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Other

What does this mean?

Possible solution(s)

Alarm sounds

Auto-reader is designed to “alarm” as soon  
as a “positive” result is detected

•  No need to manually check auto-reader 

 

for positive results

Alarm feature may be silenced: 

 

•  Refer to Operator’s manual

All 3 lights blink  
and buzzer sounds

BI has been removed from incubation well before 
the final negative (

-

) or positive (

+

) result

Replace BI in same incubator well within 10 seconds: 

 

•  If BI is not replaced within 10 seconds, data will be 

lost, and the result is “invalid”

Red, yellow or green  
lights do not illuminate  
following insertion 
of a BI, or when time 
remaining button is 
pressed

One of the following may have occurred:

•  Specific light burned out 
• Not using 3M

 Attest

 Rapid Readout BI

•  Check label of BI to confirm using 3M Attest Rapid 

Readout BI

•  Call for repair or replacement

Negative  
“Control” vial

One of the following may have occurred:

•  Vial not crushed
• Media did not wet spore strip

 

• Control vial was sterilized

•  Crush vial before inserting into well
•  Tap vial on table until media wets spore strip
• Check chemical indicator on label

Unexplained positive

One of the following may have occurred:

• Adhesive residue on vial
•  Test vial absorbing fluorescent residue 

 

from a chemical indicator or tape

•  Do not place another label or indicator tape 

 

on the vial or on the cap

•  Place the vial so it does not come in direct 

 

contact with chemical indicators or tape

Health Care

3M Center,  Building 275-4W-02

St. Paul, MN 55144-1000 

 

USA

1 800 228-3957

3M.com/HealthCare

3M Canada

Post Office Box 5757

London, Ontario N6A 4T1

Canada

1 800 563-2921

 

 

3M and Attest are trademarks of 3M.

 

70-2009-8782-7

 

Please recycle. Printed in U.S.A.

© 3M 2007. All rights reserved.

3M

 Attest

 290G Auto-reader

For more information

For more information about 3M Health Care products:
• Contact your local 3M sales representative

 

• Call the 3M Health Care Service Center 1-800-292-6298

 

• Visit our 3M Health Care products Web site at 3M.com/infectionprevention

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