System - Pentair Evolio 255 Installer Manual

Installer Manual Evolio 255 - Troubleshooting
Issue
Intermittent or
Low water pressure.
irregular brine
draw.
Defective injector.
Backwashes or Incorrect drain control used.
purges at
Foreign matter affecting valve
excessively low or
operation.
high rate.
9.3.

System

Issue
Improper regeneration.
Hard water
Leaking of external bypass valve.
leakage after
O-ring around riser pipe damaged.
regeneration.
Incorrect controller settings.
Foreign matter in valve causing
System using
incorrect flow rates.
more or less salt
than brine setting.
Incorrect controller settings.
No brine in brine tank.
No conditioned Injector plugged.
water after
regeneration.
Air check valve closes prematurely.
Bypass valve in bypass.
No water flow
Meter probe disconnected or not fully
display on
connected to meter housing.
controller while
water is currently
Restricted meter turbine rotation due
being used.
to foreign matter in meter.
80 / 90
Cause
Cause
Reset and recovery
Set pump or pressure regulator to
maintain 1.38 bar (20 psi) dynamic at
softener's inlet.
Replace injector.
Replace with correct size controller.
Remove drain control and clean ball
and seat.
Reset and recovery
Control brine dosage setting and
repeat regeneration.
Replace bypass valve.
Replace o-ring.
Check that controller setting match
with your actual softener model.
Remove brine controller and flush out
foreign matter. Then advance
controller to brine cycle (C2) to clean
valve (after so doing controller goes to
"2nd rapid rinse" cycle (C7) to remove
any brine from tank).
Check that controller setting match
with your actual softener model.
Add brine to brine tank.
Clean injector and screen.
Put controller momentarily into brine
cycle (C2).
Replace or repair air check if needed.
Shift bypass valve to non-bypass
position.
Fully insert probe into meter housing.
Remove meter housing, free up
turbine and flush with clean water.
Turbine should spin freely. If not,
replace meter.
Ref. MKT-IM-037 / B - 17.12.2018