Xo FLEX Troubleshooting Guide

XO 4 & XO FLEX TROUBLE SHOOTING GUIDE
Version 3.30 15
“MAINS PCB”
The "MAINS" PCB board purpose:
1. 230V general power supply connector.
2. Transformer power supply connectors.
3. Power supply for the lifting motor and the backrest motor of the chair
4. Halogen OP light connector power supply. (Only on AN-378)
5. Calling an assistant connector (relay)
6. Starting the suction motor (relay)
Units produced before September 2017 are equipped with an “AN-378” PCB board
Units produced after September 2017 equipped with the separate EMI filter are equipped with an
“AP-005” PCB board.
See Service Note dated 02 September 2017 on the XO Site page “Technical Service”.
Failure description
Reason
Solution
LED D3 is off (Power supply
chair)
Verify fuse F1 and/or F2
(fuse F1 removed from 10/2017)
Change fuse F1 and/or F2
LED D2 is off
Verify fuse F3 and/or F4
(F3, F4 & D2 removed from
Mains PCB 10/2017)
Change fuse F3 and/or F4
LED D1 is off
(transformer and power
supply)
Verify fuse F5 and/or F6
(fuse F6 removed from 10/2017)
Change fuse F5 and/or F6
LED D1 and D3 are OFF
Mains switch turned off
Fault in mains voltage supply
Fault in mains switch or mains
switch cable
Check that the voltage is reaching
the unit.
Check the clinic Mains switch.

Xo FLEX Specifications

General

Brand	Xo
Model	FLEX
Category	Dental equipment
Language	English