What Does Sul Mean On A Schumacher Battery Charger - The charger has detected a problem with the battery. The charger cannot desulfate the battery. Many schumacher battery chargers come with led indicators or a digital display to indicate the charging progress. By following the steps mentioned above, you can try to address the sulfation problem and potentially restore the battery’s functionality. If the desulfation is not successful after 10 hours, the charger will go into abort mode. See troubleshooting and error codes for more information. The charger has detected a sulfated battery. Turn on the charger using the power switch or button. Web the “sul” message on your schumacher battery charger indicates sulfation, which is a common issue in lead acid batteries. If the desulfation is not successful after 10 hours, the charger will go into abort mode.
Turn on the charger using the power switch or button. The battery could not be desulfated; Monitor these indicators throughout the charging process to ensure everything is working correctly. By following the steps mentioned above, you can try to address the sulfation problem and potentially restore the battery’s functionality. The charger is charging/boosting the battery. Web the display will show sul when a sulfated battery is detected, and the charger will go into desulfation mode. If the desulfation is not successful after 10 hours, the charger will go into abort mode. The charger will go into desulfation mode. Web the “sul” message on your schumacher battery charger indicates sulfation, which is a common issue in lead acid batteries. The charger has detected a sulfated battery. The charger cannot desulfate the battery. Web clamps reversed/bad battery (red) led lit: See troubleshooting and error codes for more information. Many schumacher battery chargers come with led indicators or a digital display to indicate the charging progress. The charger has detected a problem with the battery. If the desulfation is not successful after 10 hours, the charger will go into abort mode. Have it checked or replaced: