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Generac G9.0L G26 — Activate Engine Shutdown Functionality

Operation · Auxiliary Engine Shutdown Switches

For the Generac G9.0L G26, from the Generac service manual.

Applies to: Generac 130 kW PME, Generac 150 kW PME, Generac 9.0L Gaseous Engine (G26) engine

Before you start

  • Shutdown mechanism, when activated, requires a mechanical reset.

Procedure

  1. Verify controller is powered and generator is OFF.
  2. Turn rocker switches ON to verify switches are disengaged.
  3. Turn one rocker switch OFF; controller should display Auxiliary Shutdown.
  4. If alarm appears, turn rocker switch ON and clear alarm.
  5. If no alarm, verify firmware version and wiring, then contact technical support.
  6. Repeat steps 1–3 for second rocker switch.

Specs & values

  • Generators 15 kW and larger require two engine shutdown switches.

Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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