3M Attest Auto-reader 490H - Care and Cleaning; Troubleshooting Guide

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CARE ANDCLEANING
Clean the exterior surface of the 3M™ Attest™ Auto‑reader 490H by wiping it with a
damp cloth moistened with a mild detergent. Do not attempt to clean interior components.
If additional cleaning of the wells is required, call for repair orreplacement.
Note: The 3M™ Attest™ Auto‑reader 490H does not contain any user serviceable parts
or require any routine maintenance or calibration. Any malfunctions will be indicated by an
error code. Refer to the Troubleshooting Guide section for error codeexplanations.
CAUTION: Always unplug the 3M™ Attest™ Auto‑reader 490H and allow to
cool before cleaning.
Do not spill liquid onto or into the instrument. Do not immerse the unit in liquid.
Clean external surfaces using only the instructions provided by the manufacturer.
Do not open the instrument housing – there are no user serviceable parts. The
instrument must be returned to the manufacturer for repair.
TROUBLESHOOTINGGUIDE
In the event of an error code, unplug the 3M™ Attest™ Auto‑reader 490H and plug it back in to initiate the self‑diagnostic test. If error code re‑occurs, call for repair orreplacement.
The LCD display will indicate detected malfunctions by displaying a caution or error code under affected BI wells. The audible alarm, if active, sounds and the LCD display backlight
flashes to alert the user to all caution (except C1) and error codes. The alarm and backlight can be silenced and extinguished, respectively, by pressing the Buzzer Alarm OFF button .
Note that disabling the audible alarm does not disable the flashing LCD display backlight. Refer to thefollowing:
Code/ Issue Problem Solution
C1
Unit Warm‑upCaution
Incubation block not at temperature.
Allow a 30minute warm‑up after 3M™ Attest™ Auto‑reader 490H is
plugged in. (Note: 3M™ Attest™ Rapid Readout BI readings are disabled until
incubator block reaches 60ºC +/‑ 2ºC).
C2
BI Removed from WellCaution
3M™ Attest™ Rapid Readout BI has been removed before incubation is complete.
Replace 3M™ Attest™ Rapid Readout BI in proper well within 10seconds to
prevent loss of collected data.
C4 Ambient Light Caution
Move 3M™ Attest™ Auto‑reader 490H to reduced ambient light conditions.
E1
Temperature ControlError
This error will occur if system is no longer able to control the temperature of the
incubator block (60ºC +/‑ 2ºC ).
Unplug the unit and plug it back in to clearerror.
If error doesn’t clear, call for repair or replacement.
E3
MemoryError
3M™ Attest™ Auto‑reader 490H unable to save/read data from memory.
Unplug the unit and plug it back in to clearerror.
If error doesn’t clear, call for repair or replacement.
E7
Communications Error
This error will occur if internal communications have failed.
Unplug the unit and plug it back in to clear error. If error doesn’t clear, call for
repair or replacement.
E8
LEDError
This error occurs for a specific well if the system detects that a UV LED or Optics
Detection circuit is not working.
Unplug the unit and plug it back in to clearerror.
If error doesn’t clear, call for repair or replacement. Do not use affected
incubation well.
E11
BI Inserted IncorrectlyError
Incubation time remaining will not display and fluorescent readings are not taken.
Remove BI and inspect to verify cap is fully closed, glass ampoule is crushed,
and growth media is in growth chamber. If necessary, repeat BI activation
steps: place & push BI down FIRMLY into incubation well; remove BI and flick
it; inspect BI; and return BI to incubation well, ensuring it is seated properly.
E12
Power FailureError
Power to Auto‑reader was off for too long to provide valid result for affected BI(s).
Ensure power supply connection to Auto‑reader is secure. Retest sterilizer
with a new BI.
E14
Ambient Light Error (occupiedwell)
Fluorescent result will not display.
Rely on optional visual pH color change result for BI in affected well. Move
3M™ Attest™ Auto‑reader 490H to reduced ambient light conditions to avoid
future occurrences. To clear E14error code, after visual pH color change result
has been documented and BI has been removed, unplug the 3M™ Attest™
Auto‑reader 490H and plug it back in.
Other Unwanted alarm sounds when positive BI detected.
Disable alarm; refer to 3M™ Attest™ Auto-reader 490H Configuration
section for instructions.
Other
AlarmSounds
3M™ Attest™ Rapid Readout Biological Indicator has been removed from
incubation/reader well prematurely.
Replace 3M™ Attest™ Rapid Readout Biological Indicator in incubation/
reader well within 10seconds to prevent loss of data collected.
Other LCD display does not display properly.
Unplug the unit and plug it back in. If problem persists call for repair
orreplacement.
Other
Negative Control Vial
BI not properly activated/ media did not contact spore carrier.
Ensure BI cap is closed and glass ampoule is crushed. Flick BI until media
flows to spore chamber at bottom of BI.