Try to clear the fault by unplugging AC power, waiting 30 seconds and reconnecting the AC. Check all battery connections. Look for a high resistance connection. The most likely reason for this fault is a fault in the battery such as a bad battery connection, an open cell, or insufficient water.

A smart charger is designed to observe your battery's status, and, provide a charge when necessary in order to maintain your battery, keeping it healthy and energised. This ensures your vehicle is ready to go, and prevents internal damage caused by running your battery down when not in use.

The 8 charge stages are: Battery Rescue, Soft Pulse, Pulse Charge, Soft Start, Bulk, Absorption, Battery Test and Float. BATTERY RESCUE Applies a high voltage to break down the Lead Sulfate build up in heavily sulfated batteries. SOFT PULSE Pulses a small current as the battery is starting to take charge.