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WHILL Model F User Manual
9
9. Maintenance and inspection
CAUTION
Do not use paint thinner, benzene, or other organic solvents for cleaning, and do not use a
high-pressure washer.
Doing so may result in discoloration, deformation, deterioration, and damage.
Do not insert a sharp object into the speaker holes.
Doing so may damage the controller.
Do not apply commercially available grease or oily antirust agent/wax, etc. to the moving parts
or connections of the device.
There is a risk that the stickiness of such substances may cause sand or other foreign substance
to enter the device, causing device malfunction.