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11.7
Error Codes and Warning Codes
This section describes error codes and warning codes.
If an error not described in this manual occurs on an IO-Link device, refer to the manual of the IO-Link device
used.
List of error codes and the warning codes
The error codes and warning codes are classified into the following three types.
Classification
Error code
Warning code
(1) Disabled mode, (2) IO-Link mode, (3) SIO mode, (4) Power supply mode
: Detection possible, : Detection not possible
Error code
Classificati
(hexadecimal)
on
1800H
Minor error
1802H
Minor error
1804H
Minor error
1805H
Minor error
*1
1806H
Minor error
*1
1808H
Minor error
11 TROUBLESHOOTING
134
11.7 Error Codes and Warning Codes
Major error
Moderate error
Minor error
Error name
Description and
cause
Non-volatile memory
The event history stored
error (event history)
on the non-volatile
memory was lost.
Station number switch
The station number
changed error
setting switches have
been changed with the
module power on.
Function setting switch
The function setting
1 changed error
switch 1 has been
changed with the
module power supply
on.
Function setting switch
The function setting
2 changed error
switch 2 has been
changed with the
module power supply
on.
Disconnection error
A status in which
communication cannot
be established with IO-
Link devices due to
disconnection.
Device validation error
Device validation results
show that an IO-Link
device not compatible
with other IO-Link
devices or the one
which has no identity is
installed.
Description
An error that cannot be recovered
An error where the module cannot continue to operate
An error where the module can continue to operate
Action
If the same error occurs
frequently, a module
hardware failure exists.
Please consult your local
Mitsubishi representative and
explain the symptom in
details.
Reset the station number
setting switch to the original
setting.
Reset the switch to the setting
before the change.
Reset the switch to the setting
before the change.
Check the connection. If the
same error is shown again, a
device failure may exist.
• Check the device validation
data registered to the IO-
Link module and the device
validation data held by the
currently connected IO-Link
device using "Read Device
Validation Data" of
"Command Execution of
Slave Station" and connect
an IO-Link device that
matches.
• Change the device
validation settings and
reconnect the IO-Link
device.
Errors detectable in each
operation mode
(1)
(2)
(3)
(4)
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Troubleshooting
