27
SMARTair. SMARTair mobile.
A 10 Trouble-shooting
Repairs and maintenance work of the
electrical components of the unit
must be carried out only be technically-
qualified or factory-trained personnel, who
are familiar with the safety regulations.
Before opening parts of the housing,
disconnect the plug to ensure that no
electricity is flowing to the unit.
C
• Filter bag
1
is full.
R
• Change filter bag
1
(see A 9).
C
• Suction pre-select is set at the lowest
level
R
• Set a higher level with key (+)
3
C
• Suction hose or collection hood is dirty
R
• Thoroughly clean suction hose or collec-
tion hood.
C
• Potentiometer incorrectly adjusted
R
• Adjust potentiometer (see A 8.5 Fine-
tuning automatic operation).
C
• Ancillary unit is not connected to the
suction unit.
R
• Connect the units together.
C
• Fuse
4
for the ancillary unit is defective.
R
• Change the fuse and check for technical
problems at the ancillary unit.
C
• Fuse
5
for SMARTair plus or
SMARTair plus mobile is defective
R
• Change the fuse and check if the mains
voltage and fuse meet the requirements
(see A 3 Technical Data).
C
• Filter bag or micro filter
6
(optional) is
full.
R
• Change filter bag or micro filter (optio-
nal).
C
• Suction hose or collection hood is dirty
R
• Thoroughly clean suction hose or
F
= Fault
C
= Cause
R
= Remedy
F
• SMARTair or SMARTair mobile does
not operate, Filter full
F
• SMARTair plus or SMARTair plus
mobile does not operate automatically
with the ancillary unit
F
• Suction power is insufficient
1
4
3
5
6
4
