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■
The program No. does not change by pressing
PROG
in basic display state
Cause
Remedy
Program selection by external switch input not 0. Set all external switch inputs RSW8 to 12 OFF.
The controller is not in the READY mode.
Reset the controller.
The controller is in the constant-value operation
mode.
Set constant-value operation data
.O
D
E
setting to 0.
Key lock is enabled.
Set variable parameter
L
O
C
setting to 0 to 2.
■
The program No. does not change by pressing
in the basic display
state
Cause
Remedy
Program selection by external switch input not 0 Set all external switch inputs RSW8 to 12 OFF.
The controller is not in the READY mode.
Reset the controller.
The controller is in the constant-value operation
mode.
Set constant-value operation data
.O
D
E
setting to 0.
Entry changeable display state by
in
MANUAL mode
Press
DISP
.
Key lock is enabled.
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
Cause
Remedy
The currently selected program in READY mode
has not been set up.
Select an already set up program.
The controller is in the END mode.
Reset the controller to READY mode.
Key lock is enabled.
Set variable parameter
L
O
C
setting to 0 to 2.
■
The controller does not change to HOLD mode by pressing
RUN/HOLD
in the
basic display state
Cause
Remedy
The controller is in the READY or FAST mode.
RUN mode is entered from READY or FAST mode. Press
RUN/HOLD
key again.
The controller is in the END mode.
Reset the controller to READY mode, and press
RUN/HOLD
twice.
The controller is in the constant-value operation
mode.
Set constant-value operation data
.O
D
E
setting to 0.
Key lock is enabled.
Set variable parameter
L
O
C
setting to 0 to 2.
9-5
Chapter 9. MAINTENANCE & TROUBLESHOOTING
9 - 3
Trouble during Key Entry