Problem
Insufficient function
Permanent regeneration
No brine intake
Permanent discharge into sewerage
tube
High salt consumption
No or insufficient salt consumption
Saline water
Differential pressure at the device is
too high
Water pressure reduction / slowly de-
creasing effectiveness
Too much water in the storage tank
*CS = Customer Service
MU1H-1412GE23 R0110
GB
Cause
Device not deaerated
Device is in "Bypass" position
Incorrect settings at the control valve
Storage tank is almost or completely empty Check salt level
Wrong block salt
Blending has been set incorrectly
Control valve is contaminated or defective Clean control valve or, if necessary, replace
Control head is defective
Incorrect settings at the control valve
Incorrect settings at the control valve
Brine tube is leaking
Drain tube is blocked
Min. operating pressure not available
Back pressure in drain tube is too high
Control head is defective
Incorrect settings at the control valve
Blending has been set incorrectly
Too much water in the storage tank
Incorrect settings at the control valve
Blending has been set incorrectly
Brine tube is contaminated
Bypass is closed
Min. operating pressure not available
Incorrect settings at the control valve
Brine valve is contaminated or defective
Control head is defective
Construction of the device is too small
Blending has been closed too widely
Pipework of the drinking water supply is
calcified or blocked
Control valve is contaminated or defective Clean control valve or, if necessary, replace
Water meter is contaminated or defective Clean and, if necessary, replace water me-
Increasing iron deposit in the resin
Brine tube is contaminated
Drain tube is blocked
Incorrect settings at the control valve
Brine valve is contaminated or defective
13
Remedy
Deaerate device
Set device to "Service" position
Check the control valve settings
Use block salt for softeners DIN EN 973
Check blending valve and mixing ratio
control head (CS*)
Check the control valve settings
Call Technical Customer Service
Check the control valve settings
Check the control valve settings
Replace brine tube
Clean and, if necessary, replace drain tube
Min. operating pressure is 2.0 bar
Clean and, if necessary, replace sewerage
tube
Call Technical Customer Service
Check the control valve settings
Check blending valve and mixing ratio
Fault "too much water in the storage tank"
Check the control valve settings
Check blending valve and mixing ratio
Clean brine tube
Open Bypass
Min. operating pressure is 2.0 bar
Check the control valve settings
Clean and, if necessary, replace brine valve
(CS*)
Call Technical Customer Service
Call Technical Customer Service
Check blending and mixing ratio
Clean or replace the pipework
control head (CS*)
ter (CS*)
Exchange resin (CS*)
Clean brine tube
Clean and, if necessary, replace drain tube
Check the control valve settings
Clean and, if necessary, replace brine valve
(CS*)
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