Error Messages On The Display - Ht Instruments Idm70 Bedienungsanleitung

7. ERROR MESSAGES ON THE DISPLAY

Code
204
208
209
252
253
255
Description
Calculation error
Weak signal reflection,
measuring
long, distance > 70m or
<5cm
Too intense reflection of
the signal
Temperature too high
Temperature too low
Hardware error
time too
EN - 21
Solution
Press
procedure
Carry out measurement
on an
surface
Carry out measurement
on a less
surface
Let the instrument cool
down
Let the instrument heat
up
Turn off the instrument
and turn it on again
several times. Contact
Customer Service if the
message is displayed
again.
iDM70
and repeat
appropriate
reflective