InverterFR-A800Verification pending — cross-check with the official manual
FR-A800 SA — Safety stop
Alarm — operational, inspection needed
CAUSE
Why does it occur?
Appears when safety stop function is activated (during output shutoff). (Refer to page 83.) • Check if an emergency stop device is activated. • Check if the shorting wire between S1 and PC or between S2 and PC is disconnected when not using the safety stop function.
REMEDY · Step by step
How to fix it?
- • An emergency stop device is active when using the safety stop function
- Identify the cause of emergency stop, ensure the safety and restart the system. • When not using the safety stop function, short across terminals S1 and PC and across S2 and PC with shorting wire for the inverter to run. • If
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Summary based on the official Mitsubishi Electric manual. For accurate and complete information, always consult the official manual.
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