37
CO
HC
%
ppm
CO
2
O
2
%
%
Lambda
AFR
NO
X
CO
HC
%
ppm
CO
2
O
2
%
%
Lambda
AFR
NO
X
④
If HC value is below 20ppm for 30 seconds, it means normal, and displays ‘PASS’.
If HC value is over 20ppm for 30 seconds, give another try from above
③
.
If the result of the second try is over 20ppm, ‘FAIL’ sign is displayed
.
⑤
Clean inside this analyzer by pressing the PURGE key when “Fail” is indicated
because
remaining gas leaves from the end of the probe to inside this analyzer. But if “Fail“ is indicated
again after the purge mode process, please exchange various expendables filters to have a
remaining HC test again
