Fanuc 31iAB - 401 VRDY Off

[M.RISHIKESH]

Dear Experts

Soon after control ON, we are getting error 401 VRDY Off for all axes
We have tried by replacing control card of Fanuc PSM
Checking connectors and wiring for CX3(MCC) and CX4(ESP)

Please advice further steps

Regards

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[Nil27]

Confirm that you MCC contactor getting on. After EMG release. If yes need to check check EMG circuit

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[M.RISHIKESH]

Thanks for your response, we found loose connection between CX4(ESP) on control card of Fanuc PSM and IO PCB, same fixed then ok

[Nil27]

Ok

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