Troubleshooting - EBARA 6BHE Gebrauchs- Und Aufstellungshandbuch

9. TROUBLESHOOTING

Poor pressure
The pump starts and stops too frequently
Excessive current absorbed by the electro-pump
Well water level too low
Suction screen clogged
Pump silted up
Wrong direction of rotation
Pump capacity exceeds well capacity
Worn pump
Pressure switch or level control improperly set
Mechanical friction
12
Solution
Wait until well water level is restored, or if
possible, lower the pump further
Pull out the assembly and clean it
Find and replace the defective valve
Pull out the assembly and clean it
Carry out instructions as in 4.2
Replace pump with one of lower capacity
Pull out the assembly and overhaul it
Adjust setting
Pull out the pump and overhaul it