A.J.Antunes 9700616 Manuale d'uso - Pagina 15

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A.J. Antunes & Co.
problem
Unit does not have power.
The control Display is blank.
No water comes out of the fil-
ter system
Low water flow/pressure out
of system
Water tastes bad.
Flush runs continuously.
Flush runs too long.
Flush occurs at time of high
water usage.
Water splashes at drain dur-
ing flush.
Water leaks at the ends of the
Filter Cartridge after changing
cartridges.
Water leaks from Permeate
port.
Water leaks from system fit-
ting or connection.
P/N 1010908 Rev. A 03/12
UFC-420/440 water Filtration system

trOUblesHOOtInG

possible cause
The power cord is not correctly
plugged in.
The power cord is not correctly
plugged in.
control Board is inoperable.
Transformer is inoperable.
Inlet Valve closed
Inlet Strainer is plugged
End of the capillaries plugged
See above.
The system may be in a flush cycle.
Flushing program not set correctly
for water conditions.
Drain Valve is stuck open.
The inlet water pressure is too low.
Storage/shipping solution not com-
pletely flushed out of system.
Biological growth in pipes.
Water conditions changed.
Broken capillary in Filter cartridge.
Drain Valve stuck open.
Controller sending continuous signal
to valve.
Program duration set too long.
The Flush Interval is set to interfere
with water use.
Drain line not positioned properly.
Cartridge end connections are not
tight enough.
o-rings not lubricated.
o-rings are split, cut, or twisted
Permeate port is not tight enough
o-ring not lubricated.
o-ring split, cut, or twisted.
Fitting broken or loose.
Not enough pipe thread sealant
used.
Plug power cord in correctly.
Plug power cord in correctly.
Contact your maintenance person or
Authorized Service agency.
open the Inlet Valve
Clean/replace Inlet Strainer
Clean/replace Filter Cartridge
See above.
Wait for the flush cycle to end.
Decrease the flush interval and increase
the flush duration (refer to the operation
section of this manual).
Replace/rebuild the Drain Valve.
Boost the inlet water pressure/replace
pipes.
Flush system for a longer period of time.
Sanitize plumbing.
Consider installing taste and odor filtration.
Replace Filter Cartridge.
Replace/rebuild the Drain Valve.
Replace the controller.
Re-program the unit to flush for a shorter
duration of time.
Change Flush Interval/reprogram time.
Unplug unit and plug in at a time of lower
water usage.
Reposition the end of the drain line.
Tighten with strap wrench if necessary.
Lubricate o-rings with food-grade lubricant.
Replace o-rings.
Tighten, with strap wrench if necessary.
Lubricate o-ring with food-grade lubricant.
Replace o-ring.
Retighten or replace the fitting.
Redo the fitting with the proper amount of
sealant.
15
corrective action