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INCIDENTS, CAUSES AND REMEDIES
Incidents
The softener is no longer
producing water.
Water fl owing to drain
outside regeneration
periods.
Water flowing from salt
tank overflow.
Causes
By-pass open.
Regeneration salt low.
Fault or incorrect brine intake.
TH of water to be treated greater than
expected TH.
Absence of softened water draw off
metering.
Valves or solenoid valves inside the
equipment not watertight.
Decompression limiter blocked.
Insufficient pressure.
Brine regulator seal fault.
Technical manual BWT PERLA PRO XXL - code P0011058 - Rev 10 - 23/11/2021
Remedies
Check the setting of the residual bypass
Check that the general bypass is not open.
Check the presence of salt in the salt tank.
Check the (dynamic) pressure at the softener
input (minimum 1.5 bar).
Check the TH of the water to be treated.
Check the volume metering on the control unit
(ILS turbine/meter fault).
Replace the defec$ ve components.
Clean the limiter.
Check the pressure (minimum 1.5 bar dynamic).
Check the absence of deposits at the bo% om of
the salt tank.
Clean the salt tank and the regulator.
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