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E382 E407E 061 01 01 02
Siemens-Elema AB
Servo
…
Service procedures
5 - 5
5
Replacing the lithium batteries on
PC 1771 and PC 1772
The lithium batteries must be replaced after 5 years.
A Technical error message will appear on the screen
if the battery voltage level is too low.
Always replace both batteries at the same time to
keep the same replacement date for both batteries.
Preparations
• Set the On/Off switch on the control unit to
Off
.
• Disconnect the mains power cable.
• Disconnect the gas supplies (wall and/or cylinder).
• Remove patient tubing.
Replacing the lithium battery
• The lithium batteries are mounted ESD sensitive
PC boards. Refer to chapter ”Disassembling and
assembling”, section ”Handling PC boards” for
further information regarding ESD sensitive
components.
• Remove the patient unit front cover. Refer to
chapter ”Disassembling and assembling”, section
”Patient unit”.
• Carefully pull out the PC board (PC 1771 or PC 1772)
containing the lithium battery to be replaced.
Note
: Do not remove the cable connector (1).
Information stored in the PC board memory will be
erased if the connector is removed:
– If the battery on PC 1771 is disconnected;
user default configurations made via the Field
Service System (FSS) and Pre-use check results
including transducer calibrations will be erased.
– If the battery on PC 1772 is disconnected;
all trends, all logs and Pre-use check results
including transducer calibrations will be erased.
• There are two equal battery connectors (2 and 3) on
the PC boards. Connect the new battery to the un-
used connector. The memory functions are now
secured by the new battery.
• Cut the cable ties holding the old battery (4) to the
PC board.
• Disconnect and remove the old battery.
• Mount the new battery onto the PC board using
new cable ties as shown in the illustration.
• Insert the PC board into the correct PC-board slot
and reassemble the patient unit.
After any maintenance or service of the Servo
…
System, perform a ”Pre-use check”. Refer to the
”Servo
…
Ventilator System – User's manual”.
SVX9137X
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Содержание Servo i
Страница 1: ...Servo Service Manual E382 E407E 061 01 01 02 ...
Страница 2: ...Siemens Elema AB Important Servo E382 E407E 061 01 01 02 1 2 Notes ...
Страница 8: ...Siemens Elema AB Important Servo E382 E407E 061 01 01 02 1 8 Notes 1 ...
Страница 16: ...Siemens Elema AB Introduction Servo E382 E407E 061 01 01 02 2 8 2 Notes ...
Страница 44: ...Siemens Elema AB Service procedures Servo E382 E407E 061 01 01 02 5 10 5 Notes ...
Страница 64: ...Siemens ElemaAB Preventivemaintenance Servo E382 E407E 061 01 01 02 7 10 7 Notes ...
Страница 65: ...E382 E407E 061 01 01 02 Siemens Elema AB Servo Index 8 1 8 8 Index Alphabetic index 8 2 ...