Trouble-Shooting - Mettler Toledo InTrac 787 Instructions D'utilisation

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Trouble-shooting

In this section you will find an overview of possible malfunctions
which can occur during operation of the retractable housing, as
well as information on how to rectify them.
Malfunction Cause
Immersion tube con Ball valve is not com-
not be inserted. pletely opened.
Immersion tube can Retention nut is not
not be pulled out. open.
Immersion tube can Ball valve is not com-
not be pulled out pletely opened.
completely.
Process liquid is flow- Rinsing chamber is not
ing out of the rinsing closed.
chamber.
Process fluid is enter- O-ring defective.
ing into the immersion
tube.
InTrac 787-01-CH © 02/02 Mettler-Toledo GmbH, CH - 8606 Greifensee
52 402 481
InTrac ® 787
Remedial action
Check the ball valve
position.
Loosen the retention nut.
Ceck the ball valve
position.
Close the outlet of the
rinsing chamber with
covers or with valves.
Replace the O-ring in
the electrode holder
(order O-ring set)
Printed in Switzerland