Troubleshooting for LED Blinking ( only DX900 : 11 time blink )
LED blinks Detail error Board may defect
11 Fan_SOS Fan/A
If one of the fan does not work, Fan_SOS signal will go high level and be detected by IC8001
LED blinks 11 times.
only DX9** series
Before shutdown,
are all fans stopped? Yes
(all stopped)
No
(only one fan is stopped)
Stopped fan
A08
Fan_Vcc
1
3
A board
.. Fan x6 ..
(Low=Normal)
Fan_SOS
( all fan output low signal Low )
IC8000
11 Blink
16V
5
From P BOARD
IC5901
F15V DC/DC
= Normal
A
A02
46
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