286
LED Indicators and Error Processing
Section 9-2
Lit
Not lit
Flashing
Slice I/O Unit
(GRT1-TS2
@
)
ERR1
Red
Input error occurred in input 1. Check the following items.
• Check if the sensor is disconnected, never
was connected, short-circuited, or wired
incorrectly.
• Check the terminal block to see if it is dis-
connected.
• If using a 2-wire connection, check to be
sure the SHT terminals are shorted.
• Check the sensor to see if it is of the cor-
rect input type.
• Check to see if the temperature is outside
the convertible temperature range.
Cold junction compensator
error occurred.
Check the cold junction compensation
(GRT1-TS2T only.)
---
There is no input error for
input 1. (Not lit when input
error detection is disabled
using the input error detec-
tion disable setting.)
GRT1-OD4G-
3
PWR
Green
I/O power and Unit power are
being supplied.
---
---
I/O power or Unit power is not
being supplied.
Check whether power is being supplied by
the I/O power supply and Unit Power Sup-
ply.
GRT1-PD2,
GRT1-PD8,
and GRT1-
PD8-1
I/O Power
Feed Units
or
GRT1-PC8,
and GRT1-
PC8-1
I/O Power
Connection
Units
IO
PWR
Green
I/O power is being supplied
normally.
---
---
I/O power is not being sup-
plied to the Unit.
Check whether power is being supplied
from the I/O power supply.
An overcurrent has occurred. Check the ERR indicator on the GRT1-
PD2G only.
GRT1-PD2G I/
O Power Feed
Unit
ERR
Red
An overcurrent has occurred. Remove the overcurrent, and then turn the
power supply OFF and ON or input a reset
signal.
---
An overcurrent has not
occurred.
---
GRT1-TBL
Left Turnback
Unit
UNIT
PWR
Green
Unit power supply is providing
power normally.
---
---
Unit power supply is not being
supplied to the Unit.
Check whether power is being supplied by
the Unit power supply.
IO
PWR
Green
I/O power supply is providing
power normally.
---
---
I/O power supply is not being
supplied to the Unit.
Check whether power is being supplied by
the I/O power supply.
Unit
LED
name
Color
Status
Meaning
Likely cause of error
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: ......