If the LSG range of diameter gauges fails to work correctly, please follow the steps below. If it still fails to work properly after testing, please contact our offices or your local distributor for assistance.

Problems	Check	Solutions
The panel does not light	Check that the power cable is correctly connected.	Connect the power cable correctly.
	Check if the power switch is on.	Turn on the power switch.
	Check if the supply voltage is within the specified range.
ERR is displayed		Handle according to the error code displayed.
No measured value is displayed	Check if the object is within the measuring area.	Put the object into the measuring area.
	Check if the object is smaller than the minimum measurement range. Check whether the edge of the object is outside the measurement range.	Use the object correctly.
	Check if the measurement area is obstructed.	Ensure that no objects other than the target obstruct the light beam.
	Check if the mode of measurement is correct.	Set the mode of measurement correctly.
	Check for condensation.	Install the LSG range of diameter gauges in a proper environment.