C500LK009V1 Omron, C500LK009V1 Datasheet - Page 132

• Manufacturer Part Number: C500LK009V1
• Description: PC LINK UNIT
• Manufacturer: Omron

Specifications of C500LK009V1

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Troubleshooting
8-1
Error Indications
118
RUN indicator not
lit
ERC indicator lit
ERH indicator lit
INS indicator not lit
LNK indicator flash-
ing
Error indicator
Troubleshooting
SYSMAC LINK Unit faulty.
PC not connected to power supply.
PC’s power supply voltage too low.
SYSMAC LINK Unit mounting screws are loose.
SYSMAC LINK Unit mounted in wrong slot.
PC faulty.
Node address
setting is
incorrect.
Communica-
tions Control-
ler is faulty.
Unit mounted to faulty PC.
Unit mounted to incompatible PC.
EEPROM error.
Watchdog timer error in PC.
Terminator connection faulty.
Cable connection faulty.
Local node’s node number greater than the
maximum node number set in the polling unit’s
network parameters.
Data link table error on local node.
Error when reading EEPROM.
Data link table of currently operating node and
data link table of the local node don’t match.
Local node has no data link table.
i
Note Node numbers cannot be modified with the power on. To change node numbers,
i
y
The table below lists error conditions, their probable cause, and possible reme-
dies.
first turn off the power, then change the settings, making sure not to duplicate
any node numbers.
Probable cause
Not between 1 and 62
Duplicated setting
Hardware problem in the
communications part of the
Unit.
Power supply
selection
se ec o
circuit is
unstable.
Power Supply
Unit is faulty.
Power supply
section of the
Unit is faulty.
Connectors
are broken or
have poor
contact.
External
power supply
has dropped.
Replace Unit.
Connect to power supply (check connectors).
Adjust voltage to within recommended range.
Tighten screws.
Move Unit to correct slot.
Replace PC.
Set the node address to between 1 and 62.
Set the node addresses again so that each
address is used only once and then restart.
Replace the SYSMAC LINK Unit.
Replace the Power Supply Unit.
Replace the SYSMAC LINK Unit.
Check connectors and replace them if
necessary.
Check the primary side of the Power Supply
Unit.
Replace PC.
Replace PC.
Re-initialize network parameters and data link
tables or replace Unit.
Replace PC.
Connect Terminator correctly.
Connect cables correctly.
Increase the maximum node number or
decrease the local node number.
Re-create data link table.
Re-create data link table or replace PC.
Stop data link and modify the data link table of
either the currently operating node or the local
node so they match.
Create a data link table.
Remedy
Section 8-1