Faq - English - Renfert Silent compact Manual De Instrucciones

FAQ - English

For information on operating elements, see
For chapter indications, refer to the complete instruction manual on the internet.
Trouble
When the device is
switched on, there is a
loud vibration noise for
approx. 8 seconds.
During an interruption in
operation, an acoustic
signal occurs 3 times and
then the filter cleaning
function is carried out.
When the unit is switched
on, the display dust drawer
(24, Fig. 2) lights up and
an acoustic signal occurs
3 times.
Display error (26,
lights up and an acoustic
signal occurs 3 times.
The error message
(26, Fig. 2) blinks.
The suction performance is
insufficient.
Dust drawer is over full.
The signal to empty the
dust drawer shows even
though the dust drawer is
not yet full.
The electronic device con-
nected to the unit power
socket cannot be operated.
Possible Cause
• The suction unit performs an auto-
matic filter cleaning sequence.
• After 16 hrs. constant operation (tur-
bine running time) without having
been switched off in between, the
filter cleaning function is carried out.
• The time period for emptying the dust
drawer has elapsed and the dust
drawer has not yet been emptied.
• The emptying of the dust drawer has
not been confirmed.
Fig. 2) • The automatic switch-on function
cannot be set. The difference be-
tween the chosen rpm at the hand-
piece and the stand-by current is too
low.
• The automatic switch-on function
cannot be set.
• The electronic device has become
too hot.
• The set suction performance is too
low.
• There is a blockage or leak in the
suction tube.
• Dust drawer is not airtight.
• The fine filter is full.
• The time period for "empty dust draw-
er" has been set too high.
• The time period for "empty dust draw-
er" has been set too low.
• Suction is not switched on.
Fig. 1 and Fig. 2 on page 2 of this document.
• This is functional and requires no inter-
vention.
• Always switch appliances off at the on /
off switch at the end of the working day
(9, Fig.
• Empty the dust drawer and confirm by
pressing the key (25,
• Empty the dust drawer and confirm by
pressing the key (25,
• Adjust the switch-on threshold to a higher
speed on the handpiece.
• Use the unit in continuous operating
mode.
• Switch the device off and allow it to cool
down.
• Ensure sufficient cooling, e.g. with:
- Chapter 4.2 installation instructions.
- External ventilation (see chapter 4.6).
- Change fine filter.
• Select higher suction level.
• Check suction tube.
• Please observe the points in chapter 4.4
• Check the dust drawer is in the correct
position (chapter 6.2).
• Switch the unit off and back on in order to
initiate the filter cleaning function.
• Change the fine filter (see chapter 6.3) (if
there is no improvement in suction perfor-
mance after the filter cleaning process).
• Adjust to a lower time period (see chapter
6.2.1).
• Adjust to a higher time period (see chap-
ter 6.2.1).
• Switch the suction on.
- 1 -
Corrective Action
1).
Fig. 2). .
Fig. 2). .
EN