contact pieces are bent, remove the sensor, gently straighten the
contact pieces and reconnect to get a better contact.
2. Please ensure the contacting terminals are clean, if not, gently use a
Q-tip or other cleaning tools clean them. Do not use abrasive
cleaning tools as they may cause damage to the metal coating.
3. Check with digital voltmeter against sensor output, the output of the
sensor in the air is about 13 ± 3 mV. It takes a few seconds of time
to stabilize the output. If the stabilized output is not the suggested
value, replace the sensor. Refer to the sensor replacement steps.
Batteries don’t last long , or will not charge at all：
1. Charge the batteries with the power turned off, for at least 14 hours.
2. The batteries have an expected life of about 300 charge/discharge
cycles. They will last best if they are never completely discharged.
If all else fails, please consult with factory for support.
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