30 GB/IE
Faults Cause
Solution
401
Hardware failure
If the icon appears despite
repeated switching on
and off, take the product
to a specialist workshop
Maintenance and cleaning
The product is maintenance-free.
CAUTION!
Never submerse the product in water or other
liquids. Do not allow any moisture to penetrate into the
product during cleaning.
Clean the laser beam output opening
2
and the receiver
lens
1
with a gentle air stream. In the case of more serious
contamination, remove the dirt with a damp cotton swab.
Do not exert any strong pressure!
Never use petrol, solvents or cleaning agents that attack
plastic.
The product should only be opened by
a qualified person for repairs.
To clean the casing, use a soft dry cloth.
Keep the product clean to ensure fault-free operation.
Storage
If you decide not to use the product for a long period,
remove the batteries and store it in a clean, dry place
away from direct sunlight.
