ShenZhen Korno Import&Export Co.,Ltd
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7. Common Faults and Exclusions
Problem
:
Concentration value is not stably when detector place in air, reading is unstable
Possible reasons
: Electrochemical sensor might interfered with unrelated colorless and odorless gas
Solutions
: Place detector at pure gas environment to see whether the concentration value decreasing or not, if it is that the
environment is clear but the concentration value remains high, you need to proceed zero calibration
Problem
: No response or weak response when detecting
Possible reasons
:
1) Oxygen content value of gas is too low: <5%VOL.
2) Gas pressure is too high, the pump can’t not afford it.
3) Expired sensor might cause the problem too .
Solutions
: Make sure the oxygen content value of the gas is higher than 5%VOL when equip with Electrochemistry sensor, Catalytic
combustion sensor or Semiconductor sensor. Detector working pressure is -30Kpa~100Kpa, User can proceed zero calibration if
has standard gas. If oxygen content value, working pressure are eligible for detection but problems still remain, user should return
detector to factory for maintenance.
