3OM-1064-001 - 第28页
1.3.2 Power Supply Check 2 Symptom Although the main power lamp is “ ON ” , power is not supplied. 0005-002 1-20 Tg0248-PM-ER 1. Cause and Remedy of Simple T rouble Although the main power lamp is "ON", power i…
1.3 Power Supply
1.3.1 Power Supply Check 1
Symptom
The LED of the [POWER ON] button does not illuminate (red or green).
Nothing is displayed on the touch screen.
Nothing is displayed on the recognition monitor.
No sound (operating sound) is produced from the electromagnetic contactor.
........... etc.
0005-002 1-19 Tg0248-PM-ER
1. Cause and Remedy of Simple Trouble
When the [POWER ON]
button is pressed, power is
not supplied.
Is the power breaker
"ON"?
YES
Turn on the power
breaker .
Is the main power lamp
"ON"?
Is the [POWER OFF]
button kept pressed?
YES
Did you press the
[POWER ON] button for
a few seconds?
Is the LCD touch
screen powered?
Is the recognition
monitor powered?
Did the initialization
display appear on the
LCD touch screen?
Perform the operation check on Control DC Power
Supply Units G01, G02, and G03.
The control board may be in abnormal condition.
Check how the connector is connected.
Replace the control board with a new one.
YES
YES
YES
YES
YES
Press the [POWER ON]
button for approximately 2
seconds to re-supply power
to the machine.
[Release the
[POWER OFF]
button.
NO
NO
Check whether the switch on the rear side of the LCD touch
screen is turned "ON".
Check whether the circuit protector of the LCD touch screen is
tripped.
Check whether Fuse F111 or F112 has melted, breaking the
circuit.
Check each component and wiring.
When the power switch of the monitor is "OFF", turn it "ON".
Note:
When "K08" is "ON", the check monitor will not be
powered.
Check whether Fuse F113 has melted, breaking the circuit.
Check each component and wiring.
Confirm that no 3.5-inch floppy disk is inserted in the floppy disk
drive.
Perform the operation check on Control DC Power Supply Units
G01, G02, and G03.
The control board may be in abnormal condition.
Check how the connector is connected.
Replace the control board with a new one.
NO
NO
NO
To "1.3.2 Power Supply
Check 2"
Components and wiring
must be checked.
!!High Voltage!!
Avoid any electric shock.
Electrical knowledge is required. Only a
service personnel or an authorized
personnel should perform this operation.
NO
Is the power (200 V AC,
3-Phase) normal?
Open the power breaker box and check
the inside electrically.
Turn off the power breaker crank.
Remove the screw located on the bottom
of the power breaker box and open the
door of the power breaker box.
Has Fuse F201, 202, or
203 melted, breaking the
circuit?
!!High Voltage!!
Turn on the power breaker.
Check the components and wiring.
Perform operation check on DC
Power Supply (G06) and 24 V DC
(24D).
Open the cover located at the lower
part of the front side and check 24 V
DC (24D) at the terminal.
Check the wiring.
Turn off the power breaker crank,
remove the screw located at the bottom
of power breaker box, and check the
fuses.
When a fuse has melted, replace it with
a new one.
Check whether the factory-equipped
breaker is tripped.
Check whether the local power is
normal.
Check whether the power cable to the
machine is normal.
NO
YES
YES
YES
NO
1.3.2 Power Supply Check 2
Symptom
Although the main power lamp is “ON”, power is not supplied.
0005-002 1-20 Tg0248-PM-ER
1. Cause and Remedy of Simple Trouble
Although the main power lamp
is "ON", power is not supplied.
Is the breaker at the
power supply section
tripped?
Did the timer (KT01) and
the electromagnetic
contactor (KM01) turn
"ON"?
Are the cooling fans
(located on the sides and
ceiling of the main body)
working?
!!High Voltage!!
Avoid any electric shock.
Electrical knowledge is required. Only a service personnel
or an authorized personnel should perform this operation.
YES
YES
YES
Check the following items.
Breakers (Q204, Q101)
Transformers
Wiring (X1, X2, and Y1) in 100 V AC System
Contacts of Electromagnetic Contactor (KM01)
Fuses (F105, 106, 109, 110)
Connectors
Check the following items.
24 V DC Power Supply (G08)
Fuse (F003)
24 V DC or not in 24F1 and 10F
NO
Check the following items.
24 V DC Power Supply (G06) in Control Box
24 V DC or not in 24C and 10C
When this 24 V DC is not normal, the SDS I/O does not
work.
Check the following items.
Relay (ON or OFF) in Control Box
24 V DC or not in 24C and 10C
Connector (XCN3) of Relay Board in Control Box
Operation of I/O Board
Connector (XCN93) on Rear Side of Control Box
NO
YES
NO
Open the front cover of the control box and
check the DC power supply (G01).
!!High Voltage!!
Open the cover located at the lower part of the front left
side of the machine.
Turn on the power breaker.
Are the cooling fans
(located on the sides and
ceiling of the main body)
working?
Is the DC power supply
(G01) in the control box
working?
YES
Is an alarm issued from
the control board?
