Penlon AV-S, Service Manual, Page: 62 / 94

1 Initial Checks (every six months)
1.1 Check serial number to determine service required.
1.2 Check general condition of ventilator.
1.3 Check configuration of attachments, tubing, cables and connectors.
Note, or replace as necessary.
2 Power On and Display Checks (every six months)
2.1 Check mains indicator illuminates amber when unit is switched off and connected to
the mains.
2.2 Turn ventilator to 'Standby'.
2.3 Check audible alarm activates
2.4 Default selection screen appears and automatically defaults to adult mode after
approximately eight seconds.
2.5 Mains indicator illuminates green
2.6 Check screen is undamaged, display is clear and that the touch sensitive screen
functions are operating correctly.
2.7 Check operation of on-screen indicator control using navigator wheel
3 Menu Selection Tests (every six months)
3.1 Press 'Menu' button.
Check menu screen appears.
3.2 Rotate Navigator wheel and check menu scrolls.
Check sub-menus can be selected by pressing the Navigator wheel.
Note some menu selections will time out after approximately 8 seconds of inactivity.
3.3 Restore any changed settings during above tests.
4 Engineers Mode (Available in Standby only) (every six months)
4.1 Press Menu button and select 'Service Menu'
4.2 Select 'Clock Menu' check date and time are correct.
Year = 2005 - 2099
Month = 1-12 (Jan - Dec)
Date = 1- 31
DOW = 1-7 =(Day of week, Mon - Sun)
Hour = 1-23
Minute = 1-59
4.3 Select 'Upgrade Menu' check software revisions
I/O Firmware for the main board
Main Firmware for CPU core
Select 'Ambient Pressure'
Check reading is correct adjust as necessary by selecting
'Engineer Menu' - 'Penlon Options Menu' - 'Cal Pressure'
Adjust to correct value.
7. SERVICE SCHEDULE
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