846
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
37 Error Check Method and Error Code List
37.2 Error Code Check Method and Indication
37.2
Error Code Check Method and Indication
37.2.1
Error code check method by display module (FX
3U
-7DM)
The error code can be checked by programming tool and FX
3U
-7DM (hereinafter called display module).
For the check method by programming tool, refer to the program check or PLC diagnostics described in the
programming tool manual.
Error code check method by display module
1) Scroll to "ErrorCheck" by pressing [+] or [-] key on "MENU screen" (shown on the right figure).
For the menu system, refer to FX
3 U
/FX
3 UC
Hardware
Edition.
On this menu screen, the operation keys as shown below:
2) Pressing [OK] key executes the error check and displays the
result on "error display screen" (shown in the right figure).
Press [ESC] key to cancel the operation and return to "Top
screen."
3) If two or more errors occur, press [+] or [-] key to changeover
the page.
Displayed contents
4) Press [ESC] key to cancel the operation and return to "menu
screen."
Operation
key
Contents of operation
ESC
Return to "TOP screen"
-
Moves up the cursor. Moves up the cursor when
pressing for 1 second or more. When the cursor is
located at the top, [-] key operation is invalid.
+
Moves down the cursor. Moves down the cursor when
pressing for 1 second or more. When the cursor is
located at the bottom, [+] key operation is invalid.
OK
Selects a flickering item with the cursor.
Operation
key
Contents of operation
ESC
Returns to "menu screen."
-
When one or no error
Is invalid.
When two or more errors
Displays the previous error
display screen.
+
When one or no error
Is invalid.
When two or more errors
Displays the next error
display screen.
OK
Returns to "menu screen."
Displayed contents
[1]
Error flag
[2]
Error name
[3]
Error code
[4]
Number of errors at same time (When two or more errors
occur, this information displays.)
Monitor/Test
ErrorCheck
LANGUAGE
Contrast
ClockMenu
EntryCode
ClearAllDev
PLC status
ScanTime
Cassette
ErrorCheck
When error does not occur
No errors
ErrorCheck
When one error occurs
M
0
8
6
6
Ladder error
Error code
6 6 1 2
[1]
[2]
[3]
ErrorCheck
2 or more errors occur
M
0
8
0
6
Error code
1 0 2 0
[1]
[2]
[3]
I/O error
/
1
2
ErrorCheck
M
0
8
3
6
Error code
6 3 0 1
[1]
[2]
[3]
Link error1
/
2
2
[4]
[4]
+
-