Instrument display
ActionDescriptionError
code
See Instrument display, on page 411High temperature51
I/O-box
ActionDescriptionError
code
See I/O-box, on page 410High temperature20
Check the external equipment connected
to the I/O-box.
Analog in signal below -2V21
Check the external equipment connected
to the I/O-box.
Analog in signal above 2V22
Restart the instrument. If recurrent please
contact Service.
Internal instrument error23-28
420 ÄKTA avant User Manual 29035184 AE
8 Troubleshooting
8.9 Error codes