F-940 Instruction Manual rev. 11/26/2019
1554 NE 3
rd
Ave, Camas, WA 98607, USA
70
Phone: (360) 833-8835
www.felixinstruments.com
4. Unplug the red and black cable
connector by gently pulling the fastener
out the end of the O
₂
sensor.
5. After reconnecting the sensors, insert
fully charged batteries and allow 24
hours to stabilize the sensors.
Replacing the Oxygen (O
₂
) Sensor
The oxygen sensor has a life span of two (2)
years, and we suggest sending in the unit for
annual maintenance to replace components
like the O
2
sensor. The replacement of the
sensor is simple and quick. To purchase the
Summary of Contents for F-940
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