Fountain pump suddenly does not turn the reason

Fountain pump suddenly does not turn the reason
Symptom: fountain pump does not rotate in normal use, the nozzle does not water. The ammeter's current is equal to zero or a short-circuit current value appears.
First, the power outage, it is timely to check whether the power a bit;
Second, the cable connector damage caused by a sudden stop, check the cable connector, re-wiring;
Third, the power switch failure trip, should check the power switch;
Fourth, the fuse blown or short-circuit the motor windings, turn off the power to check the cause;
Fifth, impeller stuck will fountain pump stalled, pump bearing axle, should immediately turn off the power, remove the impeller and bearings