DCA-400SPK —TRAILER-BRAKETROUBLESHOOTING
Table 5. Electric Brake Troubleshooting
Symptom | Possible Cause | Solution | |
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No Brakes or Intermittent | Any open circuits or broken wires? | Find and correct. | |
Brakes |
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Any short circuits? | Find and correct. | ||
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| Faulty controller? | Test and correct. | |
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| Any loose connections? | Find and repair. | |
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| Ground wire secure? | Find and secure. | |
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Weak Brakes or Brakes | Grease or oil on magnets or linings? | Clean or replace. | |
Pull to One Side |
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Connections corroded? | Clean and correct | ||
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| cause of corrosion. | |
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| Brake drums scored or grooved? | Machine or replace. | |
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| Brakes synchronized? | Correct. | |
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Locking Brakes | Brake components loose, bent or | Replace components. | |
| broken? |
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| Brake drums | Replace. | |
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Noisy Brakes | System lubricated? | Lubricate. | |
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| Brake components correct? | Replace and correct. | |
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Dragging Brakes | Bearings of the wheel adjusted? | Adjust. | |
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