16.troubleshooting
PROBLEM | POSSIBLE CAUSE | SOLUTION/REASONS |
No reading on the ammeter. | Clips are not making a good | Check for poor connections to |
| connection. | battery and frame. Make sure |
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| connecting points are clean. |
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| Rock clips back and forth for a |
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| better connection. |
| Ammeter may show no activity | |
| used. | at the |
Ammeter reading stays high. | Battery is severely discharged. | Continue charging battery for |
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| two more hours. If problem |
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| continues, have the battery |
| Wrong battery voltage | checked. |
| Verify that you are using a | |
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Ammeter reads less than se- | Extension cord is too long or | Use a shorter or heavier gauge |
lected charge rate when charg- | wire gauge is too small. | extension cord. |
ing a discharged battery | Weak cell or sulfated plate in | A sulfated battery will eventu- |
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| battery. | ally take a normal charge if left |
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| connected. If the battery will not |
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| take a charge, have it checked. |
| Battery is only partially dis- | Continue to charge the battery. |
| charged. |
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The charger is making an | Circuit breaker is cycling. | The settings may be wrong. |
audible clicking sound. |
| Check the charger settings. |
| Battery is defective. | Have the battery checked. |
| Shorted battery clips. | Circuit breaker cycles when |
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| current draw is too high. Check |
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| for shorted cables and replace if |
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| necessary. |
| Severely discharged battery, but | Allow charging to continue until |
| otherwise it is a good battery. | battery has a chance to recover |
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| sufficiently to take a charge. |
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| If more than 20 minutes, stop |
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| charging and have the battery |
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| checked. |
| Reverse connections at battery. | Shut the charger off and correct |
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| the lead connections. |
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Charger makes a loud buzz | Transformer laminations vibrate | No problem, this is a normal |
or hum. | (buzz). | condition. |
| Shorted SCR (hum). | Have charger tested by a Sears |
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| or other qualified service dealer. |
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