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Informational· MBB / BMS log file

Kill Switch Active

Motor kill switch is in OFF position

SystemSource: MBBLog file condition
Last updated: July 30, 2026

What it means

Motor kill switch is in OFF position

InformationalNormal operation events, no action required.

Likely causes

  • Kill switch toggled off

What to do

  1. 1Toggle kill switch to RUN position
  2. 2Normal safety feature

Which bikes use this table

Recorded in the binary log rather than shown on the dash — every generation writes them.

Questions

What does "Kill Switch Active" mean in a Zero log?

Motor kill switch is in OFF position. It is written by the MBB. It is classed as informational: normal operation events, no action required.

What should I do about it?

Toggle kill switch to RUN position. Normal safety feature.

See when this actually happened on your bike

A dash code tells you the fault; the log tells you the pack temperature, the state of charge and the ten minutes leading up to it.

Upload a log

The code and its name are transcribed from Zero's own owner manuals; the severity, category and troubleshooting notes are ours. For official diagnostics, consult an authorized Zero Motorcycles dealer.