116 Instructions for use Isolette 8000 plus SW 5.n
Troubleshooting
Medium Heater Failed 2
(Alarm is delayed for 1 minute after the
alarm condition occurs)
The heater thermocouple
wires are open or shorted.
Switch off the incubator, and
remove it from service.
Medium Humidity Heater Fail
(Alarm can be silenced for 15 minutes)
The optional humidification
system is installed and the
humidifier heater circuit
draws too much current.
Switch off the incubator and
remove it from service.
Medium Motor Failed
(Alarm is delayed for 40 seconds after
the alarm condition occurs)
The fan impeller motor mal-
functioned.
Switch off the incubator and
remove it from service.
Medium Power Failure
(Alarm activates an acoustic alarm sig-
nal and the LED on the front panel illu-
minates; no message appears on the
screen)
The main power cable is
unplugged.
Make sure that the power
cable is plugged into the AC
power source.
Ensure that the power cable
is firmly attached to the
height adjustment trolley
receptacle.
The power cable to the incu-
bator on the front of the
device is unplugged.
Attach the power cable to
the incubator receptacle.
Over-current protection
fuses in the height adjust-
ment trolley have blown.
Switch off the incubator and
replace the fuses (see Fuse
replacement on page 151).
Medium Sensor Disconnect The sensor module possi-
bly experienced a communi-
cations failure.
If the sensor module is not
connected, connect it.
If the message persists:
Switch off the incubator and
then turn it on again.
If the alarm still continues,
replace the sensor module.
If the alarm persists, remove
it from service.
Medium Sensor Module Failure 1-8 A sensor module malfunc-
tion occurred.
Switch off the incubator and
replace the sensor module.
If the failure persists, switch
off the incubator and
remove it from service.
Medium Sensor Out of Position
(Alarm can be silenced for 5 minutes)
The sensor module is not in
the correct position for cali-
bration or operation.
Verify proper positioning of
the sensor module. If the
alarm persists, switch off the
incubator and remove it
from service.
Alarm
priority
Alarm Cause Remedy
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