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BA054BB1117A6
EC-controller cuts out
¤)
The alarm can also be reset by
disconnecting the
power supply to the EC Con-
troller and reconnecting
it after approx. 60 seconds.
At least 2 phases short-
circuited on motor termi-
nals
Defective motor
Remove short-circuit on motor terminals ¤)
Replace motor ¤)
Overloaded motor
Relieve motor overload ¤)
EC-controller cuts out
¤)
The alarm can also be reset by
disconnecting the
power supply to the EC Con-
troller and reconnecting
it after approx. 60 seconds.
Chafing of impeller
Impeller has wrong direc-
tion of rotation
Check direction of rotation and swap if neces-
sary phases between EC-controller and motor.
¤)
Impeller scrapes on inlet
cone
correct inlet cone
Dirt
Check impeller on foreign matter and concen-
tricity; check fixing of impeller and inlet cone.
Vibrations / noises in fan
Dirty motor impeller
Clean motor impeller, tighten screws.
Damaged bearings
Shut down fan immediately. Consultation with
Rosenberg after sales service.
Summary of Contents for GK CE Series
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