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223
Troubleshooting Using Indicators
Section 9-1
Lit
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Lit
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Routing table setting error
or a Routing Table Enable
Bit setting error.
Remake and set the rout-
ing table correctly, referring
to 7-4 Setting Routing
Tables. When no routing
table is being used, turn
OFF the Routing Table
Enable Bit.
The Unit is mounted to a
non-compatible PC.
Refer to 1-2-4 Controller
Link Unit Models and PCs
and reinstall the Unit on
the appropriate PC.
An error has occurred in
the PC.
Refer to the PC’s operation
manual and correct the
error. If the error occurs
again, replace the PC.
EEPROM error
Refer to 9-2 Status Area
and Troubleshooting, cor-
rect the data where the
error has occurred, and
reset the Unit. If the error
occurs again, replace the
Controller Link Unit.
Lit
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Not lit Terminating resistance is
not set correctly.
Turn ON the terminating
resistance at the nodes at
both ends of the Network
and turn it OFF at all other
nodes.
Cables are not connected
correctly.
Check the cable connec-
tions and reconnect cor-
rectly.
The node address is larger
than the maximum node
address set for the network
parameters.
Either reset the maximum
node address using the
Controller Link Support
Software or reset the node
address to below the maxi-
mum.
No other nodes exist.
Ensure that 2 or more
nodes exist within the Net-
work.
No nodes have been set as
polling nodes.
Refer to 8-1-2 Setting the
Polling and Polled Nodes
and set at least one polling
node. (Controller Link
Units should normally be
set as polling nodes.)
The same operating level
is set more than once for
the same PC.
Reset so that each operat-
ing level is used only once.
The Bus Connection Unit
has become loose.
Tighten the mounting
screws on the Bus Con-
nection Unit (C200HX/HG/
HE PCs only).
The set baud rate is differ-
ent to other nodes.
Refer to SECTION 4 Prep-
arations for Communica-
tions and set all nodes on
the network to the same
baud rate.
Indicators
Probable cause
Probable remedy
RUN
ERC
ERH
INS
Содержание CVM1-CLK21
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