Zhengzhou Winsen Electronics Technology Co., Ltd

www.winsen-sensor.com

Tel: 86-371-67169097/67169670

Fax: 86-371-60932988

Email: sales@winsensor.com

Leading gas sensing solutions supplier in China!

module to designated locations for professional checking.

5 Cautions

5.1 Avoid to contact the material contains silicone such as thermal conductive silicone, silica gel &etc.

5.2 Avoid to store or use it in the environment where there is sulfide, silicide, halogen or other compound.

6 FAQ

Fault

Possible reason

Solution

Yellow light is always lighting

Calibration is not done.

Do calibration again.

Calibration fails because the

standard gas flowing in lately.

Do calibration by normal steps.

Zero calibration fails.

Flow in standard gas and do

calibration again.

Red light is always lighting and

main light doesn’t flickers.

R6,R7 short circuit or rosin

joint.

Weld R6,R7 again.

Sensor rosin joint or short

circuit

Weld the sensor again

Sensor is broken.

Replace the sensor.

Red light is always lighting and

main light flickers

Sensor contacts the target gas

with too high concentration.

It can recover in 1 min after the

high concentration gas dissipates.

Alarm in air

Do wrong calibration or alarm

point drifts.

Do calibration again.

Zhengzhou Winsen Electronics Technology Co., Ltd

Add: No.299, Jinsuo Road, National Hi-Tech Zone,

Zhengzhou 450001 China

Tel: +86-371-67169097/67169670

Fax: +86-371-60932988