AMES 57013 Owner's Manual & Safety Instructions page 14

Error codes
Error code
Err01 The reflected laser signal is too strong.
The distance to be measured
Err02
falls outside working range.
Err03 The reflected laser signal is too weak.
Err06 Low battery.
Page 14
cause
For technical questions, please call 1-888-866-5797.
Solution
Change target or affix a white
sheet of paper to target.
Measure within the working range
0.2" - 197' (0.05m - 60m).
Change target or affix a white
sheet of paper to target.
Replace battery. See Battery
Replacement on page 15.
Item 57013