12
9 . TROUBLESHOOTING
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Zero flow rate
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Poor flow rate
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Poor pressure
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The pump starts and stops too frequently
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Excessive current absorbed by the electro-pump
Possible causes related to the pump
(Motor and panel excluded)
Solution
██ █
Well water level too low
Wait until well water level is restored, or if
possible, lower the pump further
██
Suction screen clogged
Pull out the assembly and clean it
██
Delivery valve closed or blocked
Find and replace the defective valve
█
█
Pump silted up
Pull out the assembly and clean it
██ █
Wrong direction of rotation
Carry out instructions as in 4.2
█ █
Pump capacity exceeds well capacity
Replace pump with one of lower capacity
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Leaks in the system
Locate leaks and repair them
█
Worn pump
Pull out the assembly and overhaul it
█
Pressure switch or level control improperly set
Adjust setting
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Tank too small
Replace tank with a larger one
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Mechanical friction
Pull out the pump and overhaul it
