Hanwei BS03, Operation Manual, Page: 16 / 20

BS03 fixed gas detector operation manual
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8. Trouble shooting guidance
Problems Possible reason solution
NO response to gas
Sensor damage Replace sensor
Electrical fault Contact with seller
Abnormal
connection
with
controller
Wiring fault Check the wiring
Electrical fault Contact with seller
E-01 Calibration fault recalibrating
E-02
Wiring fault, connection fault or
sensor fault Reconnect the wire or
replace sensor
E-04 Sensor drift Replace sensor
E-06 System’s parameter fault Reload system parameter