Safety stop

What does SA mean?

This alarm appears when the safety stop function is activated, resulting in the shutoff of the inverter's output. It signifies a protective measure triggered by an emergency stop device or a disconnection within the safety circuit.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   If 'SA' is indicated while S1/PC and S2/PC are both conducted and the safety function is in use, check the wiring of terminals S1, S2, and SIC; if no wiring fault is found, contact your sales representative as it may indicate an internal failure.