Chapter 9. TROUBLESHOOTING
9-3
The controller is in the READY mode.
Key lock is enabled.
Press
RUN/HOLD
to set the controller to the RUN mode. (The
controller can be reset in case of external switch input or
communications even in the READY mode.)
Set variable parameter
L
O
C
setting to 0 to 2.
The controller is in the READY or FAST mode.
The controller is in the END mode.
The controller is in the constant-value opera-
tion mode.
Key lock is enabled.
Set all external switch inputs RSW8 to 12 OFF.
Reset the controller.
Set constant-value operation data
M
.O
D
E
setting to 0.
Press
DISP
.
Set variable parameter
L
O
C
setting to 0 to 2.
Cause
Remedy
Program selection by external switch input not
0.
The controller is not in the READY mode.
The controller is in the constant-value opera-
tion mode.
Key lock is enabled.
9-2
Trouble during Key Entry
■
The program No. does not change by pressing
PROG
in basic display state
■
The program No. does not change by pressing
in the basic display state
Cause
Remedy
Program selection by external switch input not
0
The controller is not in the READY mode.
The controller is in the constant-value opera-
tion mode.
Entry changeable display state by
in MANUAL mode
Key lock is enabled.
Set all external switch inputs RSW8 to 12 OFF.
Reset the controller.
Set constant-value operation data
M
.O
D
E
setting to 0.
Set variable parameter
L
O
C
setting to 0 to 2.
■
The controller does not change to RUN mode by pressing
RUN/HOLD
in the basic display
state
The currently selected program in READY
mode has not been set up.
The controller is in the END mode.
Key lock is enabled.
Select an already set up program.
Reset the controller to READY mode.
Set variable parameter
L
O
C
setting to 0 to 2.
Cause
Remedy
■
The controller does not change to HOLD mode by pressing
RUN/HOLD
in the basic dis-
play state
RUN mode is entered from READY or FAST mode. Press
RUN/HOLD key again.
Reset the controller to READY mode, and press
RUN/HOLD
twice.
Set constant-value operation data
M
.O
D
E
setting to 0.
Set variable parameter
L
O
C
setting to 0 to 2.
Cause
Remedy
■
The controller cannot be reset by pressing
PROG
+
RUN/HOLD
in the basic display state
“Reset in the program operation mode” refers to switching to the READY mode and
returning to the No.1 segment.
“Reset in the constant-value mode” refers to switching to the READY mode.
Cause
Remedy