Understanding Advanced Diagnostics on GENIUS2D

Understanding Advanced Diagnostics on GENIUS2D

NOCO GENIUS2D charger is equipped with advanced diagnostics to help identify and resolve battery problems.

Standby Mode

The charger is in Standby Mode or the battery voltage is too low for the charger to detect.

Error

Charger is connected to the battery in reverse, or battery voltage is too low to detect. Ensure Positive clamp is connected to Positive terminal, and Negative clamp is connected to Negative terminal.

High Temperature

The charger's internal temperature is too high. Charger will resume once the temperature is back within operating limits.

Bad Battery

Error and Standby LEDs single-flash. Battery will not hold a charge. Have the battery checked by a professional.

Battery Short

Error and Standby LEDs double-flash. There is a possible battery short, have the battery checked by a professional.

High Voltage

Error and Standby LEDs triple-flash. The battery voltage is too high for the select charge mode. Check the battery.

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Emergency Contact Information

1.800.456.6626 8AM-5PM (MST)
Monday-Friday
For non-urgent support, please Request A Callback
For Fastest Response, Use 'Chat' or 'Send a Message' Above