Rev. 1.0.1 | © 2018 Dallmeier | www.dallmeier.com
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Commissioning MDF5400HD-DN
7 Maintenance
Maintenance and inspection of the device may only be carried out by qualified personnel on compliance with the regulations of the DIN VDE 0701-0702
series of standards (VDE 0701-0702: “Inspection after repair, modification of electrical appliances – Periodic inspection on electrical appliances –
General requirements for electrical safety”).
Cleaning
If it is necessary to clean the device, observe the following notes:
NOTICE
Damage to the outer surfaces of the device due to improper cleaning practices
➡
Clean the housing (outside) with a clean, soft, dry and antistatic cloth.
•
Do not use detergents.
Damage to the lens element due to improper cleaning practices
➡
Remove dust and other small particles from the lens element with a suitable bulb blower and/or a special lens dust brush to avoid
scratching the lens.
•
Do not use canned air or cotton buds for cleaning the lens element.
➡
To remove greasy dirt such as fingerprints, only use cleaning products (lens cleaning solutions, cleaning wipes, etc.) that are specially
designed for cleaning optical surfaces.
•
Do not use organic solvents (alcohol, benzine) for cleaning the lens element.
•
Generally, be aware not to touch the lens element to avoid fingerprints.
