Spectra Precision HV302 - Trouble shooting; Error Code Solutions

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 HL760 receivers are turned on.
160
X or Y level
sensor defect
Contact service center
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.
Trouble shooting