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| 9/10/2024 7:40 PM | |
Joined: 9/10/2024 Last visit: 11/6/2024 Posts: 7 Rating:
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Hello all, we are having alarm 2120 NCK Fan, 700203, and 700204 Sinumrik 840D. We have changed the NCU fan, the UE module, the NCU card, the NCU power supply, and the ribbon cable but we still are not getting a running NCU fan. We have also tested the NCU fan that we used to replace the original with in another machine and it runs fine. Any suggestions. ------------------------------------------------------------------------------------------ |
Last edited by: Control CNC at: 09/10/2024 20:23:26Last edited by: Wit_Moderator at: 09/11/2024 12:17:22New subject after splitting |
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| 9/16/2024 4:25 PM | |
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Joined: 9/10/2024 Last visit: 11/6/2024 Posts: 7 Rating:
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We have replaced the NCU box but the fan did not come back on. |
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