Product Manual

27
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/HL760U
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/HL760U Receiver not
available for single axis automatic function
Make sure the
HL760/HL760U 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 HL760/HL760U 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.