Troubleshooting - Error Codes
CODE
Calculation error.
204
208
Received signal too weak, measurement
time too long, Distance > 229 ft (70 m).
Received signal too strong. Target too re-
209
flective.
252
Temperature too high.
253
Temperature too low.
255
Hardware error.
18
micro LM-400 Laser Distance Meter
CAUSE
CORRECTIVE MEASURE
Repeat procedure.
Use target plate.
Use a commercially available target plate.
Cool down instrument.
Warm up instrument.
Power the unit OFF then ON, if the symbol
still appears, please contact technical sup-
port.