38 | English
Troubleshooting
Temperature Warning
Temperature warning flashes, measurement not possible
Cause: Measuring tool is outside the operating temperature of –10°C to +45°C (in the
continuous measurement function up to +40°C)
Corrective measure: Wait until the measuring tool reaches the operating temperature
"ERROR" in the Display
"ERROR" indicator in the display
Cause: Addition/subtraction of measured values with different units of measurement
Corrective measure: Add/subtract only measured values with the same units of measure-
ment
Cause: Angle between laser beam and target is too sharp
Corrective measure: Increase the angle between the laser beam and target
Cause: Target surface is reflecting too strongly (e.g. mirror) or too weakly (e.g. black ma-
terial), or ambient light is too strong
Corrective measure: Use a laser target plate (accessory)
Cause: Laser beam output(19) or reception lens(18) is fogged up (e.g. due to rapid tem-
perature change)
Corrective measure: Rub the laser beam output(19) or the reception lens(18) dry with
a soft cloth
Cause: Calculated value is larger than 1999 999 or smaller than -999 999 m/m²/m³
Corrective measure: Split the calculation into intermediate steps
Calibration
"CAL" indicator and "ERROR" indicator in the display
Cause: The calibration of the grade measurement was not carried out in the correct order
or in the correct positions
Corrective measure: Repeat the calibration according to the instructions on the display
and in the operating manual
1 609 92A 7E1 | (14.12.2021) Bosch Power Tools
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