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End Suction Centrifugal
Fault
Abnormal noise or
excessive vibrations.
Motor overheating.
Appearance of smoke
and/or bad smell.
Low rotation speed.
EBARA
PUMPS AMERICAS CORPORATION
www.pumpsebara.com
(t) 803.327.5005
Causes
- Operation without a phase.
- Power surges.
- Friction between the rotor and
stator.
- Obstructions in the cooling fan.
- Fault in installing the motor.
- Poor Star/Delta commutation.
- High power surges.
- Fan is blocked.
- Wrong voltage.
- The bearings are blocked.
- Stator short-circuited.
- Stator grounded.
- Low voltage.
- Poor Star/Delta commutation.
- Overloading.
- Defective electrical connection.
(f) 803.327.5097
GS Series
Measures to be taken
- Check the power supply.
- Correct the power surges.
- Align and/or replace the bearing.
- Remove foreign bodies.
- Connect the pump correctly.
- Correct the cabling.
- Correct the power surges.
- Release the fan.
- Change the motor for one with
the appropriate voltage.
- Repair the bearings.
- Repair in specialist workshop.
- Repair in specialist workshop.
- Change the nominal voltage.
- Correct the cabling.
- Reduce the current.
- Correct the electrical
connections.
18
rev. 03/22
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