Self-Diagnostic Function - Panasonic AFPX-C30R User Manual

13.1 Self-Diagnostic function

13.1.1 LED Display for Status Condition
Status indicator LEDs on control unit
• The control unit has a self-diagnostic function which
identifies errors and stops operation if necessary.
• When an error occurs, the status of the status indicator
LEDs on the control unit vary, as shown in the table above.
RUN
Light (on)
Off
Normal
condition
Flashes
Light (on)
Abnormal Off
condition
Light (on)
or off
Status indicator LEDs on expansion FP0 adapter
POWER
Normal
Light (on)
condition
Light (on)
Abnormal Light (on)
condition
Light (on)
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LED status
ERROR/
PROG.
ALARM
Off Off
Light (on) Off
Flashes Off
Off Flashes
Light (on) Flashes
Light (on) Light
or off (on)
LED status
I/F ERROR
Light (on) Off
Flashes Off
Light (on) Flashes
Off Off
Description
Normal operation
PROG. mode
LED does not flash even if the forcing
output is performed in program mode.
Forcing input/output in Run mode
Flashes RUN and PROG. LED
alternately.
When a self-diagnostic error occurs
When a self-diagnostic error occurs
System watchdog timer has been
activated
Description
Normal operation
FP0 expansion unit is not connected.
The FP0 expansion unit, that had been connected
when the power supply for the FP-X control unit
turned on, came away.
An error has occurred in the communication of data
between the expansion FP0 adapter and FP0
expansion unit due to noise, etc.
The expansion FP0 adapter turned on later than the
FP-X control unit.
Operation
status
Operation
Stop
Operation
Operation
Stop
Stop