Service
Checklist for repair
c1 Severe mistakes: The pump does not work anymore.
Possibility 1: mistake with the contact, no power
2: piston is stuck
3. broken main spring.
c2 Soft mistakes: Reduction of the water deliverance
Possibility 4: Filter is dirty .
5. Dirty piston and inner tube,
6. Weared piston,
7. leaky water pipe
c3 Caution: If one tests the pump on spot on a sunny day, one can find the mistakes easily
c4 Was there a natural event before the mistake? E.g.lightning, tempest, strong rain, flaoting, dryness?
c5 Was there an event before the mistake? E.g. injury the cables? Was current supply disturbed?
c6 Was the pump not mainained for a long time?
c7 Is the pump in a new well? The sand locks the piston.
c8 The water turn-off level slopes strong. The pump hangs of the water
c9 Water is within the tester.
c10 The LED in the test should light up
c11 Are the solar modules in a good state?
c12 Are all cables connectionse OK?
Caution: the mistakes are not often in the electronic part but in the case of power supply.
c13 After rain and floating, sand or dirt would be able to have penetrated into the pump.
c14 After missing maintenance over a longer period, the work of the piston is prevented
c15 Sand in a new well locks the pump.
c16 Take the pump of the water and open the ground screw
c17 Remove the piston and the main spring and clean or change them.
c18 Seal of the exit of the water pipe. Let the pump work in a bucket in order to check the density of the water pipe.
c19 Remove the water pipe and let the pump works in a bucket in order to rinse the valves
c20 If the pump still not works, then change the control unit in the pump
c21 If the mistake remains, let the modules and water pipe how accustomed
c22 Send the pump including electro cable for the repair
Checklist for installation ---------------- Checklist for maintenance
