Troubleshooting
Troubleshooting Guide
Thermo Scientific
48iQ Instruction Manual
6-5
Problem
Possible Cause
Action
Defective Thermistor
Replace Thermistor as needed.
Defective DMC board
Replace board as needed.
Alarm – Bench Temp
Thermistor Short
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.
Alarm – IR Source Current
Low
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.
Alarm – IR Source Current
High
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.
Alarm – IR Detector Bias
Low
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.
Alarm – IR Detector Bias
High
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.
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Страница 220: ...Servicing DMC Optical Bench 7 36 48iQ Instruction Manual Thermo Scientific Figure 7 40 Filter Wheel ...
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