DFD6361-Maintenance - 第288页
D-3 1-1. Main Circuit Brea ker Problems Handling main circui t br eaker probl ems The causes, che ck points, judgment and remedies for the main circuit br eaker problems a re as described below. Proble m Cause W hat and …
D-2
1. Remedies for Problems Invoking No Error
Code Indication - Problems at Power ON -
Summary of this section
The problems that invoke no error code indication usually occur when turning
ON the power. These errors can be classified by the trouble arising section and
there are, in some cases, more than one causes for one error.
This section describes the causes, check points and remedies for the problems
arisen when turning ON the power.
Section No. Title Contents
1-1 Main Circuit Breaker
Problems
- Remedies for the problem when
the main circuit breaker does not
turn ON
1-2 Main Power Supply
Problems
- Remedies for the problem
related to the main switch
1-3 POWER Lamp (Power-
On Lamp) Problems
- Remedies for the problem when
the POWER lamp does not light
1-4 Touch Panel Problems - Remedies for the problem when
the touch panel displays nothing
1-5 Microscope Light Source
Problems
- Remedies for the problem when
the halogen lamp in the light
source box does not light
1-6 EMO Switch Problems - Remedies for the problem that
the power does not turn OFF by
the EMO switch
D-3
1-1. Main Circuit Breaker Problems
Handling main circuit breaker problems
The causes, check points, judgment and remedies for the main circuit breaker problems are as described below.
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools or
replacement parts
Protective
gear
The main
circuit breaker
lever goes
down to the
"trip" position
even after the
main circuit
breaker is
turned ON.
The circuit is
shortened.
Turn OFF the facility
power source. Then
check the interphase
resistance of the cable of
the main circuit breaker
secondary side as well as
the resistance between
each phase and PE.
If any measured
resistance is 0 Ω,
the power supply
line may be
abnormal.
If other than 0 Ω,
the main circuit
breaker may be
faulty.
Contact your
nearest
DISCO
office.
DISCO
engineer
Digital tester
D-4
1-2. Main Power Supply Problems
Handling main power supply problems
The causes, check points, judgment and remedies for the main power supply problems are as described below.
Problem Cause What and how to check Judgment Remedy
Maintenance
personnel level
Hazard
level
Measuring
instruments, tools or
replacement parts
Protective
gear
Facility power
supply is OFF.
Check that the facility
power source supplies
200 VAC, 3-phase
power to the main circuit
breaker.
The power is not
supplied.
Contact your
facility
administrator.
Facility
administrator
Digital testerThe power
does not turn
ON even when
the main switch
is rotated to the
START
position.
The main circuit
breaker is OFF.
Check the main circuit
breaker.
The main circuit
breaker is OFF.
Turn ON the
main circuit
breaker.
When you
cannot do so,
see the
section
1-1, [Main
Circuit
Breaker
Problems].
Maintenance
personnel
The EMO
switch is ON.
Check the EMO switch. The EMO switch
is ON.
Turn OFF the
EMO switch.
Maintenance
personnel
Thefuse(F1and
F2) is blown.
Turn OFF the facility
power supply and then
check whether the fuse is
not blown.
The fuse is burnt. Contact your
nearest
DISCO
office.
DISCO
engineer
Digital tester
APFLM15