ShenZhen Korno Import&Export Co.,Ltd
http://szkorno.en.made-in-china.com
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Problem
: Concentration value is unstable when start detecting.
Possible reasons:
Normally dude to gas oxygen content is too low or changing of gas concentration value.
Solutions:
Increase gas oxygen content value and make sure the gas flow speed is stable.
Problem
:Weak pumping,or device make a unusual sound while pumping.
Possible reasons:
Gas inlet blocked due to too many dust and vapor inhaled.
Solutions
：
Return to manufacturer to replace the pump,install a dust and vapor filter at the gas inlet.
Problem:
Unable to boot up instrument.
Possible reasons:
Battery low or empty
Solutions
：
Try to start the instrument after fully charged the battery,if the problem still remain,user need to return the device to
manufacturer.
Problem:
Unable to charge the instrument
Possible reasons:
Adapter failure or wrong adapter(5-5.5VDC,1-2A)
Solutions
：
Make sure output voltage of adapter is 5V,user need to change a adapter if the output voltage is not 5V,if the problem still
remain after change a adapter,user need to return the instrument to manufacturer.
