Troubleshooting For Errors; Fatal Errors In The Cpu Unit - Omron CK3M Seres Hardware User Manual

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Troubleshooting for Errors

6-3-1

Fatal Errors in the CPU Unit

For fatal errors in the CPU Unit, take the following corrective actions depending on the nature of the
error.
Description
Power Supply Unit
power supply error
CPU Unit power
supply error
CK3M/CK5M Series Programmable Multi-Axis Controller Hardware User's Manual (O036)
Cause
Power is not supplied Check the following items and adequately supply power to the
to the Power Supply unit.
•
Unit Is the power turned on?
•
Is the power cable wired correctly?
•
Is the power cable free of damage?
Input voltage is out of Check the following items and adjust the voltage so that it falls
allowable range within the allowable range.
•
Is the power supply voltage within the specified range?
•
Is the capacity of the power supply sufficient?
•
Is the power supply failing?
Output current of the Check the following items and adjust the voltage so that it does
power supplied to the not exceed the maximum current capacity.
•
encoder exceeds the Does encoder current consumption exceed the maximum cur-
maximum current ca-
rent capacity?
•
pacity
Is the encoder connector wiring connected correctly?
•
Has the encoder cable short-circuited?
•
Is the encoder failing?
Power supply error of Remove the connected Units one by one, and if the error is elimi-
mounted unit nated, replace that Unit.
The number of con- Check whether the connected Units exceed the maximum con-
nected Units exceeds nectable number. The maximum connectable number is 2
the maximum capaci- CK3W-AX Units.
ty
Power Supply Unit If the error persists even after you make the above corrections,
failure replace the Power Supply Unit.
Connection error be- Make sure that the Power Supply Unit and the CPU Unit are con-
tween the Power nected correctly.
Supply Unit and the
CPU Unit
CPU Unit or Power If the error persists even after you make the above corrections,
Supply Unit failure replace the CPU Unit or the Power Supply Unit.
6 Troubleshooting
Corrective action
6
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