7
Troubleshooting
Errors
The warning tone is
output.
The warning tone is
output although the flow
rate at full suction power
is greater than the de-
fined warning threshold.
8
Technical data
Item number:
Nominal voltage / V:
Permissible mains voltage / V:
Mains frequency / Hz:
Power consumption / W:
Dimensions (width x height x depth) / mm [inch]:
Weight / kg [lbs.]:
9
Warranty
Renfert offers a 3-year warranty on all parts of the equipment, provided that the equipment is properly
used�
Warranty claims may only be made upon presentation of the original sales receipt from the authorized
dealer�
Parts that are subject to natural wear and tear (wear parts) and consumables are excluded from the war-
ranty� These parts are marked in the spare parts list�
The warranty is voided in the case of improper use; failure to observe the operating, cleaning, mainte-
nance, and connection instructions; in the case of independent repairs or repairs that are not carried
out by an authorized dealer; if spare parts from other manufacturers are used, or in the case of unusual
influences or influences not in compliance with the utilization instructions.
Warranty claims shall not extend the warranty period�
10 Disposal information
10.1 Disposing of the equipment
The equipment must be disposed of by a specialist facility� The specialist facility must be informed of any
residue in the equipment that is harmful to health�
10.1.1 Disposal information for countries in the EU
To conserve and protect the environment, prevent environmental pollution, and improve the recycling
of raw materials, the European Commission has adopted a directive that requires the manufacturer to
accept the return of electrical and electronic equipment for proper disposal or recycling�
For this reason, equipment with this symbol may not be disposed of in unsorted domestic waste
within the European Union.
Please contact your local authorities for more information on proper disposal�
Cause
• The threshold value defined
for the flow rate so that work
can be carried out safely is
not reached�
• The flow through the SI-
LENT flow sensor is in the
wrong direction�
Corrective action
• Choose a higher suction level�
• Stop working�
• Check the suction route, remove blockages�
• Check the extraction unit, clean the filter. See also Chapter 5.1
• Observe the labels on the connection pieces�
• Connect the suction hose leading from the suction point to the
inlet nozzle (IN)�
• Connect the suction hose leading to the extraction unit to the
outlet nozzle (OUT)�
2914 0000 / 2914 1000
108 x 223 x 94
[4�25 x 8�78 x 3�70]
- 11 -
230
100 - 240
50 / 60
0,6
0,8
[1�76]
Subject to change
en