Omron NX-PA Series User Manual page 153

3
Attach the new Fan Unit.
(1) Put the locating part of the Fan Unit to the locating part on the back of the CPU Unit.
(2) Use the locating part as a supporting point and push the Fan Unit into the CPU Unit.
Make sure that the lever is securely locked and there is no lifting-off of the Fan Unit.
The power supply connection for the Fan Unit is established when it is attached to the CPU Unit.
Wiring is not required.
4
Turn ON the power supply to the Controller and check the operation for about a minute.
Make sure that the fan does not generate abnormal noise or vibration, and a Slow Fan error
does not occur.
NX-series CPU Unit Hardware User's Manual (W535)
6 Inspection and Maintenance
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