Schaerer Ambiente 2

Chapter 4 Fault diagnosis
116 SMSO-2-02.04- 15.07.03
Cloudy water / foam in water
System / component Possible cause Remedy
Water supply  Poor water quality (rust, calcium, other
contamination)
 Take samples of the water (examine for
hardness; any other tests necessary)
Decalcifying systems  Filados: stones not drenched
 Brita: filter not rinsed
 decalcifier fitted by customer
 Decalcification system fitted as series by
customer with Filados decalcification
system (stones dissolve)
 Install the decalcification system as per
manufacturer guidelines and put into
operation
 Install the filter as per manufacturer
guidelines and put into operation
 investigate and take appropriate meas-
ures according to unit type, intended
use, and responsibilities
 remove the stones without replacing
them
Instant heater  not cleaned or poorly cleaned after pro-
duction (residues of flux from soldering
etc.)
 clean
 Residues of grease from screw fittings
on supply pipe or temperature sensor
 clean
 heavy deposits of calcium  replace
Acidic water
System / component Possible cause Remedy
Water supply  Water quality poor (pH value too low due
to external water preparation plant.
 Water sample (examine for acidic con-
tent)
Test 1: A portion of coffee cream (milk)
in a glass of hot water: water quality
(with regard to acidity), can be used if
the cream (milk) does not separate.
Test 2: A portion of rose-hip tea in a
glass of hot water:
water quality (with regard to acidity), can
be used if the water does not turn a
green colour.