8 Maintenance and service
8.1 Safety checks
Sirona Dental Systems GmbH
Operating Instructions SIROLaser Xtend
64
63 18 351 D3576
D3576.201.01.05.02 11.2018
8
Maintenance and service
8.1
Safety checks
The following safety checks must be performed every 24 months by a
qualified service engineer:
● Visual inspection of the unit and its accessories for mechanical
damage that might impair operation
● General function check
● Check of the visual and audible indicators
● NC and SFC earth leakage current acc. to IEC 60601
● NC and SFC housing leakage current acc. to IEC 60601
● NC and SFC patient leakage current acc. to IEC 60601
● Laser power measurement with a calibrated measuring instrument in
the range between 0.5 W and 5 W with the SIROLaser Xtend or
rather up to 7 W after the upgrade.
8.2
Maintenance
The SIROLaser Xtend does not require special maintenance. In case of
malfunctioning, see chapter Technical support, repair and testing.
However, Sirona Dental Systems GmbH recommends taking the
following actions at regular intervals:
Action
Frequency
Conducting person-
nel
Check of the optical fiber,
see "Optical fiber assem-
bly" [→ 26]
Before each
treatment session
System owner
Calibration check of the
laser, see "Calibration
check" [→ 46]
Weekly
System owner
Recommended check of
the optical power at the
tip of the fiber with an ex-
ternal power meter, see
"Calibration check" [→ 46]
Every twelve
months
System owner
Safety checks (required
by law in some European
countries)
Every 2 years
Sirona Dental Sys-
tems GmbH, local
Dental Sales or qual-
ified service engi-
neer.
NOTE
If national or local legal regulations require additional safety checks
for your laser unit, these regulations must be complied with and the
corresponding checks must be performed.
