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291
Other Errors
Section 9-4
9-4
Other Errors
Status
Likely cause and remedy
The Communications Unit’s
Unit Power LED is flashing.
The Unit power supply capacity is insufficient. Check the entire Slice I/O Terminal’s power
supply requirement and replace the power supply with one that has sufficient capacity.
The Communications Unit
repeatedly checks LEDs. (A
DeviceNet Communication
Unit’s MS/NS LED flash green
and red).
The I/O Unit repeatedly
checks LEDs (TS LED flash-
ing green and red).
The Unit power supply capacity is insufficient. Check the entire Slice I/O Terminal’s power
supply requirement and replace the power supply with one that has sufficient capacity.
The Communications Unit’s
TS indicator flashes green.
The I/O Unit’s indicator in
front of the bad connection
lights green and the indicator
behind the bad connection
goes OFF.
The slide connector on the left side of the affected Unit is not connected properly. Con-
nect this slide connector properly and turn the power ON again.
The Communications Unit’s
TS indicator flashes green
and the I/O Unit’s TS indicator
lights green.
The End Unit is not connected properly. Connect the End Unit properly and turn the
power ON again.
The TS indicator is light green
on all of the Slice I/O Termi-
nals and the Communications
Unit indicators do not indicate
an error. The output indicators
on the Digital Output Units are
ON while the outputs are
being sent from the Master
Unit, but the outputs are actu-
ally OFF.
The Slice I/O Unit is not properly connected to the base block (see below). The I/O power
is cut off. Check the Slice I/O Units and make sure that each one is connected mated
properly to the adjacent Units. (Refer to
3-1-2 Connecting Additional Slice I/O Units
.)
Comm
u
nications
Unit Indicator
I/O Unit Indicator
Bad connection
Not lit (OFF)
LED Indicator
Comm
u
nications
Unit Indicator
I/O Unit Indicator
Bad connection
End Unit
LED Indicators
The I/O po
w
er s
u
pply
connector on the O
u
tp
u
t Unit
is not mated correctly.
Summary of Contents for SMARTSLICE GRT1-DRT
Page 1: ...OPERATION MANUAL Cat No W455 E1 08 SmartSlice GRT1 Series Slice I O Units ...
Page 3: ...SmartSlice GRT1 Series Slice I O Units Operation Manual Revised December 2018 ...
Page 4: ...iv ...
Page 6: ...vi ...
Page 20: ...xx EC Directives 6 ...
Page 62: ...42 Connecting Turnback Cables Section 3 3 ...
Page 250: ...230 Maintenance Information Window Section 7 3 Maintenance Information Window ...
Page 292: ...272 GRT1 CP1 L Positioning Unit Section 7 5 ...
Page 300: ...280 GRT1 END End Unit Section 8 5 Dimensions 11 9 11 9 55 7 1 5 19 5 83 5 2 9 2 9 OMRON ...
Page 322: ...302 Troubleshooting by Unit Section 9 5 ...
Page 350: ...330 Explicit Messages Appendix A ...
Page 354: ...334 Power Consumption and Weight Tables Appendix C ...
Page 356: ...336 I O Current Consumption Table Appendix D ...
Page 364: ...344 Revision History ...
Page 365: ......