Metrohm 726 Titroprocessor - Manual (Page 239)

12 12. . Troubleshooting Troubleshooting
726 Titroprocessor, Instructions for use 233 233
CHANGER 17: illeg. rack and swing head combination, changer 'X'
• A swing head is required on the sample changer for the rack placed on
it. This must be entered in the sample changer configuration, see
[Config.] [Sample changer] [Changer 1(2)].
• A swing head has been entered in the sample changer configuration.
Use a sample rack designed for it or switch off the swing head (see
above).
CHANGER 21: changer X busy
An attempt has been made to access changer X, although this is either al-
ready occupied with a different task or is not present at all.
CHANGER 22: changer X unexpected error
A fault has occurred which cannot be specified more closely. Try to initialize
sample changer X again. Press the key and the soft-
keys [Sample changer] and [Reset].
If the fault cannot be eliminated please contact the service department of
your local Metrohm agency and tell them the error message number.
CHANGER 23: changer 'X' special beaker not defined
A particular special beaker is required for the method used. Define the ap-
propriate special beaker for the sample rack used (softkeys [Config.]
[Sample changer] [Special beaker]) or alter the method (command
Changer).
CHANGER 24: changer 'X' after MOVE_B no beaker present
The required special beaker has not been found. The sample changer can
be manipulated manually in the HOLD condition. Place the special beaker in
the corresponding position and press .
CHANGER 25: changer 'X' wrong rack
The method used requires a particular sample rack which apparently is
currently not placed on the sample changer. The sample changer can be
manipulated manually in the HOLD condition. Place the correct rack on the
changer and press .
CHANGER 27: changer 'X'; missing sample beaker
The next sample beaker has not been found. The sample changer can be
manipulated manually in the HOLD condition. Place the correct sample
beaker in the appropriate position and press .
CHANGER 28: changer 'X'; Pump missing or not configured
The selected pump is not present or has not been configured. Check the
configuration under [Config.] [Sample changer] [Changer 1(2)].