Is the control power 24 V
DC (G08) in abnormal
condition?
(24F1 and 10F)
Is the control power 24 V
DC (G07) in abnormal
condition?
(24E and 10E)
NO
NO
NO
NO
Check the following items.
24 V DC Power Supply (G07)
Fuses (F001 and F002)
24 V DC or not in 24E1, 24E2, and 10E
Check the following items.
Wiring in 100 V AC System, Contacts of
Electromagnetic Contactor (KM01), and Connectors
(X1, X2, and Y1)
Breaker (W203)
Check the following items.
Indicator Lamps of Boards
Power Voltage (5 V DC, 12 V, -12 V) of Control
Board Rack
Check the following items.
Fuses (F121, 122, 123, 124, 125)
Connectors
When a breaker (Q203, Q204, or Q101) is tripped, the
control power cannot be supplied.
When a breaker is tripped, confirm that no abnormality is
found on the loaded side of the breaker and turn on the
power breaker crank again.
Press the [POWER ON] button and check whether the timer
(KT01) turns "ON".
Check the coil voltage of the electromagnetic contactor (KM01).
(24 V DC or not in 502, 503, 504, and 10D)
Check the wiring.
NO
NO
NO
Is 24 V DC (G06) for
SDS in normal condition?
(24C and 10C)
Is the relay (K09)
working?
Is the relay (K50) in
Power 2 Section
working?
To "1.3.3 Power Supply for
Main Loads"
Operation Check on
Each Component
YES
YES
YES
YES
YES
YES
Check the following items.
Operation of I/O Board
Operation of Mechanical Distribution Board (Mechanical
Distribution 1) in Power Supply 2 Section
Relay K50
Connectors
NO
1.3.3 Power Supply for Main Loads
Symptom
The [POWER ON] button does not illuminate green.
No sound (operating sound) is produced from the electromagnetic contactor.
........... etc.
0005-002 1-21 Tg0248-PM-ER
1. Cause and Remedy of Simple Trouble
The power supply (main) for
loads is not supplied.
Is the LED of the [POWER
ON] button "ON" in green?
Is the air pressure normal?
Adjust the air pressure.
Check whether Q101, Q203, Q204, Q205, Q111, or Q351A are tripped.
If tripped, confirm that no abnormality is found on the loaded side and then tur
n
on the power breaker crank again.
Check whether Relays K02, K04, and K05 are working.
Is the maintenance cover
(supply cover) closed?
When the switch is "ON", turn it off.
Confirm that Relays K63, 64, 65, 66, 67, and 68 are "OFF".
When a relay is "ON" although the switch is "OFF", abnormality will be found i
n
the wiring. Check the wiring.
When this switch is "ON", the initial startup operation cannot be executed.
Check whether each load is
working.
Check the supply cover and the [EMERGENCY STOP] buttons.
Check the wiring and connectors.
To "1.3.4 Servo Power
Supply"
Is the LED of the [POWER
ON] button "ON" in red?
The load power
supply circuit is
normal.
Check whether each
component and
wiring are normal.
Is a display on the
operation monitor (touch
screen)?
Check how the control
board works.
Check the power supply
system of the control
board.
Is the [EMERGENCY
STOP] button pressed?
There is a possibility that the sensor is not working normally.
Check the sensor and the wiring.
Check how the interlock board is working.
Is the relay (K51)
turned "ON"?
ޓޓޓޓ
!!High Voltage!!
Avoid any electric shock.
Electrical knowledge is required. Only a
service personnel or an authorized
personnel should perform this
operation.
Are the electromagnetic
contactors (KM08, 09,
112A, and 112B) "ON"?
ޓޓޓޓ
!!High Voltage!!
Open the cover located at the lower
part of the front left side of the
machine.
Turn on the power breaker crank.
YES
YES
NO
NO
NO
YES
YES
YES
YES
NO
YES
NO
Check the air pressure,
release the [EMERGENCY
STOP] button, reset the
maintenance cover, and
press the [POWER ON]
button for approximately 2
seconds to re-supply
power.
Check the wiring.
24 V DC (Check the 24D1
line.)
Is the circuit breaker
tripped?
Are the relays (K60, 61, and
62) working?
YES
NO
NO
Is the safety relay (K99)
working?
Are the interlock bypass
switches and [OPERATION
MODE] buttons (both front
and rear ones) turned
"OFF"?
YES
NO
NO
Are the electromagnetic
contactors (KM103A, 104A,
115A, 103B, and 104B)
"ON"?
Check the electromagnetic contactors and the wiring.
Check the electromagnetic contactors and the wiring.
Check the fuses built in the relays.
Confirm that the electromagnetic contactors (KM08, 09, KM112A, 103A, 104A,
151A, 112B, 103B, 104B) are "OFF".
Check for welded contacts.
Confirm that 24 V DC is supplied between Terminals X2 and T21 when Timer
KT01 is working.
Confirm that 24 V DC is supplied between Terminals T12 and T21 and betwee
n
Terminals B1 and T22.
NO
NO
NO
YES
YES
NO
YES
YES
YES