Sonic Alert DCP301 user manual Trouble during Key Entry, Cause Remedy

Chapter 9. TROUBLESHOOTING

9-2 Trouble during Key Entry

■The program No. does not change by pressing PROG in basic display state

Cause	Remedy
Program selection by external switch input not	Set all external switch inputs RSW8 to 12 OFF.
0.
The controller is not in the READY mode.	Reset the controller.
The controller is in the constant-value opera-	Set constant-value operation data M .O D E setting to 0.
tion mode.
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	Set all external switch inputs RSW8 to 12 OFF.
0
The controller is not in the READY mode.	Reset the controller.
The controller is in the constant-value opera-	Set constant-value operation data M .O D E setting to 0.
tion mode.
Entry changeable display state by	Press DISP .
in MANUAL mode
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	Select an already set up program.
mode has not been set up.
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 dis- play 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 opera-	Set constant-value operation data M .O D E setting to 0.
tion mode.
Key lock is enabled.	Set variable parameter L O C setting to 0 to 2.

■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
The controller is in the READY mode.	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.)
Key lock is enabled.	Set variable parameter L O C setting to 0 to 2.
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