3. Protect Mode
(1) Symptom
?After once shining, it does not discharge minutely
from module
?The Rely falls(The sound is audible Oclick�)
?It is converted with the color where the front LED
is red from green.
(2) Check following
NoNo
Is the Power BoardIs output the normality Low/High Replace Power
normal ?voltage except Stand-by 5V?Board.
Yes
NoNo
Is the each connectorAfter connecting well each connector,Replace the
normal?the normality it operates? connector.
Yes
Is the output voltage
NoYesYes
Is the Y-BoardIs the Fuse(FS2) on Y-B/D normal? normal after removeReplace
normal?(In case of open is replace)P5, P6 connector ofY-Board.
Y-B/D?
Yes
Is the output voltage
NoYesYes
Is the Z-BoardIs the Fuse (FS1, FS2) on Z-B/Dnormal after removeReplace
normal?normal? (In case of open is replace)P1 connector of Z-Z-Board.
B/D?
Yes
After remove P1, P2, P3 output voltage
NoIs the output voltage normal afterYes
Is the X- Boardnormality: Replace Right X-B/D
remove P1, 2, 3, 4, 5 connector of
normal?After remove P4, P5 output voltage
X-B/D?
normality: Replace Left X-B/D
Yes
NoIs the output voltage normal afterYes
Is the Ctrl BoardReplace
remove P1, 2, 4, 9, 10 connector of
normal?X-Board.
Ctrl-B/D?
Yes
NoYes
Is the Is the output voltage normal afterAfter remove P1001, 1100 normal
VSC Board normal?remove P1001, P1100?operation: Replace VSC Board
Yes
No
Is the COF of X, Y, ZAfter crisis COF of each board, check the normality operates.
normal ?If in case normality operates, correspondence COF Fail is
replace the module.
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