17
GB
Care and maintenance
Filter change
An alarm sounds and the yellow warning light
flashes:
Recommended service life of filter has expired.
(see Operating time filter display/Extraction capa-
city filter display)
An alarm sounds and the red warning light is
lit continuously:
Extraction capacity is too low.
Switch off the filter unit. Check the nozzles and
tubes, and clean them if necessary. If the alarm
sounds again the next time the unit is turned on,
the filter must be changed.
If no action is taken, the filter unit will cut out after
five minutes in order to avoid overheating.
When changing the main filter the filtration time
can be reset as follows:
Keep the UP/DOWN buttons pressed and, at the
same time, turn on the switch until an audible
signal sounds. Release the buttons, wait 5s and
turn the unit off. Wait another 5s and turn the unit
on. Filtration time is now reset.
Warning!
Before doing any work on the machine,
pull the plug out of the socket.
year
MIN 1x
Cleaning
To ensure that the unit functions properly, the nozzle, extractor arm and connecting hose must be clea-
ned on a regular basis.
Message/symptom
Possible cause
Remedial measures
Extraction power missing
Pipe system leaking
Reseal the pipe system
Filter is dirty
change the filter
Turbine speed too low
Increase the speed setting
Loud extraction noises
Air speed through extraction-
arm is too high speed
Reduce the air speed (reduce air
quanitity)
Unit is not running
Thermally switched off
Leave the unit to cool down.
Switch on again after approx.
3 hours.
Device does not work
Fuse is blown
Please contact our Customer
Service:
Unit is not properly connected
Check the electrical connections
Error messages and error clearance
Warning!
Use original replacement parts only.
The unit must not be altered or modi-
fied in any way!
Repairs must always be referred to a
Weller-trained specialist.
The normal service life of a main
filter in the electronics industry is
1500 hours.
The main filter should be chan-
ged at least once a year in order
to ensure proper gas separation.
