Operator`s manual

CO2
BAROMETRIC
TOO HIGH
No No 2 The barometric pressure is
too high.
CO2
BAROMETRIC
TOO LOW
No No 2 The barometric pressure is
too low.
CO2
HARDWARE
ERROR
No No 1 AD sampling 2.5V error
CO2
HARDWARE
ERROR
No No 1 The pump malfunctions.
C-7