flue gas analyzer low co2 reading is low

[johnnyplumb]

check the probe & the tubing for any cracks or splits, also check the water trap connector as it goes into the analyser for any cracks. any air leaking in can cause a low co2 reading.

 

[neily01]

Checked the plug on the water trap to ensure it is not letting in air?

 

[Tad334]

check the probe & the tubing for any cracks or splits, also check the water trap connector as it goes into the analyser for any cracks. any air leaking in can cause a low co2 reading.

All that has been done