USER MANUAL DENTAL UNIT - QS4-451-01 / SD 300 Scandinavian
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ELECTRICAL SAFETY MEASURES
It is advisable not to use mobile phones in proximity of the dental unit. Observe regular hospital
standards.
In the event of a light overload, the built-in thermal protection in the 17 V ca line may have
suspended operation of the unit. Wait 15 minutes for it to reset. Should the problem persist, call
the authorized technical service line.
In the event of an overload in the instrument line and water unit, the built-in thermal protection
in the 24 V ca line may have suspended operation of the unit. Wait 15 minutes for it to reset.
Should the problem persist, call the authorized technical service line.
In the event of an overload in the chair, the thermal protection built into one of the motors may
have been triggered and suspended all operations. Wait 15 minutes for it to reset. Should the
problem persist, call the authorized technical service line.
Do not add additional multiple intake bases or extensions to auxiliary intakes available on
electronic charts.
PRECAUTIONS ON ELECTROMAGNETIC INTERFERENCES
Electronically-controlled instruments may harm patients fitted with pacemakers and/or hearing
aids due to possible electromagnetic interferences.
The patient may be at risk from the approximate use of electronic scalpels or other electric/
electronic equipment which may generate electromagnetic or other types of interference,
causing the unit to malfunction. It is advisable to switch off the unit at the mains before using
such equipment.
Risk of interference with other separate equipment (such as an implant motor) Disconnect the
dental unit power supply to prevent any movements indirectly caused through faults and/or
through accidental activation of the controls.
PRECAUTIONS ON FLAMMABLE ANAESTHETIC MIXTURES
Do not use the unit/chair in proximity of mixtures of flammable anaesthetic gas with oxygen or
nitrogen protoxide.
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