04 H09
*PANEL12V Low level detect
SUB CPU Pin No.77
(POWER_FAIL3)
13
REGULATOR
SOS
0D H09
*D3.3V,DDR1.8V,H3.3V,AS1.8V Low level detect
SUB CPU Pin No.67
(POWER_FAIL2)
18
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