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Section
9-1
Troubleshooting Using Indicators
126
9-1
Troubleshooting Using Indicators
This section describes the errors shown by the Controller Link Support Board
indicators and possible remedies.
Optical Ring System
(H-PCF Cable and GI Cable)
Wired System
Name
Status
Description
RUN
Lit
The Board is operating normally.
ERR
Lit
An error has occurred.
INS
Lit
Participating in network.
LNK
Lit
Sending data link (participating in data link)
Flashing
Error in the data link table settings.
PS)
Lit
Backup power supply is ON.
TER
Lit
Terminating resistance switch is ON (resistance is connected).
Note
1. The P/S indicator is mounted to the Optical Ring Units only.
2. The TER indicator is mounted to the Wired Units only.
9-1-1 Using the RUN, ERR and INS Indicators
The Controller Link Support Board’s RUN, ERR, and INS indicators can be used
to check whether Controller Link Support Board startup and Network participa-
tion are operating normally.
Note Be sure to turn OFF the power to the computer before performing any of the fol-
lowing.
•
Disconnecting the Board or connectors.
•
Securing Board or connectors.
•
Setting hardware switches.
Indicators
Error
hi
Probable cause
Probable remedy
RUN
ERR
INS
history
y
Lit
Not
lit
Lit
---
Unit operating normally; Network
participation normal.
---
Not
lit
Lit
---
---
The Controller Link Support Board is
faulty.
If the ERC indicator still lights when the
Board is mounted on another computer,
replace the Controller Link Support
Board.
Not
lit
Not
lit
Not
lit
---
Power is not being supplied correctly to
the computer.
Check the power supply voltage and
supply at the recommended voltage.
The Controller Link Support Board has
become loose.
Secure the Controller Link Support Board
firmly.
The Controller Link Support Board is
mounted in the wrong slot.
Refer to the Installation Guide and mount
the Board correctly.
The Controller Link Support Board is
faulty.
If the indicators do not light when the
Board is mounted in another computer,
replace the Controller Link Support
Board.
Lit
Lit
Not
lit
0211 Hex
The same node address is being used by
two different Units.
Reset so that each node address is used
only once within the same Network.
The Board is connected to a SYSMAC
LINK network.
Check the networks and correct the cable
connections.