InverterFR-A800Verified · sol.ls-electric.com
FR-A800 E.OSD — Spd deviation fault
Trip — immediate stop
CAUSE
Why does it occur?
• The inverter output is shut off if the motor speed is increased or decreased under the influence of the load etc. during Vector control with Pr.285 Overspeed detection frequency set and cannot be controlled in accordance with the speed command value. • If the motor is accelerated against the stop
REMEDY · Step by step
How to fix it?
- • Set Pr.285 and Pr.853 correctly. • Keep the load stable. • Set Pr.369 (Pr.8
- correctly.
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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