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8
6.3
Arm adjustment
If the extraction arm, or a part of it, does not stay in the
desired position, you must adjust the friction.
6.3.1
Hose tube arm (Economy Arm)
• Determine which joint needs more or less friction.
• Loosen the hose tube to get access to the hinges.
• Pull the arm in a horizontal position.
•
Adjust the friction; refer to Fig. V on page 12 for the
adjustment points.
6.3.2
Metal tube arm (KUA)
• Determine which joint needs more or less friction.
• Loosen the hose at that position to get access to the hinge.
• Pull the arm in a horizontal position.
•
Adjust the friction; refer to Fig. V on page 12 for the
adjustment points.
7
TROUBLESHOOTING
If the unit does not function (correctly), consult the
checklist below to see if you can remedy the error
yourself. Should this not be possible, contact your
supplier.
WARNING
Obey the safety regulations that are written in
chapter 3 when you carry out the activities below.
Symptom
Problem
Possible
cause
Solution
The fan does
not start
The unit does
not function
No mains
voltage
Connect the mains
voltage
Thermal
overload
protection is
activated
- Examine the fan
and motor to find
the cause and
remedy the
problem
- Push the red
button behind the
front panel to
reset. Refer to
The mains cord
is defective
Repair or replace
the mains cord
Loose contacts
Repair the contacts
Motor defective Repair or replace
the motor
The green
LED is on but
the fan does
not run
The unit does
not function
Relay is
defective
Replace the relay
Thermal relay is
defective
Replace the thermal
relay
Motor defective Repair or replace
the motor
Symptom
Problem
Possible
cause
Solution
Poor
extraction
capacity
The unit does
not function
properly
The shut-off
damper in the
hood of the
extraction arm
is (partly)
closed
(Fully) open the
shut-off damper
Clogged filters
& loose
connection of
pressure sensor
Repair the
connection of the
pressure tubes
Clogged filters
& defective
pressure sensor
Replace the
pressure sensor &
the pre filter
cassette
Replace the HEPA
filter cassette as
well
The buzzer
emits an
acoustic
signal
Poor
extraction
capacity
The pre filter is
clogged
Replace the pre
filter cassette
The HEPA filter
is clogged
Replace the HEPA
filter cassette
The
extraction
arm does not
stay in the
desired
position
Escape of
fume; no
proper
extraction
Friction setting
is not correct
Adjust the friction;
adjustment points
You cannot
get the arm
in the desired
position
8
SPARE PARTS
8.1
Filter unit
The following spare parts are available for the filter
unit;
- refer to exploded view Fig. VI on page 13 and the spare
parts list on page 14
8.2
Extraction arm
The following spare parts are available for the extraction arms;
- hose tube arm (Economy Arm): refer to exploded view Fig.
VII on page 15 and the spare parts list on page 16
- metal tube arm (KUA): refer to exploded view Fig. VIII on
page 17 and the spare parts list on page 18
9
ELECTRICAL DIAGRAM
Refer to the separately supplied electrical diagram.
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