fanuc error 401

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01 Jun 2018 20:18 #111411 by bahrabadi
fanuc error 401 was created by bahrabadi
Hi guys.my machine have a aannoying error.10 min after power on this error apears and a led turn on in drive board.the controller is fanuc0m and servos are fanuc too.any suggestion?
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02 Jun 2018 01:51 #111429 by Todd Zuercher
Replied by Todd Zuercher on topic fanuc error 401
I often see those alarms with a power supply problem. Such as a power blink or dropped phase will set them.

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02 Jun 2018 17:31 #111463 by bahrabadi
Replied by bahrabadi on topic fanuc error 401
how can i be sure?

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