e.
Pump over 1.5 V without installation of a “By-Pass” (according
to assembly diagram on page 4)
f.
If acids are poured into the skimmers without having
disconnected the rectifier.
g.
Use of a tank of acid inside the purification housing and/or the
machine chamber with insufficient ventilation.
h.
Puritron; also including the pump, filter and multiway valves
should not be in the same place with the cleaning equipments