Xo FLEX Troubleshooting Guide

XO 4 & XO FLEX TROUBLE SHOOTING GUIDE
Version 3.30 49
LIGHT CURING SYSTEM – LYSTA 88 / 89 & ODONTOCURE
Failure description
Reason
Solution
Light curing lamp does not
work when activated
Connection problem
The cable is not mounted correctly
or is defective.
The cable CA-101 connecting the
“Bridge PCB AN-368” to the
"Suspension PCB" is not mounted
correctly or is defective.
The curing lamp is controlled by the “Powerdriver PCB AO-137”.
Before changing the lamp, the following checks should be carried out:
Measurements are made on pin J2 located on the "Bridge PCB AN-368" see
page 24 for more information.
Pin 3: Power Bus 1
Pin 2: PGND
Power supply issue on the “Power
Supply PCB”
Check if the LEDs D2 & D4 located
on the “Power Supply PCB AN-371”
are lit.
If not, check fuses 11 & F12.
View the session “Power Supply
PCB AN-371” page 16.
Power supply issue on the “Bridge
PCB”
Check on J1, the presence of the
+36V : between pins 1 & 6
-36V : between pins 2 & 6
24VDC : between pins 5 & 6
See the “bridge PCB
” session on
page 24.
If all the above applies:
Measure on J2 “bridge PCB”
between
Pin 3: Power Bus 1
Pin 2: PGND
if the “Power Supply PCB AN-371”
modules correctly.
When the lamp is activated
Pin 3 & 2 : 4,6VDC
Modulation issue on the "Power
Supply PCB".
In case the measurement on J2
Pin 3 & 2 = 0VDC when the lamp is
activated, replace the “
Powerdriver
PCB AO-137”
LED is defective
In case the measurement on J2
Pin 3 & 2 = 4.6VDC when the lamp is
activated and the LED does not light
up, return the lamp to XO-care.

Xo FLEX Specifications

General

Brand	Xo
Model	FLEX
Category	Dental equipment
Language	English