ENGLISH
35
TECHNICAL MANUAL
1.
Change the level probe
1.
Boiler level probe short circuited to
earth
MINIMUM LEVEL IN
BOILER
2.
Restore connection and/or change
the safety probe if necessary
2.
Boiler level safety probe
disconnected
1.
Change the unit tempe-
rature sensor (PTC)
1.
Dispensing unit temperature is too
high
OVERTEMPERATURE
1.
Restore connection and/or change the
temperature sensor if necessary
1.
Boiler temperature sensor (PTC) is
either faulty or the connection is
interrupted
BOILER SENSOR NOT
WORKING
2.
Press the key
1.
Restore connection and/or
change the temperature sensor
if necessary
1.
Unit temperature sensor (PTC) is
either faulty or the connection is
interrupted
sensor gr
i
or
ii
3.
Press the key
2.
Restore connection
2.
Wiring interrupted
cause
remedy
display
5.
Restore connection and/or change the
loading solenoid valve if necessary
5.
Loading solenoid valve faulty or
the connection is interrupted
6.
Press the key
cHECK BOILER WATER
LEVEL
vol. DOSER gr i
or
ii
noT COUNTING
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