A.J. Antunes & Co UF-440 9700453 - Manual (Page 15)

UF SERIES watER FIltRatIon SyStEm
15 P/N 1010827 Rev. E 03/12
A.J. Antunes & Co.
trOUblesHOOtInG
problem possible cause corrective action
Unit does not have power. The power cord is not correctly plugged
in.
Plug power cord in correctly.
The Control Display is blank. The power cord is not correctly plugged
in.
Plug power cord in correctly.
Control Board is inoperable. Contact your maintenance person or Authorized
Service agency.
Transformer is inoperable.
No water comes out of the filter
system
Inlet Valve closed open the Inlet Valve
Inlet Strainer is plugged Clean/replace Inlet Strainer
End of the capillaries plugged Clean/replace Filter Cartridge
Low water flow/pressure out of
system
See above. See above.
The system may be in a flush cycle. Wait for the flush cycle to end.
Flushing program not set correctly for
water conditions.
Decrease the flush interval and increase the
flush duration (refer to the operation section of
this manual).
Drain Valve is stuck open. Replace/rebuild the Drain Valve.
The inlet water pressure is too low. Boost the inlet water pressure/replace pipes.
Water tastes bad. Storage/shipping solution not completely
flushed out of system.
Flush system for a longer period of time.
Biological growth in pipes. Sanitize plumbing.
Water conditions changed. Consider installing taste and odor filtration.
Broken capillary in Filter Cartridge. Replace Filter Cartridge.
Flush runs continuously. Drain Valve stuck open. Replace/rebuild the Drain Valve.
Controller sending continuous signal to
valve.
Replace the controller.
Flush runs too long. Program duration set too long. Re-program the unit to flush for a shorter dura-
tion of time.
Flush occurs at time of high water
usage.
The Flush Interval is set to interfere with
water use.
Change Flush Interval/reprogram time. Unplug
unit and plug in at a time of lower water usage.
Water splashes at drain during
flush.
Drain line not positioned properly. Reposition the end of the drain line.
Water leaks at the ends of the
Filter Cartridge after changing
cartridges.
Cartridge end connections are not tight
enough.
Tighten with strap wrench if necessary.
o-rings not lubricated. Lubricate o-rings with food-grade lubricant.
o-rings are split, cut, or twisted Replace o-rings.
Water leaks from Permeate port. Permeate port is not tight enough Tighten, with strap wrench if necessary.
o-ring not lubricated. Lubricate o-ring with food-grade lubricant.
o-ring split, cut, or twisted. Replace o-ring.
Water leaks from system fitting or
connection.
Fitting broken or loose. Retighten or replace the fitting.
Not enough pipe thread sealant used. Redo the fitting with the proper amount of seal-
ant.