Troubleshooting; Errors That Can Be Checked With Status Indicator And Actions To Take - Omron E3NX-FA Operation Manual

8 Troubleshooting and Maintenance
8-1

Troubleshooting

8-1-1 Errors that Can be Checked with Status Indicator and Actions to
Take
Errors can be notified by status indicators on Slave Units.
In this section, the states of status indicator are indicated using the following abbreviations.
Abbreviation
On
Off
F
B
SF
−
For details on definition of each state, refer to "6-3-1 Status Indicators" on page 6-4.
 Errors of Slave Unit
[L/A IN]
[PWR]
[L/A OUT]
indicator
LED
On F
Off Off
8 - 2
ON
OFF
Flickering (ON (50 ms) - OFF (50 ms) flashing)
Blinking (ON (200 ms) - OFF (200 ms) flashing)
Single flash (ON (200 ms) - OFF (1000 ms) flashing)
Unknown
[RUN] [ERR]
indicator indicator
On Off
Off Off
E3NW-ECT EtherCAT Digital Sensor Communication Unit Operation Manual (E429)
Definition
Description Cause
EtherCAT
communication −
is in progress.
The power is not
Power supply
properly supplied
error
to the Slave Unit.
Actions
PDO communications
or both PDO and SDO
communications are
being executed.
State is normal.
After removing the
following factors of
power supply shutdown,
restart the Slave Unit
according to the
specification of
connected EtherCAT
Master Unit.
• Are the power supply
cables wired
correctly?
• Are the power supply
cables disconnected?
• Is the power supply
voltage within the
specification range?
• Is the power supply
capacity sufficient?
• Is the power supply
malfunctioning?