Troubleshooting - Zoeller 1463-0006 Instrucciones

TROUBLESHOOTING

PROBLEM
Little or no 1. Casing not initially filled with water
discharge
2. Suction lift too high, or too long
3. Hole or air leak in suction line
4. Foot valve too small
5. Foot valve or suction line not submerged
deep enough in water
6. Motor wired incorrectly
7. Casing gasket leaking
8. Suction or discharge line valves closed
Pump will not 1. No priming water in casing
deliver water
2. Leak in suction line
or develop
3. Discharge line is closed, and priming air
pressure
has nowhere to go
4. Suction line (or valve) is closed
5. Foot valve is leaking
6. Suction screen clogged
Loss of suction 1. Air leak in suction line
2. Suction lift too high
3. Insufficient inlet pressure or suction head
4. Clogged foot valve or strainer
Pump vibrates 1. Mounting plate or foundation not rigid
and/or makes enough
excessive noise
2. Foreign material in pump
3. Impeller damaged
4. Worn motor bearings
Pump will not 1. Improperly wired
start or run
2. Blown fuse or open circuit breaker
3. Loose or broken wiring
4. Stone or foreign object lodged in impeller
5. Motor shorted out
6. Thermal overload has opened circuit
POSSIBLE CAUSE
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CORRECTIVE ACTION
1. Fill pump casing
2. Move pump closer to water source
3. Repair or replace. Use pipe tape and
pipe sealing compound.
4. Match foot valve to piping or install one
size larger foot valve.
5. Submerge lower in water
6. Check wiring diagram
7. Replace
8. Open
1. Fill pump casing
2. Repair or replace
3. Open ball valve
4. Open
5. Replace foot valve
6. Clean or replace
1. Repair or replace
2. Lower suction lift, install foot valve, and
prime
3. Increase inlet pressure by adding more
water to tank or increasing back pressure
4. Unclog
1. Reinforce
2. Disassemble pump and clean
3. Replace
4. Replace
1. Check wiring diagram on motor
2. Replace fuse or close circuit breaker
3. Tighten connections, replace broken
wiring
4. Disassemble pump and remove foreign
object
5. Replace
6. Allow unit to cool. Restart after reason for
overload has been determined.
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