Troubleshooting
Troubleshooting Guide
Thermo Scientific
43iQ Instruction Manual
6-9
Problem
Possible Cause
Action
Alarm – Instrument
Temperature
Fan failure
Replace fan if not operating
properly.
Dirty fan filter
Clean or replace filter.
Overheating PCB
Locate defective PCB reporting
the error and replace if needed.
Alarm – Analog I/O
Defective PCB
Replace Analog board.
Alarm – Digital I/O
Defective PCB
Replace Digital board.
Alarm – Auto Bkg
Cal/Check
Incorrect high alarm limit
Verify the high limit is correct
via Settings>Status and
Alarms>Concentrations screen.
Instrument background
calibration failed
Recalibrate the instrument.
Alarm – Auto Span
Cal/Check
Incorrect high alarm limit
Verify the high limit is correct
via Settings>Status and
Alarms>Concentrations screen.
Instrument span calibration
failed
Recalibrate the instrument.
Содержание 43iQ
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