Other Errors - Omron CP1L Operation Manual

Troubleshooting

10-2-6 Other Errors

Communications Errors
570
■ CPU Unit Indicators
POWER
RUN
ERR/AL
INH
PRPHL
BKUP
Probable cause
An error has occurred in the communica-
tions between the peripheral port and con-
nected device.
An error has occurred in the communica-
tions between the serial port and connected
device.
POWER Lit
RUN Lit
ERR/ALM ---
INH ---
PRPHL ---
BKUP Not lit
Possible remedy
Confirm that the peripheral port settings in
the PLC Setup are correct.
Check the USB cable and replace it if neces-
sary.
Confirm that the serial port 1/2 settings in
the PLC Setup are correct. Check the cable
wiring. If a host computer is connected,
check the serial port settings and program in
the host computer.
Section 10-2