Siemens Servo i, Service Manual, Page: 63 / 70

E382 E407E 061 01 01 02
Siemens-Elema AB
Servo … Preventive maintenance
7 - 9
7
Lithium batteries
• Check manufacturing date for the lithium batteries
mounted onto PC 1771 and PC 1772.
The batteries must be replaced after 5 years.
Replacement is described in chapter ”Service
procedures”.
Safety inspection
• Make a visual inspection of the Servo
…
System for
external defects or damages. Replace defective or
damaged parts.
• Check the mains power cable and control cable and
their connections for damage.
• Perform a leakage current test. The leakage current
test is a standard procedure regulated by IEC 60 601-
1 or corresponding national standards. Allowable
values and test methods are defined in the standard.
The use of a leakage tester, e. g. Bender Safety
Tester 601/751 or equivalent is recommended.
• Check that a ”Servo
…
Ventilator System – User's
manual” and a ”Servo … Ventilator System – Brief
instructions” corresponding to the installed software
version is present. Also check that operating manuals
for all optional equipment connected to the Servo …
System are present.
Completing the Preventive maintenance
• Perform a ”Pre-use check”. Refer to the
”Servo … Ventilator System – User's manual”.
• Perform ”Function checks” on the optional
equipments connected to the Servo
…
System.
Refer to the operating manuals for these optional
equipments.
• Note in the Servo
…
System software (Biomed) and
also in a Servo … System log book that a Preventive
maintenance has been performed.