Omron CS1W-SLK11-21 - 06-2004, Manual

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Troubleshooting Section 8-1
8-1 Troubleshooting
This section explains errors that may occur and how to solve them.
8-1-1 Error Indications
You can check possible system errors using the indicators on the front panel
of the SYSMAC LINK Unit. The tables below list error conditions, their proba-
ble cause, and possible remedies.
RUN, ERC, ERH, and INS Indicators
Indicators CPU Bus Unit CIO
Area error
information
Error
log
Probable cause Remedy
RUN ERC ERH INS
Lit Not lit Not lit Lit --- --- Unit is participating in
network normally. ---
Not lit Not lit Not lit Not lit --- --- Power to PLC is
turned OFF. Check the voltage, and check
that power is being supplied
normally.
--- --- SYSMAC LINK Unit
mounting is loose. Firmly fix the SYSMAC LINK
Unit to the Backplane.
--- --- SYSMAC LINK Unit
mounting position is
incorrect. Refer to 2-3 Mounting to
Backplanes , then mount the
Unit correctly.
--- --- SYSMAC LINK Unit is
faulty. Replace the SYSMAC LINK
Unit if the indicators fail to
light even when mounted to
another PLC.
Not lit Lit Not lit Not lit --- --- SYSMAC LINK Unit is
broken. Replace the SYSMAC LINK
Unit if the ERC indicator fails
to light even when mounted
to another PLC.
Both bit 08 (node
address setting error)
and bit 15 (error log
information) are ON. 0214
Hex Node address setting
is out of range. Correct the node addresses
to within the range of 1 to 62,
then turn ON the power
again.
--- Lit Not lit Not lit Both bit 01 (data link
table error) and bit 15
(error log informa-
tion) are ON. 0210
Hex Communications con-
troller error. Replace the SYSMAC LINK
Unit.
Lit Lit --- Not lit Both bit 09 (duplicate
node address setting
error) and bit 15 (error
log information) are
ON. 0211
Hex Table contains dupli-
cate node addresses. Change the settings so that
there are no duplicate node
addresses in the same net-
work, then turn ON the power
again.
Wrong connection to
network (optical fiber
only). Check the network, and
reconnect the cables cor-
rectly.
Not lit Not lit Lit Not lit --- --- The I/O table in the
CPU Unit has not
been created, or con-
tains an error. Set the I/O table correctly.
--- --- Table contains dupli-
cate unit numbers. Change the settings so that
there are no duplicate unit
numbers at the same PLC
(including any on CS-series
Expansion Racks), then turn
ON the power again.