DFD6361-Maintenance.pdf - 第295页

D-10 1-5. Microscope Light Source Problems Handling microsc ope lig ht source proble ms The causes, check points, judgment and remedies f or the microscope light source problems are as de scribed below. Proble m Cause W …

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D-9
Handling touch panel problems (Continued)
The touch panel of the machine is the liquid crystal display (LCD). You may encounter the following phenomenon which seems
to be a fault. Please take note that they are not faults but the optical characteristics of the liquid crystal materials.
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools or
replacement parts
Protective
gear
Unevenness of
screen image
LCD
characteristics
-
Not fault
-----
There are bright
spots and dark
spots.
LCD
characteristics
-
Not fault
-----
D-10
1-5. Microscope Light Source Problems
Handling microscope light source problems
The causes, check points, judgment and remedies for the microscope light source problems are as described below.
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools,
replacement parts
Protective
gear
The halogen
lamp of the
light source
box does not
light.
The halogen
lamp of the light
source box is
burnt.
Turn OFF the facility
power supply and then
check the halogen lamp
of the light source box.
The halogen lamp
is burnt.
Replace the
halogen lamp.
For the
replacement
procedure,
see the
section F-1-2
of this
manual.
Maintenance
personnel
Digital tester
AQLM-100
The power
switch of the
light source box
is OFF.
Check whether the
power switch of the light
source box is ON.
The switch is
OFF.
Turn ON the
switch.
Maintenance
personnel
The light source
box is defective
or its cable is
broken.
Check whether 200 VAC
single-phase is supplied
to the light source box
when the machine is
turned ON.
If not, turn OFF the
facility power supply
and then check the cable.
The halogen lamp
does not light
even when the
power is properly
supplied, the cable
may be broken or
the light source
box may be
defective.
Contact your
nearest
DISCO
office.
DISCO
engineer
Digital tester
D-11
1-6. EMO Switch Problems
Handling EMO switch problems
The causes, check points, judgment and remedies for the EMO switch problems are as described below.
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools,
replacement parts
Protective
gear
The main
power does not
turn OFF even
when the EMO
switch is ON.
The EMO
switch is faulty.
Check the contact
operation of the EMO
switch.
(OFF: normal close)
[Normal operation]
The power supply to the
machine is immediately
shut off (axes stop). The
spindle rotation will stop
after about 15 seconds.
If the contact
operation is
abnormal, the
EMO switch may
be defective.
Contact your
nearest
DISCO
office.
DISCO
engineer
Digital tester
The control
circuit is faulty.
Contact your
nearest
DISCO
office.
DISCO
engineer