AIM Manual
Motor Maintenance » All Motors (Page 45)
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System Troubleshooting (Continued)
Motor Runs Continuously
| A. Incorrect voltage | Using voltmeter, check the line terminals. Voltage must be within ± 10% of rated voltage. | Contact power company if voltage is incorrect. |
| B. Overheated protectors | Direct sunlight or other heat source can raise control box temperature causing protectors to trip. The box must not be hot to touch. | Shade box, provide ventilation or move box away from source. |
| C. Defective control box | For detailed procedures, see pages 48-57. | Repair or replace. |
| D. Defective motor or cable | For detailed procedures, see pages 45 & 46. | Repair or replace. |
| E. Worn pump or motor | Check running current, see tables 13, 22, 24, 25, & 27. | Replace pump and/or motor. |
Motor Runs But Overload Protector Trips
| A. Incorrect voltage | Using voltmeter, check the line terminals. Voltage must be within ± 10% of rated voltage. | Contact power company if voltage is incorrect. |
| B. Overheated protectors | Direct sunlight or other heat source can raise control box temperature causing protectors to trip. The box must not be hot to touch. | Shade box, provide ventilation or move box away from source. |
| C. Defective control box | For detailed procedures, see pages 48-57. | Repair or replace. |
| D. Defective motor or cable | For detailed procedures, see pages 45 & 46. | Repair or replace. |
| E. Worn pump or motor | Check running current, see tables 13, 22, 24, 25, & 27. | Replace pump and/or motor. |
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