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Troubleshooting
Troubleshooting the 3M Molecular Detection Instrument
Problem Possible Cause Solution
Instrument remains in
Heat state (orange status
light)
Core Temp shows -
Infinity °C
Self-Check fails Core
Heater and/or Lid Heater
test
Pluggable heater is not installed
correctly
Reinstall pluggable heater and power cycle the
instrument
Puggable heater was recently
cleaned and not completely dry
Allow heater to air dry longer
Heater pogo pins are not straight Straighten pins
Pin heads on the inner shell are
dirty or corroded
Clean pins
Core Temp shows “NaN”
Software and instrument are out
of sync
Power cycle the instrument
Self-Check fails
Photodiodes test
Instrument lid open and/or tray/
tubes inside instrument during
self check
Remove tray/tubes, close lid, and restart
Self-Check
Self-Check fails Power
test
Power connections are not secure
Turn power switch to off, check connections,
and turn switch to on.
Self-Check fails SRAM
test
Memory corruption
Reinstall firmware. If failure persists, return
instrument for repair.
Self-Check fails Firmware
test
Memory corruption
Checksum mismatch
Reinstall firmware. If failure persists, return
instrument for repair.
Self-Check fails Serial
Number test
Invalid serial number
Reinstall firmware. If failure persists, return
instrument for repair.
Lid does not open
Pluggable heater and/or Speed
Loader Tray are not seated
properly
1. Power cycle the instrument. 2. If lid not does
open using the main lid button, use emergency
lid release on the bottom of instrument. Remove
the screw covering the button, and then insert
a thin object (e.g., unfolded paperclip) into the
hole and press the button. 3. Check that heater
and/or tray are secure.
Solenoid malfunction
1. Power cycle the instrument. 2. If lid not does
open using the main lid button, use emergency
lid release on the bottom of instrument. Remove
the screw covering the button, and then insert
a thin object (e.g., unfolded paperclip) into the
hole and press the button. 3. Open lid, hold lid
plunger down, and press lid open button. 4. If
solenoid does not actuate (no clicking sound),
return instrument for repair.