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F4 error e-ef - Inverter Electronics - Others

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If you are talking about at KEB F4 inverter, error E.EF = External fault.

This is a programmed response to a input signal or software condition.

Posted on Sep 03, 2014


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E.EF = External Fault.

E.EF is a programmable error triggered by user programmed conditions. This can be triggered by a digital input or a software input which is programmed as E.EF.

Most F5 inverters have "I3" (terminal #12) programmed as External fault. If a 24Vdc signal is applied to this terminal the unit will trip into E.EF. *This is programmable and may not be the functionality of a programmed inverter.

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