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oH2 alarm code in yaskawa P1000 drive

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Cause : External Overheat (H1-XX=B) comes when an external device sent an oH2. Find the external device that output the overheat alarm. Remove the cause of the problem. Clear the Overheat Alarm (oH2) [H1-xx = B] that was set to MFDI terminals S1 to S8.

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