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After the detector turns off automatically, please charge the battery
within 12 hours, so as to avoid that the battery cannot work due to too
voltage too much low.
If the detector won’t be used for a long time, please take out the
batteries and put it in dry environment.
During replacing the batteries, make sure they are with the same
capacity. If use alkaline batteries, please don’t charge them.
7. Sensor using and replacement
In normal working status, the sensor life is 2 years. When the sensor
is overdue or defective, please contact the seller for correct replacement
instruction.
8. Troubleshooting Guidance
Fault
Possible reason
Solution
Cannot be turned
on or auto turn
off
Too low voltage
Charge it in time or
replace the battery
No response to
gas
Warm-up or zero calibration
doesn’t finish
Wait till it finishes
Sensor fault
Replace the sensor
“
OL” is on
Too high concentration
Make zero calibration in
the clean air or re-calibrate
the detector