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3M © 2003 78-8078-8977-5 Page 8 of 9 Attest 290 Auto-reader
TROUBLESHOOTING GUIDE
Trouble Shooting Guide
In the event of an error code, unplug the Attest 290 Auto-reader and plug it back in to initiate the self-
diagnostic test. If error code re-occurs, call for repair or replacement.
The display panel will indicate malfunctions detected by a specific error code. Refer to the following:
Code Problem Solution
C1 Unit Warm-up Caution Allow a 30 minute warm-up after
Incubation block not at temperature Attest 290 Auto-reader is plugged in.
(RRBI readings are disabled until
incubator block reaches 60ºC +/-2ºC).
C2 RRBI has been removed before incubation Replace RRBI in proper well within 10 seconds.
complete. All three lights for affected RRBI
will light and alarm will sound if active.
E1 Temperature Control Error Call for repair or replacement.
This error will occur if system is no
longer able to control the temperature of
the incubator block (60ºC +/-2ºC).
E3 Memory Error. Call for repair or replacement.
E4 Analog-Digital Conversion Error. Call for repair or replacement.
E7 Communications Error Call for repair or replacement.
This error will occur if internal
communications have failed.
E8 Bulb Error Call for repair or replacement.
This error occurs if the system detects
that the bulb is too dim to properly read
RRBI results.
E9 Transport Error Call for repair or replacement.
This error will occur if the system detects
a motor failure or positioning problem.