Owner-safe troubleshooting guide

Respond to a low battery-voltage warning

Follow the source-directed return and dealer escalation when the battery-voltage warning activates.

Before you begin

Confirm the boat remains controllable and avoid opening or working on the electrical system while underway.

Safety

Do not perform charging-system diagnosis, battery charging, wiring repair or terminal work as part of this guide.

Steps

  1. Recognize the flashing battery indicator or voltage value as a low-voltage warning.

  2. Return to port immediately when it is safe to do so.

    Safety: Keep control of the boat and obtain assistance if safe return is not possible.

    Stop: Stop for electrical heat, smoke, odor, visible damage or loss of safe control.

  3. Consult a Yamaha dealer about battery charging and diagnosis.

    Safety: Do not diagnose, charge or repair the electrical system in this guide.

When to stop

If safe return is not possible or electrical heat, smoke, odor or damage is present, stop and obtain assistance.

Professional help

Return to port immediately when safe and consult a Yamaha dealer about charging and diagnosis.

Related situations