5.2 Trouble Shooting of Panel Module from the point view of Fault Symptom
NO Fault Fault status Suspected fault Analysis
contents location procedure
and measure
After momentarily going X-SUS
1 Entire
on, the screen becomes Y-SUS
screen does black immediately or after Panel chassis
LOGIC
a few seconds. (Main
not light. ABUSL
power is turned off.) ABUSR
2 Screen lights dimly even LOGIC Replace LOGIC
on the back screen. board
Panel chassis
3 Vertical line Single vertical line (of
LOGIC
different color)
Vertical line from the
4 Panel chassis Replace panel
middle of effective scan
area (Vertical line of chassis
different color)
Bar width of 1/7 of Panel chassis
5 Vertical bar
horizontal size or in ABUSL
multiples of 1/7, is ABUSR
displayed. Abnormal LOGIC
display. Above boards are
connected.
Bar width of 3/7 or 4/7 of ABUSL
6
the screen width, is ABUSR
displayed. Abnormal LOGIC
display. (Vertical line of Above boards are
different color) connected.
Single horizontal line (No
7 Horizontal Panel chassis Replace panel
light) Or single horizontal
line line does not light among chassis
the effective scanning
area.
Single horizontal line
does not light.
Bar width of 1/8 or
8 Horizontal Panel chassis Replace panel
multiples of 1/8 of the
bar screen height, is chassis
displayed.
Abnormal (Screen does
not light)
Bar width of 1/2 of the Panel chassis
9
screen height. Y-SUS
Abnormal display X-SUS
(Screen does not light) Above boards are
connected.
7 |
ACEC
HITACHI
