AX - 3 S e r ie s O p e r a t i o n M a n u a l
A - 2
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A.1
Troubleshotting
A.1.1
Basic Troubleshooting Steps
This chapter includes the possible errors the can occur during operation, their causes, and corrective actions.
(1) Check the following:
The PLC should be operated in a safe environment (consider environmental, electronic, and vibration safeties).
Connect power supply correctly to the PLC.
Secure the module, terminal, and cable installations.
All LED indicators show correctly.
Set all switches correctly.
(2) Check the following operational functions:
Switch the RUN/STOP state
Check the settings for the AX-3 Series to RUN/STOP
Check and eliminate errors from external devices
Use the System Log function in DIADesigner-AX to check system operation and logs
(3) Identify possible causes:
AX-3 Series or external device
CPU or extension modules
Parameters or program settings
A.1.2
Clear the Error States
Use the following methods to clear the error states. If the error source is not corrected, the system continues to show errors.
(1) Switch the CPU model state to STOP and then to RUN.
(2) Turn off the CPU and turn it on again.
(3) Use DIADesigner-AX to perform
Reset Warn
to clear the error logs.
(4) Use DIADesigner-AX to perform
Reset Origin
to reset the CPU to default settings and then redownload the program
to start again.
Summary of Contents for AX-3 Series
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