SC-HG1 Series FB Library Reference Manual for Mitsubishi MELSEC iQ-R series Sequencer
WUME-SCHG1IQRFB-1
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Appendix 2.2.
Connection error (SC-HG1-CEF)
If the communication with the CC-Link IE Field master/local module fails or a module error occurs, you can check the
error with the indicators of SC-HG1-CEF.
Common to both normal mode and network number setting mode
Indicator Status
Description of error
Meaning
Power
supply
indicator
(Green)
OFF Power supply error
Check the power supply wiring.
Check whether or not the power (24V) is supplied to the
communication unit.
The power supply capacity varies depending on the
controller type and the number of connected controllers.
Confirm the specifications of the connected controllers.
STS2
indicator
(Red)
ON Mode selection error
Check if the mode setting switch is correctly set.
At the time of setting the network number
Indicator Status
Description of error
Meaning
STS2
indicator
(Red)
ON Network number setting error
Check whether or not the network number setting is outside
the valid range.