E.MB5

Brake sequence fault

Mitsubishi Electric · FR E700

What does E.MB5 mean?

This brake sequence fault stops the inverter output due to a sequence error occurring during the operation of the brake sequence function (configured by Pr. 278 to Pr. 283). This protective feature is not active in the initial inverter status. It indicates a timing or logical error in the controlled braking process.

Repair Steps

  1. 1

    Review the settings for the brake sequence parameters (Pr. 278 to Pr. 283) and adjust as necessary.

  2. 2

    Verify that all wiring related to the brake sequence is correctly connected and secure.

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Verified technical data. Last updated: March 2026