
s. 20
TROUBLESHOOTING CHART
The suction machine will
not start.
Is there any text on the
display of the control
unit?
Check the power to the
control centre. If the
power supply is not
faulty, contact the
manufacturer.
Does the display show a
message about motor
protection?
Contact the manufacturer.
Are you starting the suction
machine remotely?
Make sure that the suction
machine is in remote
operating mode.
Make sure that the suction
machine is in the local
operation mode.
The suction effect is
weak.
Is the pressure loss
excessive (> 2000 Pa)?
Is the filter cleaning
system operating?
Replace the filters.
Does the motor rotate in the
right direction?
Contact a professional
electrician.
Make sure that any sliding
traps in the channel system
are open and that there are
no obstructions in the
channel system.
Contact the manufacturer.