Troubleshooting
13
Power on but
Press the power key more than 3 seconds
no display
Replace the battery and try again
Remove the battery and wait one minute
Reinstall and try again
E1
The probe is not connected or damaged
E2
The value is underflow
E3
The value is overflow
E4
The original data that is relative to this
value has an error
E5
Out of meter display range
E6.
The value is not calculated completely
E11
Humidity Calibration error