Renfert SILENT TS Mode D'emploi page 36

Error
Dust extractor stops
en
suddenly, for no appar-
ent reason. E4 is indi-
cated on the display.
After switching on the
unit, the display imme-
diately indicates E4.
The self-test returns a
suction turbine error,
even though the turbine
is running.
Insufficient extraction
force.
"Change Filter" indica-
tor goes on shortly after
filters were replaced.
Dust bag ruptures.
Dust extractor fails to
start when a dustgen-
erating device is being
used.
Dust extractor starts,
although a connected
device is not being
used.
Possible cause
• The electronics may be overheated due to
excessively high ambient temperature, e�g�,
if the unit is installed in a cabinet�
• Temperature sensor fault�
• After overheating, the device has not yet
cooled down sufficiently.
• Filter full�
• Suction hose blocked�
• Suction turbine fault�
• Extraction force level too low�
• Filter blocked�
• Suction hose blocked�
• Dust drawer seal not tight�
• Upper front panel fails to close properly�
• Suction hose damaged�
• Fine particle filter blocked.
• Suction hose blocked�
• Cross-section of the dust-generating de-
vice's hose fitting is too small.
• Dust is too fine.
• Flow sensor defect�
• The "Change Filter" indicator's sensitivity
has not been adjusted for the material being
extracted�
• Dust extractor not switched on�
• Dust-generating device not plugged into the
unit power outlet on the Silent TS�
• Wrong operating mode selected�
• Automatic start feature's threshold value too
high�
• Device fuse has blown�
• Automatic start feature fails to detect the
attached device's operation�
• Automatic start feature's threshold value too
low�
• Allow the extractor to cool down�
• Attempt to improve the ventilation conditions�
Refer also to Chap� 4�1�
• Have the device repaired�
• Disconnect the device and let it continue to cool
down�
• Check dust bag and fine particle filter, replace as
required� (Chap� 6�2 and 6�3�1)�
• Remove obstruction from the suction hose�
• Replace the suction turbine (Chap�6�6)�
• Increase the extraction level (Chap� 5�3)�
• Check dust bag and fine particle filter, replace as
required�(Chap� 6�2 and 6�3�1)�
• Remove obstruction from the suction hose�
• Check the proper seat of the dust drawer
(Chap� 6�2)�
• Check the dust drawer seal for damage and re-
place as required (Chap� 6�1)�
• Check the proper seat of the upper front panel
(Chap� 6�3�1)�
• Check the upper front panel seal for damage and
replace as required (Chap� 6�1)�
• Inspect the suction hose and replace as required�
• Replace the fine particle filter (Chap. 6.3.1).
• Remove obstruction from the suction hose�
• Adjust the sensitivity of the „Replace filter" indica-
tor (Chap� 5�6�1�)�
• Adjust the sensitivity of the „Replace filter" indica-
tor (Chap� 5�6�1�)
• Carry out self-diagnosis (chapt. 6.5), at fault „E1"
equipment requires professional repair�
• Reduce the sensitivity of the „Replace filter" indi-
cator (Chap� 5�6�1�)�
• Switch the dust extractor on (Chap� 5�1)�
• Connect the dust-generating device to the Silent
TS (Chap� 4�4)�
• Select the automatic mode (Chap� 5�4)�
• Adjust the automatic start feature (Chap� 5�5)�
• Check and reinstall the fuse�(Chap� 6�4)�
• Some older handheld instruments do not gener-
ate a sufficiently strong signal for the automatic
start feature� Switch the dust extractor to the con-
tinuous mode�
• Adjust the automatic start feature (Chap� 5�5)�
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Corrective action