56 GB/IE
Error, faults & troubleshooting
Error
code
Cause
Solution
204
Calculation error
Refer to user manual, repeat
the procedures.
220
Low battery
Replace batteries or charge
the batteries.
255
Received signal too
weak or measurement
time too long
Improve the reflective surface.
(Use target plate, white paper)
256
Received signal too
strong
Improve the reflective surface.
(Use target plate, or don't aim
at strong light)
261
Out of measuring
range
Measuring the distance within
measurement range.
500
Hardware error
Switch on / off the product, if
the symbol still appears after
several times, please contact
with your dealer.
Maintenance and cleaning
The product is maintenance-free.
CAUTION!
Never submerse the product in water or other
liquids. Do not allow any moisture to penetrate into the product
during cleaning.