Power-up p roc es s
Power-up p roc es s Problem iden tif ication Cau ses Maintenan ce policy
No
Yes
No
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
No
Yes
No
Yes
No
Power-up co mpleted
Rep l ace t he ma i n bo ard or PC mod ule
Rep lace the PC module
Does t h e equ ipment
giv e a res pon se?
No S3/S4 ris e on t h e P C mod ul e
Is th e C B_RST_N s i g n a l
properly received ?
Rep lace the main board
19V in put on the main un it is no rmal. The
con ve rsi on fro m 19V to 3.3V o r EC i s
abn ormal
Rep lace the po wer adapter
Press the power
button
Rep lace the switch keypad
The 5VSTB indi cat or on t h e
main un it is of f
Does th e EC f ir mware
detect th e S3/S4 ris e p rop er l y?
The EC does not d etect S3/S4 rise o r th e
P C mod ul e d oe s n ot send an S 3/S4 ris e
s ig na l
Rep lace the PC module
Is th e 5VS TB
po wer ed up pr operl y ?
不能
Rep lace the main board
Key pro blems
P12V p ower faul t on the main boar d
Is th e S3/S4 ind icator
on the main un it on?
Power fault on t he main boar d
Rep lace the magnetic connector or the
power cable
In ter nal p ower faul t on t he PC modu l e
Rep lace the main board
Adapter fault
A C po wer ?
Disassem ble th e main
bo ard and pr ess PWR_BT N. Is t he
system started?
The s tar tup indi cator o n th e
con tr ol panel blinks orang e
Rep lace the main boardPower fault on t he main boar d
The s tar tup indi cator o n th e co ntrol pan el
blink s gr ee n
Is th e adapter in dicator on?
The magnetic connector or the power cab le
is faulty
The s tar tup indi cator o n th e
con tr ol panel blinks green and
orange alter natively
Powered by b atter y?
Yes
No
Yes
Yes
Yes
No
No
No
Yes
No
Yes
No
Ch arge the battery or connect AC p ower
Key pro blem
Ch arge the battery or connect AC p ower
Rep lace the battery
Rep lace the switch keypad
Battery fau lt
Can th e second ary
screen be invo ked?
The con vers i on fro m 19V to 3.3V is
normal but the EC is faulty
Rep lace the main board
The batt ery i s r un ou t
Co nnect AC power .
Is th e battery being charged?
Disassem ble th e main
bo ard and pr ess PWR_BT N.
Is th e system started?
Rep lace the main board
The 19 V i n put on the mai n un it is no rmal
bu t the con vers ion fro m 19V to 3.3V o r
EC i s a b norm al
Is th e battery being charged?
Co nnect AC power and start th e
system. Does the p roblem still exist??
The batt ery i s r un ou t
Battery fau lt
Rep lace the battery
Is th e 19 V indicator
on t h e main bo ard on ?
No Yes
No
Yes
I s t he 19V indicator on
the main board on?
I s t he D 3.3V/D 5V
indicator on the
ma in u ni t on ?
Is the minimum power for
s ystem s ta rtup ready ?
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