• I/0 switch (item 1)
The product is switched on and off by pressing the switch.
The switch is also a thermal circuit breaker to protect the fan motor. If,
for example, a foreign object blocks the impeller of the fan, the switch
detects an overcurrent that causes the product to switch off after a few
seconds.
• Indicator lamp (item 2)
The green operating light indicates fault-free operation. If the extraction
capacity falls below the minimum level or the device switch returns to
the "0" position due to overload, the green indicator lamp goes out.
If the green operating light does not light, the product must not be
used (see chapter Troubleshooting).
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