| PROBLEM | POSSIBLE CAUSE | SOLUTION |
| CONNECTED (red) LED isnot lit. | Thebattery is not connected correctly. | Checkfor a poor connection to the battery and frame. Make sure theconnection points are clean. Rock the clips back and forth for a betterconnection. |
| Reverseconnections at battery. | Shutthe charger off and correct the lead connections. |
| TheCHECK BATTERY (red) LED is blinking. | Thecharger is in Abort Mode. | Resetthe charger by disconnecting the battery. |
| Have battery checked. |
| The CHARGED (green)LED turns on a few minutes or less after connecting the battery. | Thebattery may be fully charged or recently charged, leaving the batteryvoltage high enough to appear to be fully charged. | Ifthe battery is in a vehicle, turn the headlights on for a few minutesto reduce the battery voltage and try charging again. |
| Thebattery may be sulfated. | Asulfated battery will eventually accept a charge. Continue charging fora few hours. If the charger cannot complete charging the battery, itwill go into Abort Mode. |
| Thecharger is making an audible clicking sound. | Thecharger has a relay that turns the current on and off to the battery. | Noproblem, this is a normal condition. |
| Charger will not turnon when properly connected. | ACoutlet is dead. | Checkfor open fuse or circuit breaker supplying AC outlet. |
| Poorelectrical connection. | Checkpower cord and extension cord for loose fitting plug. |
| Battery clips do not spark when touchedtogether. | Thecharger is equipped with an auto-start feature. It will not supplycurrent to the battery clips until a battery is properly connected.Unlike traditional chargers, the clips will not spark if touchedtogether. | Noproblem, this is a normal condition. |
| Schumacher User Manual Link |