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Troubleshooting
Troubleshooting Guide
6-2
410iQ Instruction Manual
Thermo Scientific
Problem
Possible Cause
Action
Micro
SD
Card
Programming
If Micro SD card was just
replaced, re-install the old one. If
the problem is fixed, request a
replacement Micro SD card.
Solenoid current out of
range (option)
Sticking or damaged
solenoid
Reset solenoid via
Settings>Health Check>Status
and Alarms>Valve and Pump
Resets screen. If damaged,
replace solenoid valve block.
Pump current out of range
Damaged or dirty pump
Reset pump via Settings>Health
Check>Status and Alarms>Valve
and Pump Resets. Inspect and
refurbish pump. If pump motor is
damaged, replace pump.
No output signal (or very
low output)
No sample gas reaching
the analyzer
Check input sample flow.
Ruptured
pump
diaphragm
Rebuild pump head.
Blocked sample capillary
Unplug power cord. Clean or
replace capillary.
Calibration drift
Line voltage fluctuations
Check to see if line voltage is
within specifications.
Defective pump
Rebuild pump.
Clogged capillaries
Unplug power cord. Clean or
replace capillary.
Clogged sample air filter
Replace filter element.
Non-linear response
Incorrect calibration
source
Verify accuracy of multipoint
calibration source gas.
Leak in sample probe line Check for variable dilution.
Excessive response time
Partially blocked sample
capillary
Unplug power cord. Clean or
replace capillary.
Hang up/blockage in
sample filter
Change element.
Low line voltage
Check to see if line voltage is
within specifications.
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 – Bench
Temperature
Defective bench heater
Check 10K ohm thermistor and
replace heater if bad.
Summary of Contents for 410iQ
Page 1: ...410iQ Instruction Manual Carbon Dioxide Analyzer 117081 00 1Apr2020 ...
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Page 35: ...Operation Instrument Display Thermo Scientific 410iQ Instruction Manual 3 9 ...
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Page 171: ...Calibration Calibration Thermo Scientific 410iQ Instruction Manual 4 11 ...
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