Thermo Scientific 410iQ Instruction Manual page 187

Thermo Scientific
Problem
Alarm – Bench Temp
Thermistor Short
Alarm – IR Source Current
Low
Alarm – IR Source Current
High
Alarm – IR Detector Bias
Low
Alarm – IR Detector Bias
High
Possible Cause Action
Defective Thermistor Replace Thermistor as needed.
Defective DMC board Replace board as needed.
Cable connection Check the cable connection from
the IR Source to the DMC board.
Defective IR Source Replace IR Source as needed.
Defective DMC board Replace board as needed.
Cable connection Check the cable connection from
the IR Source to the DMC board.
Defective IR Source Replace IR Source as needed.
Defective DMC board Replace board as needed.
Cable connection Check the cable connection from
the IR Source to the DMC board.
Defective IR Source Replace IR Source as needed.
Defective DMC board Replace board as needed.
Cable connection Check the cable connection from
the IR Source to the DMC board.
Defective IR Source Replace IR Source as needed.
Defective DMC board Replace board as needed.
Cable connection Check the cable connection from
the IR Source to the DMC board.
Defective IR Source Replace IR Source as needed.
Defective DMC board Replace board as needed.
Troubleshooting
Troubleshooting Guide
410iQ Instruction Manual 6-5