Kendro SORVALL Biofuge primo, Operating Instructions Manual

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Troubleshooting
54
In case you must call the Service
Should you require our Service, please tell us the order
no. and serial number of your instrument. You find the
pertinent information at the back of the instrument near
the socket for the mains plug.
Moreover it is helpful for our service technician to know
the software version. You can determine the software
version as follows:
1. Switch the instrument off.
2. Switch the instrument on.
All displays read 8.88888… for about one second.
Subsequently, the display may read e.g. the follow-
ing readings for 2 seconds each:
Software version keyboard
__591 __2
Software version __590 __6
NV-RAM version 1 _2571 __7
NV-RAM version 2 _2572 __2
The values in the time panel give the development
stage.
The last information displayed is the current cycle
status.
Cycle counter
__235 _CY
The values given are only examples!
During the subsequent program test, the message
_ TEST PRO 9 ... 0 is displayed.