Panasonic FP3 Technical Manual page 110

7-3. I/O Link Control When an Error Occurs
<Master A COM.: OFF, Master B PROG.: OFF, COM.: OFF,
Other LEDs: normal status>
Master A
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
<Master A COM.: OFF, Master B ERROR: ON, COM.: OFF, ALARM: ON,
Other LEDs: normal status>
Master A
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
<Master A COM.: OFF, Master B COM.: OFF, Other LEDs: normal status>
Master A
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
104
LED status
Master B
No power supply
<FP3/FP10S
CPU>
Master B
There is probably
an abnormality.
<FP3/FP10S
CPU>
Master B
Incorrect
terminal station
<FP3/FP10S
CPU>
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3 transmitter
master unit>
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3 transmitter
master unit>
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3 transmitter
master unit>
Incorrect terminal
station and incorrect
master station setting
Steps to take
S Make sure power is
properly supplied to
master B.
S See troubleshooting on
page 109.
<Terminal station
setting>
S Set operation mode
selector No. 3 of
master A and B to ON.
<Master station
setting>
S Set operation mode
selector No. 1 of
master B to ON.