Troubleshooting
Error code
Possible cause
Err01
Err03
Err02
Measurement beyond the effective working range.
Err06
Low battery.
Cleaning
• To ensure the instrument operates at optimal performance it
should be regularly cleaned.
• ALWAYS switch the instrument OFF before cleaning.
• The housing can be cleaned with a damp cloth, taking care
that no water enters the product.
• DO NOT immerse the electrical/optical parts of the product in
water or other liquids, and never hold it under running water.
• Any lenses can be cleaned using a cotton bud with a small
amount of distilled water or alcohol.
• After cleaning, ensure that all parts dry properly before use.
• The product should be stored carefully, so that it is protected
from dust and scratches.
Solutions
Change to another target or place a piece of white
paper on the target.
Measure within the effective working range.
Replace with new battery.
H
7
O
2