Omron CS1W-CLK12-V1, Operation Manual

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Cleaning and Inspection Section 10-6
Troubleshooting for Errors during Operation
In the CS1D System, online replacement can be performed for Controller Link
Units. For details, refer to page 255.
10-6 Cleaning and Inspection
This section describes cleaning and inspection procedures that are to be per-
formed as daily maintenance.
10-6-1 Cleaning
Conduct the following periodic cleaning to keep the Controller Link Unit in
optimum condition.
• Wipe the Unit with a dry, soft cloth daily.
• For stains that cannot be removed with a dry cloth, dip the cloth in
medium strength alcohol (2%), wring the cloth tightly, and then wipe down
the Unit.
• If glue, vinyl, or tape is left on the Unit for long periods of time, it will stain.
Remove these items during cleaning.
Not lit Not lit Flashing Not lit Duplex Communications
Setting Error Flags
(A435)
CPU Bus Unit Setting
Error Flag (A40207)
The was an error in the
standby Controller Link
Unit. If the RUN indicator still
does not light when the
Unit is mounted on
another PLC, replace it.
Not lit Lit Flashing Not lit (CPU standby) The was an error in the
active Controller Link
Unit. If the ERC indicator
lights when the Unit is
mounted on another
PLC, replace it.
The node address
setting for the active
Controller Link Unit is
out of the allowable
range. Set the node address of
the active Unit to the
same address as the
standby Unit in the range
1 to 62.
Active Unit Standby Unit Status area
(Auxiliary Area)
Probable cause Probable remedy
RUN ERC RUN ERC
Lit Not lit Flashing Not lit (No error) Both the active and
standby Units are oper-
ating normally. ---
Not lit Not lit Lit Not lit Duplex Communica-
tions Switched Flags
(A436) There was an error in
the active Controller Link
Unit. (The standby Unit
switched to active mode
and continued communi-
cations.) Replace the active Con-
troller Link Unit.
Lit Not lit Flashing Lit Duplex Communica-
tions Standby Unit Error
Flag (A437) The was an error in the
standby Controller Link
Unit. (The active Unit
continued communica-
tions.) Replace the standby
Controller Link Unit.
Lit Not lit Not lit Not lit Duplex Communica-
tions Standby Unit Error
Flag (A437) The was a watchdog
timer error in the standby
Controller Link Unit.
(The active Unit contin-
ued communications.) Replace the standby
Controller Link Unit.
Active Unit Standby Unit Status area
(Auxiliary Area)
Probable cause Probable remedy
RUN ERC RUN ERC