3M MDS100 用户手册

(English)

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