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Type of Malfunction Possible Causes Corrections
Air Filtertrolley does not run
(Fan can not be heard and
LED does not light).
– Unit is not connected to a power
supply.
– Unit is switched off.
– Malfunction in the device or the
electronic control.
• Connect the power cord.
• Switch on the unit.
• Loctite Service
Not enough suction capacity
(LED lights red). – Filter 9 is clogged or worn.
– Air passage is blocked.
• Replace filter.
• Check air inlet and outlet for
obstacles.
Bad filtration
(LED lights red). – Filter is clogged.
– The filter is not correctly
assigned.
• Replace filter.
• Check the seat of the filter and make
necessary correction.