Lasertec LDM120 Instruction Manual - Trouble Shooting
21
Error code Cause & solution
ERR1
Signal is too weak.
Measure target locations that have stronger
reflecting surfaces.
ERR2
Signal is too strong.
Measure target locations that have weaker
reflecting surfaces.
ERR3
Battery voltage too low.
Charge or replace batteries.
ERR4
Memory damage.
Please contact the supplier.
ERR5
Improper measurement in pythagorean mode.
Re-measure and ensure the correct pythagorean
method is used. Please refer to pg 12-15.
ERR6
Exceed the measuring range
Measure within the measuring range of the device.
ERR7
Camera fail
Please contact the supplier.
ERR8
Tilt fail
Please contact the supplier.
Menu Item
Description
Optional Settings
Backlight
5 seconds - 60 seconds
Laser active timer
20 seconds - 120 seconds
Auto power off
100 seconds - 300 seconds
Sound
On / Off
Unit setting
Metres / feet / inches
Angle unit
Degree (°) / slope (%)
Calibration
-0.009m to +0.009m
Bluetooth
On / Off
▪
Inaccurate measurement results may occur in harsh environments
such as strong sunlight, excessive temperature fluctuations, weak
reflective surfaces or low battery.
▪
Whenever possible, store the instrument in a cool, dry place. Do not
store in high temperatures or strong humidity for long periods of time.