Metrohm 789 Robotic Sample Processor XL - Manual (Page 129)

4.3 Error messages
Metrohm Sample Processor, Service, maintenance, errors 121
∗ invalid rack code
The rack code read in by the Sample Processor cannot be
found in the internal table.
∗ missing beaker
After a MOVE command no beaker can be recognized at the
selected position.
∗ rack data missing
No sample rack in position, or no rack data can be found for
the sample rack currently on the turntable.
∗ RS232 error
The transmission parameters of the RS232 interface do not
coincide with those of the receiving device.
∗ SCAN timeout
The connected device has not transmitted the expected sig-
nal within the defined timeout time. The sample determina-
tion may not have been carried out properly, or the connec-
tion has been interrupted. Check the connected device.
* service recommended
The warning limit of the running time meter has been
reached. It is time for the Sample Processor to be serviced.
Please contact your local Metrohm service department.
∗ user memory full
The memory for the user-defined methods is full. Before new
methods can be stored methods that are not used, or only
used infrequently, must be deleted.
∗ wrong rack
The rack placed on the turntable is not the rack assigned to
the method under parameters .
trap error xxx
Unexpected program error; switch instrument off and then on
again.
No display, LEDs Tower 1
and Tower 2 light up
LCD error (system error 7). Contact Service.