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SUBMERSIBLE WELL PUMP TROUBLESHOOTING F - MOTOR DOES NOT START, BUT FUSES DO NOT BLOW |
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CAUSE OF TROUBLE |
HOW TO CHECK |
HOW TO CORRECT |
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1. Overload protection out. |
Check fuses or circuit breaker to see that they are operable. |
If fuses are blown, replace, if breaker is tripped, reset. |
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2. No power. |
Check power supply to control box (or overload protection box) by placing a voltmeter across incoming power lines. Voltage should be approximate nominal line voltage. |
If no power is reaching box, contact power company for service. |
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3. Defective pressure switch. |
Examine wiring in control box to make sure all connections are tight. With a voltmeter, check voltage at motor wire terminals, if no voltage is shown at terminals, wiring is defective in control box. |
Correct faulty wiring or tighten loose contacts. |
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4 .Defective pressure switch. |
With a voltmeter, check voltage across pressure switch while the switch is closed. If the voltage drop is equal to the line voltage, the switch is not making contact. |
Clean points or replace switch. |
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A-Fuses Blow-startup | B-Little water delivery | C-Frequent Starts | D-Fuses blow-running | E-Pump will not shutoff |
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