BA046BB0320A15
15
Fault
Possible cause
Action
Fan is not rotating.
No supply voltage present
or missing of a single
phase.
Check the supply voltage
directly on the fan.
If not all phases are
measureable check the
fuses and the wiring of the
service switch.
Fan turns but there is no
or not enough airflow.
Rotation speed of the fan
too low
Observe star / delta
switching.
Air flow interrupted
Check duct system
(e.g. suction, filter, sealing
caps).
Calculated pressure
does not correspond to
the real value.
Check fan selection.
Unfavorable installation
conditions
Check the installation
situation.
Vibrations / noises in fan.
Chafing of impeller
Chafing of impeller.
Check impeller for dirt and
clearance.
Check mounting of Impel-
ler and inlet
cone
Deformation
Stop fan immediately.
Contact Rosenberg
support
Dirty impeller
Clean impeller
Damaged ball bearings
an impeller.
Damaged ball bearings.
Stop fan immediately.
Contact Rosenberg
support
RCD-Switch or fuse trips.
Ground fault or short
circuit.
Check if the cables are
damaged or
moisture is present.
Defect of the motor
Contact Rosenberg sup-
port
10 Entsorgung
Disposal
Beachten Sie bei der Entsorgung des
Geräts alle relevanten, in Ihrem Land
geltenden Anforderungen und Bestim-
mungen
Der Schutz der Umwelt und die Schonung
der Ressourcen ist für Rosenberg Ventilato-
ren GmbH ein wichtiges Thema. Aus die-
sem Grund wurden schon bei der Entwick-
lung unserer Ventilatoren auf umweltfreund-
liche Gestaltung, technische Sicherheit und
Gesundheitsschutz geachtet.
Im folgenden Kapitel finden Sie Empfehlun-
gen für eine umweltfreundliche Entsorgung
der Maschine und ihrer Komponenten.
Please note all the relevant require-
ments and regulations in your country
when disposing the device.
The protection of the environment and the
conservation of resources are important
issues for Rosenberg Ventilatoren GmbH.
For this reason, environmentally friendly
design and technical safety as well as
health protection were already respected
in the development of our fans:
In the following section you will find rec-
ommendations for environmentally friend-
ly disposal of the machine and its compo-
nents.