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JET PUMP TROUBLESHOOTING D - PUMP WON'T SHUT OFF |
| CAUSE OF TROUBLE | HOW TO CHECK | HOW TO CORRECT |
| Wrong pressure switch setting or setting “drift” | Lower switch setting. If pump
shuts off, this was the trouble |
Adjust switch to proper
setting |
| Defective pressure switch |
Arcing may have caused switch contacts to “weld” together in closed position. Examine points and other parts of switch for defects | Replace switch if defective |
| Tubing to pressure switch plugged | Remove tubing and blow through it | Clean or replace if plugged |
| Loss of prime | When no water is delivered, check prime of pump and well piping | Re-prime if necessary |
| Low well level |
Check well depth against pump performance table to make sure pump and ejector are properly sized | If undersized, replace pump or
ejector |
| Plugged ejector | Remove ejector and inspect | Clean and reinstall if dirty |
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A-Pump will not start or run | B-Motor overheats | C-Frequent Starts and stops | D-Pump won't shut off | E-Little or no water delivered |
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