Understanding Advanced Diagnostics on GENIUS2D
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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