Panasonic FP3 Technical Manual page 103

Communications error
When operation mode selector No. 2 of the FP3 transmitter master unit is OFF
(when the setting is made to terminate the remote I/O control of all slave stations in
the event of a communications error)
<Master station ERROR: ON, COM.: Flashing slowly,
Slave station 1 POWER: OFF, COM.: OFF, Slave station 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>
<Master station ERROR: ON, COM.: Flashing slowly,
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>
<Master station ERROR: ON, COM.: Flashing slowly,
Slave station 1 COM.: OFF, Slave station 2 COM.: OFF, ALARM: 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
Slave station 1
POWER COM. ALARM
Slave station 1
POWER COM. ALARM
Communications
error
7-2. Remote I/O Control When an Error Occurs
S Check that power is
properly supplied to
slave station 1.
Slave station 2
POWER COM. ALARM
S Check the wiring.
Slave station 2
POWER COM. ALARM
Disconnection
S Communications error
on slave station 2.
See page 101.
Slave station 2
POWER COM. ALARM
Steps to take
97