Xo FLEX Troubleshooting Guide

XO 4 & XO FLEX TROUBLE SHOOTING GUIDE
Version 3.30 33
BLOCK SYRINGE, AN-510 :
Failure description
Reason
Solution
No water or air on the
syringe block
Fault in water or/and air pressure
line to bridge.
Check that the air or/and water
reach the syringe. If there is no
air or/and water refer to
“
water/air XO4 & XO Flex” on
page 54.
No spray air on the syringe
module
Information.
Check the spray air works
correctly on another instrument
to determine if the failure is
connected directly to the AN-503
Spray main valve on the main
block or the AN-507 Spray valve
on the instrument block.
Air flow rate too low.
Check the configuration of the
“AIR” air flow rate in the
technician menu.
Set it to 100%, see page 26
“Technician menu”
Obstructed by plastic swarf or
grease deposits.
Remove the suspension from the
connector the and check that it is
not obstructed by grease residue
or plastic swarf.
Spray air solenoid valve is
defective.
Check the resistance of the valve
coil
Remove the coil, disassemble
the valve and clean or replace
the valve piston/gasket
Replace the proportional spray
air valve if defective.
Check the voltage on the AN-503
solenoid valve on J4 “Prop. Valve
Spray Air” Measuring point
between:
Pin 1 - 3 = +24V
The Spray Solenoid Valve
AN-503 is connected and
receives the signals from the AN-
368 main board on the J4.
See page 20 for more
information.
Measuring point between:
Pin 2 - 3 (PWM) 22.22kHz
The bridge PCB AN-368 is
defective
If no 24V or no pulse modulation
signal, change the “Bridge PCB
AN-368”

Xo FLEX Specifications

General

Brand	Xo
Model	FLEX
Category	Dental equipment
Language	English