Kongskilde MULTIAIR FC 3000 Manuel Utilisateur page 13

Troubleshooting:
Fault
The blower does not start when the
"Start" button is pushed
The blower does not stop when the
"Stop" button is pushed
The blower does not respond to
pressing the "+" and "-" buttons on the
operator´s panel
The display is oscillating between
set point, operating point, "000" and
"901"
The display is oscillating between set
point, operating point and "901".
The display is oscillating between
"911", "912" or "913" and operating
point
Cause
Missing main power supply or
switched off main switch.
DIP switch 1-2 is in position "ON:
Operator´s panel start deactivated"
Blower and control box disconnected
DIP switch 1-5 is in position "ON:
Operator´s panel stop deactivated"
DIP switch 1-7 is in position "ON:
Operator´s panel +/- deactivated".
DIP switch 1-8 is in position "ON:
+/- input from PLC"
Pressure- or flow control transmitter
is not correctly installed in piping, and
/ or not correctly connected to the
blower
The blower is not capable of reaching
the set point, since the blowers per-
formance is limited, and is not able to
reach the desired speed.
The blower is about to reach it´s max.
temperature, and will stop in case the
temperature continues to increase
Remedy
Check that the main power sup-
ply is connected and that the
main switch on the blowers side
panel is on.
Check that DIP switch 1-2 is in
position "OFF: Operator´s panel
start activated"
Repair connection
Check that DIP switch 1-5 is in
position "OFF: Operator´s panel
stop activated"
Check that DIP switch 1-7 is in
position "OFF: Operator´s panel
+/- activated".
Check that DIP switch 1-8 is in
position "OFF: +/- input from
operator´s panel"
Check that the pressure- or flow
control transmitter is correctly
installed in the pipeline (airflow
in arrows direction) and properly
connected to the blower electri-
cally.
Check that DIP switch 2-1 is
put in correspondence with
the transmitter type. Standard
Kongskilde pressure- and flow
transmitter is equipped with
inactive pressure transmitter,
hence position "ON: Inactive
pressure transmitter"
Adjust set point down to max.
operating point. Check that the
blower is capable of reaching
desired performance.
If possible, reduce ambient
temperature.
Reduce the need for capacity
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