Troubleshooting - Zoeller 1450-0009 Manual Del Usuario

TROUBLESHOOTING

PROBLEM
Fuses blow
Motor won't start.
Fuses don't blow
POSSIBLE CAUSE
1. Incorrect voltage at motor
2. Defective fuse box or incorrect fuses
3. Defective pressure switch
4. Control box malfunction
5. Defective drop cable insulation
6. Motor malfunction
7. Pump malfunction
1. No power to start motor
2. Defective drop cable or motor
CORRECTIVE ACTION
1. Check for correct wire size.
Replace undersize wire. Check
line voltage, contact power
company if voltage is incorrect
2. Inspect fuse box wiring and
correct.
Install the proper fuses
3. Replace pressure switch or
clean contacts
4. See control box checking and
repairing procedures. Replace
defective components
5. Check drop cable insulation
resistance. Pump must be
pulled to replace defective
cable
6. Check motor winding
resistance. Pump must be
pulled to replace defective
motor
7. If all above checks are good,
then pump is probably bound.
Pump must be pulled. Check
for sand or pump shaft
misalignment. Correct well
condition if sand is the problem
1. Check voltage at line side
of fuse box. Contact power
company if no power is
reaching box. Check voltage
at load side of fuse box and at
other control devices in circuit.
Make necessary corrections
2. Check motor winding
resistance. Pump must be
pulled to replace defective
cable or motor
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