Troubleshooting
WUME-SCHG1C-4
8-7
8-4 What to do when a problem occurs
■ Power indicator (Green) is not lit
Cause
Solution
Power is not supplied.
Check if the capacity of the power supply is sufficient.
Connect the power supply correctly.
The power supply voltage is not within the
specifications.
Correctly set the power supply voltage.
A connector for connection to a controller is not
firmly connected.
Firmly connect the connector.
■L_ERR indicator (RED) is lit or blinking
State
Cause
Solution
ON
An out-of-range station number was
set when the power was turned on.
Check if the switch type setting is correct.
Cycle the power OFF - ON.
Blinking The switch type setting was changed
after the power was turned on.
Change the switch type setting to the setting that was in effect
before the power was turned on.
To apply a change, cycle the power OFF - ON.
■ ERR indicator (RED) is lit or blinking
State
Cause
Solution
ON
CC-Link communication has been inter-
rupted.
Check if the CC-Link connectors are correctly connected.
Connect correctly.
CC-Link data link has failed.
Check if the parameter settings and switch type setting are
correct.
Cycle the power OFF - ON.
Blinking Communication between controllers is
not taking place normally.
Check the connection of connected units.
Cycle the power OFF - ON.
<Important>
If the product still does not operate normally after you check the above, consult our technical sup-
port center.
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Страница 107: ...5 1 5 Specifications 5 1 Specifications 5 2 5 2 Dimensions 5 3 ...
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Страница 125: ...Revision History 1st edition 1 27 2017 2nd edition 9 8 2017 3rd edition 9 30 2019 4th edition 12 1 2019 ...
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