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20. Trouble Shooting Chart
Warning: In all alarm conditions check the patient first.
20.1 Ventilator Related Problems
Symptom Possible Cause Remedy
Ventilator does not
power up when
turned on but is
connected to mains
supply.
Mains power supply turned off.
Blown main fuse.
Turn on mains supply.
Refer ventilator to qualified
service personnel to replace
mains fuse.
Ventilator screen
remains blank on
power up. Power
LED is On.
Display failure. Refer ventilator to qualified
service personnel.
Ventilator screen
blank with alarm
tone being
generated.
Ventilator continuing
to ventilate.
Display failure. Remove patient to alternative
form of ventilation, then remove
ventilator from service.
Refer ventilator to qualified
service personnel.
Ventilator start up
screen blue and
user interface
missing all graphics.
Un-installed foreign language
mode selected.(UK ventilators
only).
Select english language from
more options panel and re-start
the machine.
Ventilator screen
blank. Power LED is
Off. continuous
alarm tone being
generated.
Complete power failure. Remove patient to alternative
form of ventilation, then remove
ventilator from service.
Touch screen
buttons do not
operate as
expected.
Touching the screen at two
points.
Touch screen out of alignment.
Touch the screen at one point
only
Refer ventilator to qualified
service personnel.
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