Chapter 3 Troubleshooting Guide
Symptom
Probable cause
Corrective Action
Reference
between High and
Low
Damaged cabling
Perform an end to end continuity check on the
intensity/target cable.
Figure 1-6 on
page 11
Damaged LED light
current assembly
Follow steps in “Troubleshooting the LED light
current assembly.”
Section 3.2 on
page 23
Red target light
does not come on
Broken switch
Open device and verify intensity switch
continuity using a DVM
Damaged cabling
Perform an end-to-end continuity check on the
intensity/target cable.
Figure 1-6 on
page 11
Damaged LED light
current assembly
Follow steps in “Troubleshooting the LED light
current assembly.”
Section 3.2 on
page 23
Diffuser is
excessively hot
(above 50
o
C)
Fan not working
If the diffuser surface is hotter than 50
degrees C, verify that both enclosure fans are
functioning correctly. If they are not, refer to
fan actions, below. Verify that vents are not
blocked.
Patient becomes
too warm
Vents are blocked.
If the patient has become too warm, verify that
vents are not blocked.
Figure 2.1 on
page 17
Fan not working
Verify that both enclosure fans are functioning
correctly. If they are not, refer to fan actions,
below.
Enclosure fan(s)
not working (not
audible)
Fan(s) jammed
Verify that nothing has become jammed in the
fan(s).
Section 0 on
page 30
Fan(s) cable not plugged
in
Open the device and verify that the fan(s)
cable is plugged in securely.
Figure 1-6 on
page 11
Damaged cabling
Perform an end to end continuity check on the
power/fan(s) cable
Figure 1-6 on
page 11
No power
Verify with a DVM that there is 23.5-24.5VDC
between pins 1 and 4 of J2 and pins 1 and 2
of J6.
Figure 1-5 on
page 10
Timer not
updating/hours not
displayed
Damaged cabling
Perform end-to-end continuity check on timer
power cable.
Figure 1-6 on
page 11
Damaged LED light
current assembly
Follow steps in “Troubleshooting the LED light
current assembly.”
Section 3.2 on
page 23
Damaged timer
Replace timer.
LED string(s) goes
out
LED short or open
You can increase the intensity if necessary.
If the device still produces enough light there
is no need to replace the panel.
Section 2.4 on
page 19
22
neoBLUE LED Phototherapy System Service Manual
PN 001320 Rev K
Summary of Contents for neoBLUE
Page 1: ...Service Manual...
