
3.3.3 Danger of damage to material assets
Transportation
lDo not drop the device on the floor, on hard surfaces or objects.
Assembly
lThe device contains highly sensitive electronic components, which can be damaged or
destroyed through electrostatic charges. Therefore, do not assemble the handle set in
areas affected by electrostatic charge.
lFor assembly and dismantling, use the tools indicated in the "Assembly" section only.
lOnly use a dry or protected or indoors place for device installation.
Operation
lProtect the electronic components against water and other fluids.
Maintenance
lAlways have repairs performed by qualified personnel.
lUse only the accessories and spare parts recommended by CES.
Danger through climatic influences
lDo not use the device in corrosive atmosphere (chlorine, ammonia, lime water)
lDo not use the device in areas with high dust formation.
lDo not use the device near heat sources.
Please observe the maximum permissible temperatures and the information on air humidity in
the section “Technical Data".
3.4 Notes on dealing with batteries
lAlways insert new batteries only. Never use old and new batteries together.
lBefore inserting the batteries, check whether the contacts in the device and on the bat-
teries are clean. Otherwise, clean them. Do not touch the contacts after the cleaning pro-
cess.
lWhen inserting the batteries, ensure that the polarity is correct (+/-).
lNever try to recharge the batteries. There is a risk of explosion!
lDo not short-circuit the batteries.
lStore batteries in a cool and dry place. Direct heat may damage the batteries. Therefore, do
not expose battery-operated devices to any strong heat source, and do not throw the bat-
teries into fire.
CESeasy communication module Page 7 of 37
3 For your safety