Metrohm 730 Sample Changer User Manual Page 164

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5.1 Error Messages
730 Sample Changer, Appendix
161
5 AppendixAppendix
5.1 Error Messages
When an error occurs the execution of the active command is in-
terrupted and an error message is displayed (display blinks). This
must be acknowledged with the <QUIT> key.
If an error occurs during processing of a sample series, the
changer will then be switched into the 'HOLD' state. After the
cause of the error has been rectified, the sample series can be
continued with the next command in the active sequence by
pressing the <START> key. If the error cannot be eliminated, the
method running can also be halted with <STOP>.
The list of possible error messages and their causes:
* battery low The battery for the permanent storage of user meth-
ods must be replaced.
* changer low power The power supply cannot deliver enough power for
the simultaneous operation of all components cur-
rently in use (stirrers, pumps, lifts).
* changer not ready The changer cannot execute the command chosen
because it is busy carrying out another action.
* changer overload Load or resistance too large to carry out the chosen
action.
* Dos## command not exec An error has occurred with the indicated dosing unit.
* Dos## ext. bus failure An unexpected error has occurred with an instrument
(Dosimat, Dosino) that is connected on the external
bus.
* Dos## no exchange unit There is no exchange unit mounted on the dosing
unit indicated.
* dos.unit ## missing The dosing unit chosen is not connected.
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