Parker NitroFlow - calibrating O2 sensor

If asked to recalibrate your O2 sensor by a support technician, please follow these instructions.

1. Switch the unit off by touching the front switch off button.
2. Let the system depressurize
3. Remove the sensor cap (E) and expose the sensor to ambient air.
4. Wait for 60 seconds.
5. Enter the maintenance menu , screen 3/5 wait until the oxygen level reads 20.9%.
6. Then go to screen 5/5 and touch O2 20.9% button. The system will ask for confirmation. Select YES.
7. Reconnect the tube (F) and the sensor cap (E) with the sensor (C).

Please note:

The sample flow is factory preset by with FCV3 and normally should not be adjusted. Tampering with this valve will have a major affect on the operation of the generator. Please inform our service team if you suspect that the sample flow is incorrect.

O2 sensor Replacement

O2 sensors have a limited lifespan, usually around 3 years. Extended storage also affects operational lifespan. Contact us if you need to purchase a replacement sensor, which are normally held in stock in our warehouse.