Sirona Dental Systems GmbH
19 Checking the Safety Switches
Check the safety switches installed in the unit.
Move the chair and the backrest, respectively, down for this
check.
•
Raise the leg support:
The chair movement stops, then there is a corrective
movement upwards for around 3 s.
•
Raise the backrest:
The backrest movement stops, then there is a
corrective movement upwards for around 3 s.
•
Raise the motor-adjustable headrest:
The backrest movement stops, then there is a
corrective movement upwards for around 3 s.
•
Swing in the swiveling cuspidor (not for the left-
handed version):
The chair movement stops.
ATTENTION
If one of the safety switches does not stop the chair
movement or the backrest movement, the treatment center
must not be used for dental work!
The fault must be eliminated before handing the treatment
center over to the customer.
59 06 602 D 3382
D 3382.031.01.02.02
19 Checking the Safety Switches
25