KEMPER MiniFil Operating manual -
EN
- 61 -
Technical modifications and errors expected.
6.4 Replacing the carbon brushes
The 4 carbon brushes fitted to both turbines are subject to natural wear. The carbon
brush service life is
approx. 800 - 1200 hours
and is always dependent on the
device usage, the switch-on duration and the operating cycles. Please follow the
steps shown in the separate installation manual, which is included with the carbon
brush replacement set, when replacing the carbon brushes.
6.5 Troubleshooting
Fault
Possible cause
Solution
Not all fumes are
captured.
Distance from extraction nozzle to
welding location too large.
Place exhaust nozzles
closer.
Clean air outlet covered.
Keep clean air outlet free
of obstruction.
The green lamp
is not illuminated.
Filter cartridges saturated.
Change filter cartridges.
Dust comes out
on clean air side.
Filter cartridges damaged.
Change filter cartridges.
Device does not
start.
Lack of voltage.
Have it checked by an
electrician.
Start-stop sensor is connected but
no current is detected (welding is
not yet being carried out)
Start welding process
Welding current not detected
(direct current)
Route earthing cable
through several times.
See also Item 5.4.
