Ext Fault S6

Was bedeutet EF6 ?

An external fault condition exists connected to a multi-function digital input terminal S6. This implies an issue with an external device or wiring connected to this specific input, which could stop the drive or cause unintended behavior. This can also appear as a flashing alarm.

• Malfunction of the external device connected to digital input terminal S6 (e.g., tripped overload relay, open limit switch).
• Open circuit in the control wiring between the external device's output and drive terminal S6.
• Incorrect configuration of parameter H1-06 (S6 Function Selection) for the intended external fault condition (e.g., N.O. vs N.C.).
• Loss of control power (e.g., 24VDC from terminal SN or SC) to the external device or input circuit.
• Electrical noise or transient interference on the S6 input line causing a spurious fault detection.

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1. 1

   Measure the state of the external device connected to terminal S6 (e.g., continuity of a normally closed contact, voltage output of a sensor).

2. 2

   Verify wiring continuity between the external device's output and drive terminal S6 using a multimeter.

3. 3

   Confirm parameter H1-06 (S6 Function Selection) is configured for the correct external fault type (e.g., 'External Fault normally closed').

4. 4

   Temporarily bypass the external device by jumpering terminal S6 to the common terminal (SN or SC) to isolate the drive from the external circuit.

5. 5

   Inspect the shielding and routing of the S6 input cable for proximity to power cables or sources of electromagnetic interference (EMI).