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Displaycodes | 49NL
6 720 646 229 (2012/01)Bosch 24 HRC Compact 3 | 28 HRC Compact 4 | 30 HRC Compact 5
C F
2 8 8
3
De waterdruk is te hoog (> 5,7 bar) of de
contacten van de druksensor zijn onder-
broken.
Controleer de cv-waterdruk (< 3 bar).
Controleer de bekabeling en de con-
nector van de druksensor.
Controleer de werking van de druk-
sensor. Vervang het onderdeel indien
nodig.
C F
2 8 9
3
De contacten van de druksensor zijn
kortgesloten.
Controleer de cv-waterdruk (< 3 bar).
Controleer de connector van de
druksensor.
Controleer de werking van de
druksensor. Vervang het onderdeel
indien nodig.
C F
3 5 0
2
De contacten van de aanvoertempera-
tuursensor zijn kortgesloten.
Controleer de bekabeling en de con-
nector van de aanvoertemperatuur-
sensor.
Controleer de werking van de aan-
voertemperatuursensor. Vervang het
onderdeel indien nodig.
C F
3 5 1
2
De contacten van de aanvoertempera-
tuursensor zijn onderbroken.
d 1
2 4 0
2 + 3
De contacten van de retourtemperatuur-
sensor zijn kortgesloten.
Controleer de cv-waterdruk en
ontlucht de cv-installatie en het
cv-toestel.
Controleer of er voldoende stroming
over de cv-installatie mogelijk is.
Controleer de bekabeling en de con-
nector van de retourtemperatuursen-
sor.
Controleer de werking van de retour-
temperatuursensor. Vervang het on-
derdeel indien nodig.
d 1
2 4 1
3
De contacten van de retourtemperatuur-
sensor zijn onderbroken.
d 1
2 4 2
3
De branderautomaat of de KIM is defect. Controleer de bekabeling en de
connectors van de branderautomaat.
Controleer de werking van het
cv-toestel door de branderautomaat
te vervangen.
2 4 3
2
4 4
2 4 5
2
4 7
2
4 8
2 4 9
2
5 5
d 3
2 3 2
Het externe schakelcontact is geopend. Controleer de draadbrug op de aan-
sluiting van het externe schakelcon-
tact.
Controleer het externe schakelcon-
tact.
Displaycode
Soort
code
Betekenis Oplossing
Tabel 26 Displaycodes
49


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