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A <br /> TROUBLESHOOTING <br /> Fault Cause <br /> I The pump does not run a. The fuses are blown <br /> b. The GFI circuit breaker has tripped. <br /> c. No electricitv supply. <br /> d. The motor protection has cut off the <br /> electricity suooly due to overload. <br /> e. The drop cable is defective. <br /> f. Overvolta a has occurred. <br /> 2.The pump runs but gives a. The discharge is closed. <br /> no water. b. No water or too low water level in well. <br /> c. Check valve is stuck in it's closed position. <br /> d. The suction strainer is closed. <br /> e. The pump is defective. <br /> 3.The pump runs at reduced a. The drawdown is larger than anticipated. <br /> capacity. <br /> b. The valve s in the discharge pipe are partly <br /> closed blocked. <br /> c. The discharge pipe is partly chocked by <br /> impurities iron bacteria). <br /> d. The non-return valve ofthe eurnp is blocked. <br /> e. The pump and the riser pipe are partly <br /> choked by imourities Iron bacteria). <br /> f. The pXkmp is defective. <br /> . Mole in discharge pipe. <br /> : h. The riser pipe is defective. <br /> i. UndervoltaiZe has occurred. <br /> 4.Frequent starts and stops. a. The differential of the pressure switch <br /> between the start and stop pressures istoo <br /> small. <br /> b. Thewaterlevel electrodesorlevelswitches <br /> in the reservoir have not been installed <br /> correctly <br /> c. Check-valve is leaking or stuck half-open- <br /> d. <br /> alf-o en_d. The supply voltage is unstable. <br /> 13 <br /> r , <br /> .1 <br /> i. <br /> I <br /> i <br />