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FbH
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Excessive PID Feedback
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The FbH detection level is set incorrectly.
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Adjust b5-36 [PID High Feedback Detection Lvl] and b5-37 [PID High Feedback Detection Time].
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There is a problem with the PID feedback wiring.
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Correct errors with the PID control wiring.
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The feedback sensor is not operating correctly.
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Examine the sensors on the control device side.
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A fault occurred in the feedback input circuit of the drive.
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Replace the control board or the drive. For information about replacing the control board, contact Yaskawa or your nearest sales representative.
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Note:
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The drive detects this fault if the PID feedback input is more than the level set in b5-36 for longer than b5-37.
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Do a Fault Reset to clear the fault.
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If the drive detects this fault, it will operate the motor as specified by the stop method set in b5-12 [Feedback Loss Detection Select].
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