Dräger Isolette 8000 plus - Page 123

Instructions for use Isolette 8000 plus SW 5.n 123
Troubleshooting
11.1.5 Oxygen-specific alarms
Low Low Humidity
(Alarm can be silenced for
15 minutes)
(Alarm is inhibited for 30 minutes after
start-up; and for 15 minutes after a
set point change)
(this alarm is only available when the
humidity control is activated.)
The displayed humidity
value is >10% below the
humidity set point for more
than 15 minutes:
The water reservoir assem-
bly is not fully inserted in the
incubator shell.
Insert the water reservoir
assembly fully in the incu-
bator shell.
Low water level in the water
reservoir
Refill the water reservoir.
A hand port or iris port is
open.
Close all hand ports and iris
ports.
An iris port sleeve is open
or improperly installed.
Check the installation of the
iris port sleeve.
A hose grommet is not
properly installed.
Check the installation of the
hose grommet.
Gaps in hand port gaskets Check gaskets for proper fit.
If the alarm persists, switch
off the incubator and
remove it from service.
Alarm
priority
Alarm Cause Remedy
Alarm
priority
Alarm Cause Remedy
Medium High Oxygen %
(Alarm can be silenced for 4 minutes)
(Alarm is inhibited during oxygen cell
calibration; and after lowering set
point (for a maximum of 30 minutes))
(this alarm is only available when
servo oxygen control is activated)
The displayed oxygen value
is above the oxygen set
point by more than the oxy-
gen deviation limit.
The air inlet filter is dirty. Replace the air inlet filter.
There is a lack of air circula-
tion within the incubator.
Ensure that air ducts are not
covered or obstructed.
There is a malfunction in the
oxygen control system.
Switch off the incubator,
and remove it from service.
Medium Low Oxygen %
(Alarm can be silenced for 4 minutes
and can also be set to a 4-minute pro-
cedural silence)
(this alarm is only available when
servo oxygen control is activated.)
The displayed oxygen value
is below the oxygen set
point by more than the oxy-
gen deviation limit.
A hand port or iris port is
open.
Close all hand ports and iris
ports.