Read this operation manual thoroughly before requesting repair. Contact the dealer from whom the pump
was purchased. Servicing and troubleshooting must be handled by qualified persons with proper tools
and equipment. Common faults, root causes for these, and suggested actions are provided in TABLE 2 below:
Fault
Possible causes
Suggested actions
Pump does not
run
No power supply to the motor
Check for availability of power
Motor coil burnt
Rewind the motor
Low voltage operation
Operate in the recommended voltage range
The motor starter overload has
tripped
Reset the motor starter overload. If it trips again,
check the voltage
Pump is jammed
Dismantle the pump and clear the jammed parts
Blown fuse
Replace fuse
Loose connections
Tighten the electrical connections
Pump has been kept idle for a
long time
Ensure free rotation of shaft by running the pump
for a few minutes at least every alternate day
Less discharge
from pump
Low voltage operation
Check the supply voltage, Operate in the
recommended voltage range
Wrong direction of rotation
Interchange the supply connections of any two
phases
Increased delivery head
Ensure delivery head within specified value
11. Basic troubleshooting
Please follow the below procedure to install the Openwell Submersible.
Warning
To prevent serious accidents, disconnect the power supply before
inspecting the pump.
OMOW001A
21
2020.01
