SYMPTOM
PROBABLE CAUSE
CORRECTIVE ACTION
Air vents are
blocked
Verify that vents are not blocked.
If the patient surface is above 40°C (104°F),
verify that the fan is functioning correctly.
Device not used
within specified
operating
temperature
Operating conditions for the neoBLUE cozy
light are 20 – 30°C (68 - 86°F). Verify that
temperature is within range, and adjust
ambient temperature or move the device to
a cooler area.
Excessive heat is
being trapped
underneath the
device
Remove any mattress or cushioning from
underneath the device so that the device is
operating on a hard, flat surface.
If none of the above corrects the problem, open the main
enclosure and check for the following:
MATTRESS SURFACE
HAS BECOME
EXCESSIVELY HOT
(ABOVE 40°C/104°F)
Fan is not running
The fan is not a user serviceable
component. Replace LED PCB. Contact
Natus Technical Service or authorized
service provider.
Air vents are
blocked
Verify that vents are not blocked.
If the infant becomes too warm, verify that
the fan is functioning correctly. To reset
Indicator LED, turn device off and on again.
Device not used
within specified
operating
temperature
Make sure that the device is not used in
ambient temperature greater than 30
°
C,
causing device to turn off to prevent
overheating. To reset Indicator LED, turn
device off and on again.
Device placed on a
soft surface (i.e.
mattress, bed)
The device should be placed on a hard
surface during operation. The mattress or
any soft surface in contact with the center
bottom of the device will trap heat, causing
the device to overheat, triggering the
indicator LED.
Filter has become
clogged
Clean filter per Section 2.1.2.
Main enclosure fan
is not running
Verify that fan is able to spin freely. If
necessary, replace LED PCB (fan is not
available separately). Contact Natus
Technical Service or authorized service
provider.
INDICATOR LED
TRIGGERS
(TEMPERATURE
CUTOFF POINT
REACHED)
Component on
PCB board has
become faulty.
Replace LED PCB (see Chapter 4). Contact
Natus Technical Service or authorized
service provider.
neoBLUE® cozy Service Manual
12
P/N 051915 Rev.
D
