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130
Programming Console Operations
Section 7-2
Key Sequence
Press the CLR, FUN and then the VER Key to display the I/O comment area
and ladder program area capacities.
7-2-5
Reading/Clearing Error Messages
This operation is used to display and clear error messages. It is possible to
display and clear non-fatal errors and MESSAGE instruction messages in any
mode, but fatal errors can be cleared in PROGRAM mode only.
Before inputting a new program, any error messages recorded in memory
should be cleared. It is assumed here that the causes of any of the errors for
which error messages appear have already been taken care of. If the buzzer
sounds when an attempt is made to clear an error message, eliminate the
cause of the error, and then clear the error message. (Refer to SECTION 8
Test Runs and Error Processing for troubleshooting information.)
Key Sequence
Follow the procedure below to display and clear messages.
1,2,3...
1.
Press the CLR Key to bring up the initial display.
2.
Press the FUN and then the MONTR Key to begin the operation. If there
are no messages, the following display will appear:
If there are messages, the most serious message will be displayed when
the MONTR Key is pressed. Pressing MONTR again will clear the present
message and display the next most serious error message. Continue
pressing MONTR until all messages have been cleared. These are some
examples of error messages:
A memory error:
A system error:
A message (displayed with MSG(46)):
All messages cleared:
CLR
FUN
VER
CA LAD
01 02.1
▲
▲
I/O comment area:
1 K word (rounding
down 1, 012)
Ladder program
area: 2.1 K word
(rounding up 2,048)
RUN
MONITOR
PROGRAM
OK
OK
OK
FUN
MONTR
ERR/MSG CHK OK
MONTR
MEMORY ERR
MONTR
SYS FAIL FAL01
MONTR
MATERIAL USED UP
MONTR
ERR/MSG CHK OK
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