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Message Communications Errors Section 7-6
7-6 Message Communications Errors
The following table shows the main errors that may occur when messages are
sent or received. Refer to SECTION 14 Troubleshooting and Error Processing
for corrective measures and details on errors that are recorded in error log but
not indicated by the LED indicators.
Note The 7-segment display alternately displays the error and the node address of
the node where the error occurred.
Error Indicators Error code
(Hex)
MS NS 7-segment
display
(See note.)
Routing table error Flashing red No change HC 021A
IP address duplication error No change Lit red F0 0211
CPU Unit service monitoring error
Flashing red
No change HE 0002
Other CPU error Not lit H7 0006
Too many retries, cannot send
No change No change No change
0103
Node address setting error, cannot send 0105
Remote node not part of network, cannot send 0107
No Unit with specified unit address, cannot send 0108
CPU Unit error occurred, cannot send 010B
Destination address not set in routing tables, cannot send 010D
Routing tables not registered, cannot send 010E
Routing tables error occurred, cannot send 010F
Too many relay connections, cannot send 0110
Maximum command length exceeded, cannot send 0111
Header error; cannot send 0112
Reception buffer full, packet discarded 0117
Invalid packet discarded 0118
Local node busy, cannot send 0119
Unexpected routing error 0120
Service not supported in present mode, packet discarded 0122
Transmission buffer full, packet discarded 0123
Maximum frame length exceeded, routing impossible 0124
Packet discarded due to response time-out 0125
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