Renfert SILENT EC2 Manual Del Usuario página 44

There is a risk of increased exposure to dust when replacing the fine filter.
That's why the following measures must be taken:
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⇒ Keep the plastic bag ready that contains the new filter.
⇒ Keep an additional dust extraction device or suction tube from another workbench extraction unit ready�
⇒ Wear at least an FFP2 mask for respiratory protection�
⇒ Clean the filter 2x
- Press the Enter key for 2 seconds
- Filter cleaning is carried out
- Repeat the procedure
- Switch off the extraction unit�
⇒ Disconnect the power plug
⇒ Disconnect the suction hoses�
⇒ Place the extraction unit so that it can be turned around�
⇒ Pull out the dust drawer�
⇒ Turn the extraction unit upside down
⇒ Suction the loose dust in the dust room�
⇒ Unlock the clamping nut (1), loosen (2), remove, and ensure disposal�
⇒ Pull out the fine filter upwards
⇒ Place the fine filters immediately in the plastic bag and seal the bag tightly to
prevent dust escaping�
⇒ Ensure proper disposal�
⇒ Suction any fallen dust out of the dust room and clean room�
⇒ Insert a new fine filter; ensure that it is correctly positioned.
⇒ Attach a clamping nut and tighten as shown�
⇒ Turn the extraction unit back to its previous position�
⇒ Insert the dust drawer�
⇒ Connect the suction hoses, insert the power plug, and place the
extraction unit back in position�
⇒ Use the additional dust extraction device to suction up dust that
has been released�
When replacing the fine filter, pay attention to the correct fit, otherwise leaks will occur. Please refer to the
assembly instructions at the end of the manual, which are also included with the new fine filer.
6.4 Self-diagnosis
With the help of the self-diagnosis, the control system checks the function of the turbine and pinch valves
as well as parts of the electronics�
Self-diagnosis can be started manually�
If no fault is detected, the suction is ready for operation after the self-diagnosis has finished.
If an error is detected, an indication is shown in the display�
Perform self-diagnosis:
⇒ Press Menu key (20) 1 x�
♦ The symbol - self-diagnosis - (21) blinks�
⇒ Press Enter key (30)�
♦ Self-diagnosis starts�
♦ The self-diagnosis symbol is shown in the display and a dash flashes over the screen�
♦ The suction turbine runs at different suction levels and the pinch valves open and close in various
combinations�
No error:
♦ Suction is in standby mode�
Error occurred
♦ The error is shown in the display�
⇒ Solve error (see chapter 7)�
⇒ Press Enter key (30)�
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