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8-4-3
List of Device Events and Troubleshooting
The list of registered device events and corrections is as below.
IO-Link
event
code
Event name
CX-Configura-
torFDT display
*1
Type Description Correction
5000
hex Hardware
Error Error Appeared:
Device hardware
fault Error The Non-volatile Mem-
ory Hardware Error was
detected. Cycle the Unit/input power supply to the
IO-Link I/O Hub. If this error persists af-
ter you cycle the power supply, replace
the IO-Link I/O Hub.
5111
hex Unit/Input
Power Sup-
ply Voltage
Drop Warning Ap-
peared:
Primary supply
voltage under-run Warn-
ing The Unit/input power
supply voltage is low. Check if the Unit/input power is sup-
plied. If it is supplied, check if the power
supply voltage is not below the specifi-
cation.
6320
hex Service Da-
ta Error Error Appeared:
Parameter error Error The power supply to
the IO-Link I/O Hub
was interrupted while
writing of the setting
parameters for the IO-
Link I/O Hub. Alterna-
tively, communications
with CX-Configura-
torFDT were interrupt-
ed. Download the setting parameters for
the IO-Link I/O Hub again. Do not inter-
rupt the power supply to the IO-Link I/O
Hub or communications with CX-Con-
figuratorFDT during download.
7701
hex I/O Cable
Disconnec-
tion Error Appeared:
Wire break of sub-
ordinate device 1 Error The I/O cable is bro-
ken. Check the wiring of the I/O cable.
7710
hex I/O Cable
Short-circuit Error Appeared:
Short circuit Error There is a short-circuit
in the I/O cable. Check the wiring of the I/O cable.
8CB0
hex Output Pow-
er Supply
Voltage
Drop Warning Ap-
peared:
Secondary supply
voltage fault Warn-
ing The output power sup-
ply voltage is low. Check if the output power is supplied. If
it is supplied, check the following:
•
Pin 2 of the IO-Link Master Unit port
is in SIO (DO) Mode and ON
If it is supplied, check if the power sup-
ply voltage is not below the specifica-
tion.
8DFE
hex Non-volatile
Memory
Write Error Warning Ap-
peared:
Non-volatile Mem-
ory Write Error Warn-
ing Failed to write to the
non-volatile memory. Download the setting parameters for
the IO-Link I/O Hub again. If the prob-
lem persists after you download the set-
ting parameters, replace the IO-Link I/O
Hub.
*1. Appears in Value of Detailed Device Status .
8 Troubleshooting
8-11
NXR-series IO-Link I/O Hub User’s Manual (W620)
8-4 Checking for Errors and T
roubleshooting with the Device Events
8
8-4-3
List of Device Events and T
roubleshooting