20
Operation
Error Codes
All errors or failures will be shown as codes. The following
table explains the meaning of codes and solutions.
Code
Cause
Corrective Measure
204
Calculation Error
Refer to User Manual, repeat the
Procedures
208
Excessive
Current
Please contact our Customer Service
220
Battery Low
Replace Batteries.
252
Temperature too
High
Let device cool down to operating
temperature at 0° C
– 40° C.
253
Temperature too
Low
Warm up the device to operating
temperature.
255
Received signal
too weak or
measurement
time too long.
Position a neutral plate on the target
or change a more reflective surface.
256
Received signal
too Strong
Target too reflective, position a
neutral plate on the target or aim at a
less reflective surface.
261
Outside of the
Range of
Measurement
Select the measurement distance
within the range of measurement.
500
Hardware Error
Switch on/off the device several
times. If the symbol still appears,
please contact our customer support
department.