Pump Will Not Start Or Run; Pump Starts Too Frequently - Xylem Goulds CentriPro Series Service Manual

Pump Will Not Start or Run. . .

Probable Cause
1. No power
2. Incorrect voltage
3. Defective pressure switch
4. Loose wire connections
5. Cable insulation damaged
6. Damaged or poor splice
7. Pump bound by sand or
abrasives

Pump Starts Too Frequently. . .

Probable Cause
1. Waterlogged tank
2. Check valve broken or stuck
open
3. Improper switch setting
4. Improper switch placement
5. Leaks in piping
6. Tank too small for pump
Recommended Action
1. Check for tripped circuit
breaker
2. Check with voltmeter
3. Inspect switch points and
wires
4. Check all connections and
splices
5. Perform cable check with
ohmmeter
6. Perform cable check with
ohmmeter
7. Pull pump and repair as
required
Recommended Action
1. Check tank pressure when
empty of water
2. Replace check valve
3. Adjust switch
4. Move switch closer to tank
5. Replace defective pipe
6. Install larger tank
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