DC-9105E Conventional Reflective Beam Detector
Installation and Operation Manual
20
9. Maintenance
1) The detector should be checked if it is damaged first when it gives
fault signals after long term operation. Then ensure it is installed on a
wall or a mounting bracket securely. After that, the build-up dust and
position should be inspected to confirm if automatic compensation is
not correctly. Finally consider other faults.
2) As surfaces of the detector and the reflector are contaminated,
soft cloth and alcohol can be used to clear them gently. Don’t scratch
the surfaces or don’t use water or other chemicals. The detector should
be commissioned once more to make it enter the normal standby state.
3) The detector belongs to fire products so that its operation, duty,
and shift should be recorded carefully.
4) People on duty should be familiar with functions and operations to
avoid incorrect operation.
5) The detector should undertake fire alarm test half a year.
10. Accessories
11. WEEE Information
2012/19/EU (WEEE directive): Products marked with this
symbol cannot be disposed of as unsorted municipal waste
in the European Union. For proper recycling, return this
product to your local supplier upon the purchase of
equivalent new equipment, or dispose of it at designated
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