OTS-20 User’s Manual
7. Common Problems
Problems
ossible Reasons
Solutions
LCD display is faint
Insufficient power
Replace the batteries
or charge the
rechargeable battery
No display after
turning on
Insufficient power
Replace battery or
Restart the unit
Readings on the LCD
screen remain the
same or fluctuant
slightly after turning on
Problem with the
connector or the
display is locked
Inspect the connection
of the connector or
clean the sensor’s
surface
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