Service manual

Service Manual 39
675-120 Revision D May 2005
Switching On the IFSD
WARNING
Do not attach the Generator to the patient until the initial set up is complete.
Put the power switch on the back panel to the position.
• the warning bar comes on
• the green power light remains on
• the audible alarm sounds
The unit carries out a full functional check. If the checks are not successful (program
memory fault, power supply not connected or emergency battery voltage low), the
screen remains black and the warning bar stays on.
If the checks are successful, the warning bar goes off and the screen changes to the
Power Up Screen.
After two seconds the screen changes to the Power Up Check Screen.
During the power up checks:
• the screen image is shown in negative
• the warning bar comes on for one second
• the Apnea light comes on for one second
• the audible alarm sounds for one second
• the dump valve is tested
• the pressure is set to zero
After two seconds the screen changes to the Start Up Screen.
• the alarm limits are disabled
A flashing question mark alternating with a red cross appears under the first
adjustment to be made.
To calibrate
the O
2
fuel cell, refer to Page 42.
Note
Where a mode is not applicable (e.g. Patient Trigger), the button is blank and the
icons are not shown.