Operation Manual

43
19. Troubleshooting
Code Cause Solution
101 Batteries weak Replace the batteries.
104 Calculation error Repeat the process.
152
Operating temperature
exceeded
Observe the correct operating
temperature.
153
Operating temperature
beneath the limit
154
Measurement range
exceeded
Observe the correct
measurement range.
155
Reected signal too
weak
Choose another measurement
surface.
156
Reected signal too
strong
157
Measurement error or
surface too bright
Darken the measurement
surface or choose another
surface.
160 Vibration too heavy Hold the device still.
If the symbol (11) appears on the left side of the display, there is
a hardware error. Repeatedly turn the device on and off in such case. If
the symbol still appears, the device is defective.