Panasonic FP3 Technical Manual page 100

7-2. Remote I/O Control When an Error Occurs
When the slave station number is overlapped or the wrong I/O points are set
<Master station ERROR: ON, COM.: OFF, ALARM: Flashing,
Slave stations 1 and 2 COM.: OFF, Other LEDs: normal status>
Master station
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
When the ALARM LED on the FP3 transmitter master unit is ON
<Master station ERROR: ON, COM.: OFF, ALARM: ON, Slave stations 1 and
2 COM: OFF, Other LEDs: normal status>
Master station
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
94
LED status
Slave station 1
POWER COM. ALARM
There is probably
an abnormality.
Slave station 1
POWER COM. ALARM
S Check that all slave
station numbers are
correctly registered.
Slave station 2
S Set the I/O points
correctly using
operation mode
POWER COM. ALARM
selector Nos. 5 through
8.
S See troubleshooting on
page 98.
Slave station 2
POWER COM. ALARM
Steps to take