Bio-Rad Model 550, Ultramark, and Benchmark Microplate Reader Accessories - Manual (Page 15)

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5. Recovering from a Filter Error
There are three filter error messages that can appear in the front panel of the Ultramark:
•
Filter Memory Error
• Filter Set Error
• Gain Mes-2 Error
To correct these errors:
1. Press any button on the front panel of the Ultramark to enter the Filter Set mode.
2. Remove the side panel and the Filter Magazine from the Ultramark (see instructions in
previous section).
3. Note the number of the filter that is in the filter arm (i.e., the Magazine clip that does not have
a filter).
4. To enter the number of the filter in the filter arm:
Press the Open/Close button on the front panel to increase the filter number.
Press the Stop button to decrease the filter number.
5. When you reach the correct filter number, press the Incubator button to reset the filter status.
6. Replace the Filter Magazine and the side panel.