InverterFR-A800Verification pending — cross-check with the official manual
FR-A800 E.MB1 to 7 — Brake sequence fault
Trip — immediate stop
CAUSE
Why does it occur?
- The inverter output is shut off when a sequence error occurs during use of the brake sequence function (Pr.278 to Pr.285)
- This protective function is not available in the initial status. (The brake sequence function is invalid.) (For details on fault records, refer to page 590.) Find the cause of t
REMEDY · Step by step
How to fix it?
Check the set parameters and perform wiring properly.
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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