Product Manual

24
Error
codes
Description Solution
21
Temporary EEprom problem Press the E button to deletet the error message
120
HI alert - Unit Height changed Check laser beam elevation
130 Mechanical Limit during Grade Match / PlaneLok Check if existing slope is above +/-9%
140 Laser beam blocked Make sure there are no obstacles between the
transmitter and the HL760
141 Time Out - Alignment could not be completed in
the allowed time
Check radio operating range/ connection; check stable
laser setup
150 No receiver – HL760 Receiver not available for
single axis automatic function
Make sure the HL760 is on and paired
152 No receiver - The laser searched for the receiver
but could not find it
Check the operating range for auto function and restart
the auto alignment
153 Lost Receiver - The laser searched and found the
receiver but then lost it
Check the operating range for auto function and restart
the auto alignment
155
More than two paired receivers are available
during automatic alignment function.
Make sure only two receivers are turned on.
160 X or Y level sensor defect Contact service center
Troubleshooting
Any error message can be deleted with a short press of button E. The table shows the related description
and possible solutions.
The next service center should be contacted if a different error message as shown at the table will be
displayed.