TROUBLESHOOTING
PROBLEM | POSSIBLECAUSE | SOLUTION | |
No Reading on Amps Digital Display. | Clips are not making a good connection. | Check for poor connection at battery. | |
| 2 amp charge rate being used. | Make sure clamps and posts are clean. | |
| Battery may not want to accept a charge | ||
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| due to excessive run down state. | |
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| Digital Display may show no activity at | |
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| the 2 amp setting. | |
No reading on Digital Display and | AC cord and/or extension is loose. | Check AC outlet and extension cords for | |
charger fan is not working. |
| loose fitting plug. | |
| Poor electrical connection. | Check for open fuse or circuit breaker | |
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| supplying AC outlet. | |
| Switch is in OFF position. | Turn Switch on. | |
No reading on Digital Display. | Battery severely discharged. | Continue to charge battery for another | |
or | SELECT DISPLAY MODE and SELECT | two hours. If problem continues, call | |
Customer Service at | |||
Digital Display does not change. | VOLT/CHARGE RATE may have been | ||
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selected incorrectly. | Check if SELECT DISPLAY MODE and | ||
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| SELECT VOLT/CHARGE RATE options | |
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| are selected correctly. | |
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Circuit breaker in charger cycles on and | Shorted battery clamps. | Circuit breaker cycles when current draw | |
off with a clicking sound. | Shorted battery. | is too high. Separate the clamps. Check | |
| for worn cables and replace if needed. | ||
| Charger leads reversed. | ||
| Correct connections. | ||
| SELECT VOLT/CHARGE RATE button | ||
| Correct Volt/Amp Selector setting. | ||
| set to an incorrect range. | ||
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Short start cycle when cranking engine. | Drawing more than 150 amps for a | Crank time varies with the amount of | |
| period equal to or less than 3 seconds. | current drawn. If cranking draws more | |
| Failure to wait for 3 minutes (180 | than 150 amps, crank time may be less | |
| than 3 seconds. | ||
| seconds) between cranks. | ||
| Wait 3 minutes before next crank. | ||
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Digital Display reads less than selected | Extension cord too long or wire gauge is | Use shorter or heavier gauge extension | |
charge rate when charging a discharged | too small. | cord. | |
battery. | Weak cell or sulfated plate in battery. | Sulfated battery will eventually take a | |
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| normal charge after a period of time. If | |
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| the battery will not take a charge, have a | |
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| qualified technician test the battery. | |
| The battery is only partially discharged. | Continue to charge battery. | |
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Charger makes a loud buzz or hum. | Transformer laminations vibrate (buzz). | Continue charging. Buzz is not abnormal. | |
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UNITED STATES LIMITED WARRANTY
SCHUMACHER ELECTRIC CORPORATION, 801 BUSINESS CENTER DRIVE, MOUNT PROSPECT, ILLINOIS,
Schumacher Electric Corporation warrants this battery charger for 3 years from date of purchase at retail against defective material or workmanship. If such should occur, the battery charger will be repaired or replaced at the option of the manufacturer. It is the obligation of the purchaser to forward the battery charger together with proof of purchase, transportation and / or mailing charges prepaid to the manufacturer or its authorized representative. This limited warranty is void if the product is misused, subjected to careless handling, or repaired by anyone other than the factory or other authorized factory representative. The manufacturer makes no warranty other than this limited warranty and expressly excludes any implied warranty including any warranty for consequential damages.
This is the only express limited warranty and the manufacturer neither assumes nor authorizes anyone to assume or make any other obligation towards the product other than this express limited warranty. The manufacturer makes no warranty of merchantability or fitness for purpose of this product and expressly excludes such from this limited warranty. Some states do not allow the exclusion or limitation of incidental or consequential damages or length of implied warranty so the above limitations or exclusions may not apply to you. “This warranty gives you specific legal rights, and you may have other rights which vary from state to state.”