58
Turn on the instrument to check the new sensor works correctly through the menu "Sensor Troubleshooting".
It is normal if a newly installed sensor gives a 'current error': it is necessary to wait some time, so that the sensor
polarization can settle.
The table here below shows the minimum settling time for each sensor.
CODE
DETECTED GAS
POSITION
SETTLING TIME
O
2
Sensor
P/N 68619
O2
Oxygen
S1
8 hours
CO Sensor with NOx filter
0
-
4000ppm
CO
Carbon Monoxide
S2
2 hours
6
Place back the tubes (See point 4).
7
Close back the base of the instrument and screw back the four screws (See point 2).
5
Insert the new sensor paying attention to match the sensor connectors with the relevant supports on the
circuit board.
