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DM40
EN - 17
7. ERROR MESSAGES ON THE DISPLAY
Code
Description
Solution
204 Calculation
error
Press
and repeat
procedure
208
Weak signal reflection,
measuring time too
long, distance > 40m or
<5cm
Carry out measurement
on an appropriate
surface
255 Hardware
error
Turn off the instrument
and turn it on again
several times. Contact
Customer Service if the
message is displayed
again.