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XO 4 & XO FLEX TROUBLE SHOOTING GUIDE

Version 3.30 83

SPITTOON VALVE DÜRR

All the following information is the property of Dürr dental. No data or indications have been

modified and have only been added to this guide to provide the necessary information to be

able to quickly intervene on a failure related to the spittoon valve.

For more information, please refer to the "Installation and Operating Instructions" at

http://www.durrdental.com/

Failure description

Reason

Solution

Spittoon valve is not

working.

No Power supply

Verify the power supply

Check the connectors

No air present

Check the compressed air

supply on spittoon valve.

Sensor is defective

Check the sensor function by

pressing the switch.

Check the function by manually

moving the float sensor.

Suction unit does not start

or run continuously.

The float sensor is blocked

Clean the housing and the float

sensor.

Insert the float sensor correctly.

The liquid does not flow

through

The drain is blocked

Clean the drain line.

Check if the filters. Clean them if

clogged

Brand

Model

FLEX

Xo FLEX Troubleshooting Guide

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