Metrohm 726 Titroprocessor User Manual

Page 246

12.1 Error messages

726 Titroprocessor, Instructions for use

240

DOSING 21:

XX busy or not corresponding settings

Dosing drive XX is not answering at the moment. Wait until it is ready again

or, if necessary, switch the Titroprocessor off and then on again.

DOSING 22:

XX already locked

•

The dosing drive to be accessed is currently being used by a running

determination. Wait until this has been completed.

•

A running method is trying to access a dosing drive which is currently

occupied with a manual operation. This interrupts the determination

('HOLD'). As soon as the dosing drive involved is again available the de-

termination can be resumed by pressing the key.

DOSING 23:

XX not present, check dosing drive

Dosing drive XX is not connected. Switch off the Titroprocessor, connect up

the dosing drive and switch on again. Dosing drives are only recognized

correctly when the instrument is started up.

DOSING 24:

XX check exchange unit

The exchange unit or dosing unit of dosing drive XX is not attached or is not

attached correctly.

DOSING 25:

XX not corr. settings for DEVICES and METHOD

In the running method entries for the reagent are laid down which do not

coincide with the current entries on the dialog page 'Devices & Manual

Control'. Check whether the correct reagent is being used with the selected

dosing drive. Bring the entries up to date if necessary (

key). The name of the reagent can be selected from a suggestion list (with

space bar or [Select] softkey). If the comparison of the reagent names is not

required this can be switched off by completely deleting the entry.

DOSING 26:

XX no power

Dosing drive XX is overloaded. Check the buret unit.

DOSING 27:

XX not ready, probably filling

The dosing drive is currently occupied. Wait until it is free again.

DOSING 28:

XX unexpected error, code XXXX

A fault has occurred which cannot be specified more closely. Check the

dosing drive and the dosing drive connections. If the fault cannot be reme-

died please contact the service department of your local Metrohm agency

and tell them the error code.

DOSING 29:

XX no tubing set

No buret unit with tubing parameters has been entered for a PREP or

EMPTY command. Check the method.