Panasonic FP3 Technical Manual page 113

<Master A ERROR: ON, 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 RUN: OFF, COM.: OFF, Master B ERROR: ON, 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 ERROR: ON, COM.: OFF, ALARM: ON, Master B ERROR: ON,
COM.: OFF, Other LEDs: normal status>
Master A
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
Note:
If operation mode selector No. 2 of master A is in the OFF position and a communications error is generated,
the COM. LED of master A flashes slowly (in approx. 1 s intervals).
When the COM. LED flashes slowly, see troubleshooting on page 108.
LED status
Master B
There is probably
an abnormality.
<FP3/FP10S
CPU>
Master B
No power supply
<FP3/FP10S
CPU>
Master B
There is probably
an abnormality.
<FP3/FP10S
CPU>
7-3. I/O Link Control When an Error Occurs
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>
Steps to take
S See troubleshooting on
page 109.
S Make sure power is
properly supplied to
master A.
S See troubleshooting on
page 108.
107