Troubleshooting
Troubleshooting Guide
6-6
42iQD Instruction Manual
Thermo Scientific
Problem
Possible Cause
Action
Defective DMC board Replace DMC board as needed.
Alarm – Cooler Voltage too
High
Defective cooler
Replace cooler as needed.
Defective DMC board Replace DMC board as needed.
Alarm – PMT Voltage too
Low
Defective PMT
Replace PMT as needed.
Defective DMC board Replace DMC board as needed.
Alarm – PMT Voltage too
High
Defective PMT
Replace PMT as needed.
Defective DMC board Replace DMC board as needed.
Alarm – Frequency too Low Input board is out of
calibration
Recalibrate the Input board.
Alarm – Frequency too High Input board is out of
calibration
Recalibrate the Input board.
Summary of Contents for 42iQD
Page 1: ...42iQD Instruction Manual NOx Analyzer 119013 00 1Sep2021 ...
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Page 32: ...Operation Instrument Display 3 8 42iQD Instruction Manual Thermo Scientific ...
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