EN
1502818-03
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7.3
Troubleshooting
Fault
Cause
Note
Not all dust
particles are
collected
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 does not
light up
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 sequence
error/missing phase.
The fan is rotating in the
wrong direction
Changeover of two phases
in the CEE plug by an
electrician
Dust particles
escape on the
clean air side
Filter inserts damaged
Replace filter inserts
Motor
protection
switch 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
7.4
Emergency measures
In case of fire of the product or its detection elements, the following steps
should be taken if necessary:
1. Where possible, disconnect the product from the power supply by
unplugging.
2. If present, disconnect the compressed air supply.