NOCO Genius BOOST XL GB50, User Manual & Warranty, Page: 7 / 28

EN
Reverse polarity/Reverse the battery connections. Error LED: Solid Red
Unit is fully operational, but approaching upper temperature limit. / Allow the unit to cool. Hot LED: Solid
Unit is too hot to jump start, but other functions are still available. / Allow the unit to cool. Hot LED: Flashing
Connected battery is below 2-volts/ Remove all loads, and try again, or use Manual Override Mode.
Boost Light Does Not Come On w/Cables
Connected Properly
Unit is fully operational, but approaching lower temperature limit. / Allow the unit to warm up. Cold LED: Solid
Unit is too hot to jump start or use other functions. / Allow the unit to cool, and bring the unit into cooler
environment.
Hot LED: Flashes Then All LEDs Off
Unit is too cold to jump start, but other functions are still available. / Allow the unit to warm up. Cold LED: Flashing
Error Reason/Solution
Troubleshooting
Cold LED: Flashes Then All LEDs Off Unit is too cold to jump start or use other functions. / Allow the unit to warm up, and bring the unit into
warmer environment.