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reefe
.com.au
Ascento Group Australia
©
AI.062020
P: 1800 807 604
TROUBLESHOOTING
TROUBLE
CAUSE
REMEDY
Does not start. Starts, but
immediately stops.
1.
Power Failure
2.
Large discrepancy between power source and voltage
3.
Significant drop in voltage
4. Motor Phase malfunction
5.
Electric circuit connection faulty
6.
Faulty connection of control circuit
7.
Fuse blown
8.
Faulty magnetic switch
9.
Water is not at level indicated by float
10. Float is not at appropriate level
11. Float defective
12. Short circuit breaker is functioning
13. Foreign matter clogging pump
14. Motor burned out
15. Motor bearing a failure
1-3. Contact electric power company and devise counter
measures
4. Inspect connections an magnetic switch
5.Inspect electric circuit
6.Correct wiring
7. Replace with correct type of fuse
8. Replace correct type of magnetic switch
9. Raise water level
10. Move float to appropriate starting level
11. Repair or replace
12. Repair location of short circuit
13. Remove foreign matter
14. Repair or replace
15. Repair or replace
Operates, but stops after
a while.
1.
Prolonged dry operation has activated motor protector and
caused the pump to stop.
2.
High liquid temperature has activated motor protector and
caused the pump to stop
1.
Raise stop water level
2.
Lower liquid temperature
Does not pump.
Inadequate volume.
1.
Reverse Rotation
2.
Significant drop in voltage
3.
Operating a 60Hz pump on 50Hz
4. Discahrge head is high
5.
Large piping loss
6.
Low operating water level causes air suction
7.
Leaking from discharge piping
8.
Clogging of discharge piping
9.
Foreign matter in suction inlet
10. Foreign matter clogging pump
11. Worn impeller
1.
Correct rotation (operation 2,3)
2.
Contact electric power company and devise counter
meaures
3.
Check nameplate
4. Recalculate and adjust
5.
Recalculate and adjust
6.
Raise water level or lower pump
7.
Inspect, repair
8.
Remove foreign matter
9.
Remove foreign matter
10. Dissassemble and remove foreign matter
11. Replace impeller
Over Current
1.
Unbalanced current and voltage
2.
Significant voltage drop
3.
Motor phase malfunction
4. Operating 50Hz pump on 60Hz
5.
Reverse rotation
6.
Low head, Excessive volume of water
7.
Foreign matter clogging pump
8.
Motor bearing is worn or damaged
1.
Contact electric power company and devise counter
measure
2.
Contact electric power company
3.
Inspect connections and magnetic switch
4. Check nameplate
5.
Correct rotation (see page 7)
6.
Replace pump with low head pump
7.
Disassemble and remove foreign matter
8.
Replace bearing
Pump Vibrates; excessive
operating noise.
1.
Shut off valve closed too far
2.
Piping resonates
3.
Reverse rotation
1.
Open shut off (valve)
2.
Improve pipe mounting
3.
Correct rotation (see page 7)