Siemens Servo i, Руководство по обслуживанию, Страница: 61 / 70

E382 E407E 061 01 01 02
Siemens-Elema AB
Servo … Preventive maintenance
7 - 7
7
Internal fan filter
• Remove the internal fan filter (1).
• Check if the filter is damaged. Replace damaged filter.
• If not damaged, clean the filter. The filter can be
rinsed in water. Shake out and make sure that the
filter is free from excess water.
• Mount the new/cleaned filter.
• Connect the mains power cable.
• Set the On/Off switch to Standby.
Internal fan
• Lower the locking catch (1) and disconnect the
connector (2). This is done to protect the O
2
cell
during the Internal fan-test.
• Carefully warm-up the cable connector (2) and check
that the Internal fan starts. Use e. g. a light bulb or a
heat fan to warm the connector. The temperature
must not exceed 70 °C. The Internal fan will start
with half effect at approx. 33 °C and with full effect at
approx. 43 °C.
• Re-connect the connector (2) and mount the
inspiratory section cover.
User Interface
• Check the touch screen readability:
– Brightness (backlight)
– Transparency
– Surface.
• Check if pixels on the touch screen are defective.
Open the Status window. A few defective pixels can
be accepted. Check that defective pixels are not
concentrated to a small area thus reducing the
readability in this area.
FSS is recommended but not required.
• Perform the checks listed below and make sure that
the software responds to these actions. FSS is
recommended but not required.
– Check the touch screen functions. Press buttons
on different parts of the touch screen.
– Check the Main Rotary Dial. Turn and press the
Main Rotary Dial.
– Check the Direct Access Knobs. Turn and press all
Direct Access Knobs.
– Check the membrane buttons. Press all membrane
buttons.
SVX9142X
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SVX9138X
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