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Repair guides and service information for the VersaMed iVent 201 ventilator.

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O2 calibration incorrect what may be wrong?

why do i keep getting o2 system calibration incorrect even when i replace the o2 sensor and block inlet port?

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Dear the oxygen sensor must be fully operational.

to calibrate you have to connect a patient circuit with flow sensor. First you have to obstruct the inlet air flow ( if you do not have the correct part, close with a adhesive tape all the hole) and wait until the message to unblock the inlet.

so after waiting for finish process.

any doubt contact me at eric@comprehense.com.br

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Thank you, will do this

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Our fleet of iVent 201’s were having a lot of O2 issues even after O2 cell replacement and successful calibration. What I ended up doing was replacing the wiring harness that goes from the main board to the O2 cell, part# M1161986, I replaced this cable on all 11 of our iVent 201’s and it helped a lot.

I also found the best way to calibrate the O2 is to put the filter in a nitrile glove and then install it in the muffler as a way to seal the inlet very well. If it still won’t calibrate I’ve found that the muffler sometimes isn’t properly sealed up (new out of the PM kit box) and isn’t air tight, so you have to re-seal it (not recommended by GE), or get it replaced by GE under warranty.

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We faced similar problems with our ventilator even after replacing O2 sensor.

Cleaning wiring harness Molex connector with iso propyl alcohol & completing VVT resolved error .

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Dontae Rodney さん、ありがとうございました!
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