FR-F800 E.SAF — Safety circuit fault

CAUSE

Why does it occur?

 The inverter trips when a safety circuit fault occurs.  The inverter trips if the either of the wire between S1 and SIC or S2 and SIC becomes non- conductive while using the safety stop function.  When not using the safety stop function, the inverter trips when the shorting wire between terminals S1 and PC or across S2 and PC is disconnected.  Check that the safety relay module or the connect

REMEDY · Step by step

How to fix it?

1.  When using the safety stop function, check that wiring of terminal S1, S2 and SIC is correct and the safety stop input signal source such as a safety relay module is operating properly
2. Refer to the Safety stop function instruction manual for causes and countermeasures. (Please contact your sales representative for the manual.)  When not using the safety stop function, short across terminals S1

SOURCE

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