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1502818-00
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6. Clean the sealing surface (item 5) on the product with a damp cloth.
7. Push the new filter element back into the product mounting (item 4) in reverse order.
Ensure the sealing ring (item 2) does not rub against the sealing surface (item 5) and is
not deformed or destroyed.
8. Reinsert the mains plug into the socket and switch on the device. The green light of the
device button signals that the product is running normally.
7.4
Troubleshooting
Fault
Cause
Note
Not all fumes are
being captured
Distance between the extraction
hood and the welding position
too great
Move the extraction hood closer
Clean air outlet obstructed
Keep clean air outlet free of
obstruction
Signal horn
sounds, the green
indicator lamp in
the switch is not
illuminated
Extraction capacity too low,
damper flap in the extraction
hood is closed
Fully open the damper flap in the
extraction hood
Extraction capacity
too low/non-
existent
Filter inserts saturated
Replace filter inserts
Phase error/missing phase
The fan is rotating in the wrong
direction
Exchange of two phases in the
CEE plug by an electrician
Dust escapes on
the clean air side
Filter inserts damaged
Replace filter inserts
Motor protection
relay triggers
Motor blocked
Have this checked by a qualified
electrician.
Product will not
start up
No mains voltage
Have this checked by a qualified
electrician.
Start/stop sensor (optional
fitting) connected but no current
detected
Welding process not yet started
Start welding process
Tab. 18: Troubleshooting
