DDF4820HDV-DN-IM/-SM
www.dallmeier.com
9
Lightning Storms
To avoid damage to the units by electrical surge during lightning storms, unplug the units
from the mains power supply (pull out the power plug).
This is also recommended, when the units have been unused for a long period of time.
operating Conditions
Unfavourable operating conditions may shorten the life of the units and may cause mal-
functions, damages and data loss and may result in the loss of warranty.
Observe the specifications given in the technical data, the operating condition require
-
ments and the maintenance instructions.
Shocks
Shocks may cause malfunctions and damages.
The units may not be moved while in operation.
Foreign Bodies
If objects or liquids get into the units, immediately disconnect them from the power supply
(pull out the power plug).
Contact the sales partner responsible for your area.
Burnt Smell
If you notice burnt smell or a formation of smoke coming from the units, immediately dis-
connect them from the power supply (pull out the power plug).
Contact the sales partner responsible for your area.
opening
The housings of the units may only be opened by qualified personnel for commissioning,
inspection, maintenance and repair.
Disposal
Do not dispose waste electrical and electronic equipment into the household trash.
Disconnect the units from the power supply.
Remove all connected devices.
Return the units to your respective sales partner.
