Go through this manual thoroughly before requesting repair. Contact the dealer from whom this equipment was
purchased. Servicing and troubleshooting must be handled by qualified persons with proper tools and equipment.
Common faults, root cause for these and suggested actions are provided in TABLE 2 below:
Fault Possible causes Suggested actions
Pump does
not discharge
water
Faulty foot valve / strainer Check and replace
Pump not primed Prime the pump
Air leakage on the suction side Check and correct for leakages
Suction lift too high Reduce the static suction lift
Foot valve not sufficiently
submerged
Lower the foot valve and ensure that the foot
valve is submerged at least 1 metre below the free
surface of water
Motor coil burnt Rewind the motor
Low-voltage operation Operate in the recommended voltage range
Less discharge
from pump
Low voltage operation
Operate in the recommended voltage range
Wrong direction of rotation
Repair in the nearest authorized service centre
Static suction lift high
Position the pump within recommended suction lift
Total head higher than specified
Ensure delivery head within specified value
Leaky pipes
Check the piping system and rectify the faults
Smaller pipe size used when
compared to nameplate
recommendations
Use recommended size of pipes
11. Basic troubleshooting
Warning
To prevent serious accidents, disconnect the power supply before
inspecting the pump.
OMMM001A 21 2020.01
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