Mitsubishi Electric MELSEC Q Series Reference Manual page 521

Error code Error
Transient transmission with
E21B
H
own station No. unspecified
E21C
H
to Network module error
E223
H
Attribute code error
E224
H
(RIRD/RIWT instruction)
Access code error
E225
H
(RIRD/RIWT instruction)
E226
H
Network module error
E227
H
E236
IP data TTL error
H
E237
IP address setting error
H
E240
H
Target network module error
to
(Dedicated instruction)
E245
H
E246
H
to Network module error
E24E
H
Target station No. error
E24F
H
(Dedicated instruction)
E250
Network module error
H
Duplicated dedicated
E251
H
instruction reception error
E252
H
Network module error
E253
H
Target station CPU type error
E254
H
(Dedicated instruction)
Data size error (Dedicated
E255
H
instruction)
Arrival monitoring time
E256
specification error (Dedicated
H
instruction)
Error detail
Transient transmission was
attempted without specifying
a station No. of the own
station.
The hardware has failed.
Attribute code is not set
correctly for the RIRD/RIWT
instruction.
Access code is not set
correctly for the RIRD/RIWT
instruction.
The hardware has failed.
TTL detected 0 IP data.
A valid IP address is not set.
The hardware of the target
network module has failed.
The hardware has failed.
The target station No. setting
is not correct.
The hardware has failed.
Transient data for the same
dedicated instruction have
been received two times or
more.
The hardware has failed.
The target station CPU type
setting is not correct.
The data length setting is not
correct.
The arrival monitoring time
was not specified correctly.
CHAPTER 10 TROUBLESHOOTING
Corrective action
• Specify a station No. in the UINI instruction, and then
retry it.
• Replace with the CC-Link IE Controller Network module
that has the send points extension function.
• If the error persists even after taking the above action,
please consult your local Mitsubishi representative.
• Please consult your local Mitsubishi representative.
• Check the Attribute code in the control data, and then
retry the instruction.
• If the error persists even after taking the above action,
please consult your local Mitsubishi representative.
• Check the Access code in the control data, and then
retry the instruction.
• If the error persists even after taking the above action,
please consult your local Mitsubishi representative.
• Please consult your local Mitsubishi representative.
• Correct the TTL at the IP request source and retry the
operation.
• Correct the IP address of the control station and retry
the operation.
• Please consult your local Mitsubishi representative.
• Confirm the target station No. in the control data, and
retry the operation.
• If the error persists even after taking the above action,
please consult your local Mitsubishi representative.
• Please consult your local Mitsubishi representative.
• Check the network status in the CC IE Control
diagnostics.
• Please consult your local Mitsubishi representative.
• Confirm the target station CPU type in the control data,
and retry the operation.
• If the error persists even after taking the above action,
please consult your local Mitsubishi representative.
• Confirm the data length in the control data, and retry the
operation.
• If the error persists even after taking the above action,
please consult your local Mitsubishi representative.
• Confirm the arrival monitoring time in the control data,
and retry the operation.
• If the error persists even after taking the above action,
please consult your local Mitsubishi representative.
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