Handling Errors And Alarms; Indicators And Error Flowchart - Omron CS1W-AD041-V1 Operation Manual

Handling Errors and Alarms

3-8 Handling Errors and Alarms
3-8-1

Indicators and Error Flowchart

Indicators
Troubleshooting
Procedure
Error occurs.
Yes
Is the ERC indicator
lit?
No
Yes
Is the ERH indicator
lit?
No
Refer to 3-8-5
Troubleshooting.
120
If an alarm or error occurs in the Analog Input Unit, the ERC or ERH indica-
tors on the front panel of the Unit will light.
LED Meaning
RUN (green) Operating
ERC (red) Unit has
detected an
error
ERH (red) Error in the
CPU Unit
ADJ (yellow) Adjusting
Use the following procedure for troubleshooting Analog Input Unit errors.
Yes
Is the RUN indicator
lit?
No
Yes
Is the RUN indicator
lit?
No
Front panel of Unit
RUN
ERC
ERH
ADJ
Indicator Operating status
Lit Operating in normal mode.
Not lit Unit has stopped exchanging data with
the CPU Unit.
Lit Alarm has occurred (such as disconnec-
tion detection) or initial settings are incor-
rect.
Not lit Operating normally.
Lit Error has occurred during data exchange
with the CPU Unit.
Not lit Operating normally.
Flashing Operating in offset/gain adjustment
mode.
Not lit Other than the above.
Alarm has occurred at the Analog Input Unit.
(Refer to 3-8-2 Alarms Occurring at the Analog Input Unit.)
Check whether the initial settings for the Analog Input Unit
are set correctly.
(Refer to 3-8-2 Alarms Occurring at the Analog Input Unit.)
Error detected by CPU Unit
(Refer to 3-8-3 Errors in the CPU Unit.)
Check whether the unit number is set correctly.
(Refer to 3-8-3 Errors in the CPU Unit.)
Section 3-8