Johnson Level & Tool Mfg. 40-6001 - Manual (Page 28)

28 ©2013 Johnson Level & Tool - Rev. 3
Error Codes
Code
Description Solution
Err01 Distance is outside of measuring range Measure in a shorter
distance or longer distance
Err02 Reflected signal is too weak Measure on a better surface
Err03 Out of display range Maximum Value: 99,999
Split up measurement area
into smaller segments.
Err04 Pythagorean theorem calculation error Check and verify value or
the sequence of
measurements is correct
Err05 Low Battery Install a new battery
Err06 Temperature is outside of working range Measure in an environment
within specified working
temperature range
Err07 Ambient light is too strong Measure in a darker place
(shadow target)