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FILTER BLOCKAGE WARNING LIGHT:
A filter blockage warning Light is installed on the vacuum cleaner.
The light turns on to indicate a loss of suction. In such case
collection bag may be full, cloth filters (main filters and safety
filters) may need to be washed or HEPA filters may need to be
replaced. Refer to “Cleaning and maintenance” and to “Assembling
and replacing the HEPA filters” sections.
Empty the recovery tank when necessary but also after every use. Do not allow recovered
materials to sit for extended periods of time. An excessive accumulation of recovered
materials can create a dust ignition hazard.
It is recommended that the cloth filters be cleaned regularly. Dirty cloth filters will reduce
the airflow through and reduce the performance of the vacuum cleaner. The cloth filters
(main filters and safety filters) can be washed with warm water (no detergents required).
IMPORTANT:
After washing the filters, make sure that they are completely dry
before reinstalling them in the vacuum. Do not reinstall the cloth
filters if they are still wet.
