AUTOMATIC FILTERS INSTRUCTIONS MANUAL
FC/D - FAC/D
s.r.l.Milano - ITALY Page 14 of 14
p11.02-v34.f fcd_mi-r1.doc
9. Trouble shooting guide
PROBLEM CAUSE HOW TO SOLVE
• The electronic programmer does not
switch ON.
• electrical power is disconnected
• the programmer is defected
• connect electrical power
• replace the programmer
• The regeneration does not run • electrical power is disconnected
• the programmer is not correctly adjusted
• the programmer is defected
• connect electrical power
• adjust correctly the programmer
• replace the programmer
• Regeneration is electrically started
but it does not run hydraulically
• there is not supplying of pilot fluid (air or water)
• one or more solenoyd valves are defected
• connect properly the supplying of pilot water or
compressed air
• replace the defected solenoyd valves
• There is a leakage of water to drain
during service
• one or both membrane valves no. 1 and 5 do not
close properly.
• check the proper working of the pilot solenoyd valves
• check and clean the seat of the plate of the
membrane valve
• The unit does not feed water • the membrane valve no. 2 does not open • check the proper working of the pilot solenoyd valve
• There is a leakage of filtering media
to the drain or to the outlet line
• one nozzle of distribution system is damaged or
broken
• replace the nozzle
