D-2 error on system 422263 Beckman model J-30I centrifuge.

 

D-2 means a Drive or motor error. The drive is stalled. Drive current may need to be adjusted. It is a very rare problem. To clear this error: press the CE on numeric keypad.  Leave machine on, warm up for 30 minutes.

 

Or try:


ENTER

411
CE


It may be necessary to press CE again and again, and again until all messages are cleared.




S-7 error on system 422263 Beckman model J-30I centrifuge.


An S-7 message may be related to a depleted back up battery.  It can be cleared with the following sequence of keystrokes:

[Enter]  Note: the instrument may not appear to respoding to this command.

911

[Clear]

The system should be immediatey run after the error is cleared.