Panasonic FP3 Technical Manual page 99

When communication is not possible with any slave station
<Master station COM.: OFF, Slave stations 1 and 2 POWER: OFF,
COM: OFF, Other LEDs: normal status>
Master station
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
<Master station COM.: OFF, Slave stations 1 and 2 COM.: ON,
Other LEDs: normal status>
Master station
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
When the remote I/O control function cannot be used
<Master station COM.: ON, Slave stations 1 and 2 COM.: ON,
Other LEDs: normal status>
Master station
RUN
PROG.
TEST
COM.
BREAK
ALARM
ERROR
BATT.
ALARM
<FP3/FP10S <FP3
CPU> transmitter
master unit>
LED status
Slave station 1
POWER COM. ALARM
No power supply
No power supply or
Incorrect terminal station
Slave station 1
POWER COM. ALARM
Disconnection
Slave station 1
POWER COM. ALARM
7-2. Remote I/O Control When an Error Occurs
S Check that power is
properly supplied to
the slave stations.
Slave station 2
S Set the terminal
station correctly.
POWER COM. ALARM
S Check the wiring
between master and
slave station.
Slave station 2
POWER COM. ALARM
S Set operation mode
selector No. 1 on the
FP3 transmitter master
Slave station 2
unit to the OFF
position.
POWER COM. ALARM
Steps to take
93