7.Troubleshooting – Causes and Corrective Measures
Code
204
208
209
252
253
255
Cause
Calculation error
Received signal too weak,
measurement time too long.
Distance >50m
Received signal too strong
Temperature too high
Temperature too low
Hardware error
Corrective measure
Repeat procedure
Use target plate
Target too reflective(use target plate)
Cool down instrument
Warm up instrument
Switch on/off the device several times,
If the symbol still appears, please contact
your dealer for assistance.
Laser Distance Meter User Manual
17
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