Troubleshooting
Any error message can be deleted with a short press of button 4 (OK). 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.
Error codes | Description | Solution |
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21 | Temporary EEprom problem | Repeat pairing and |
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| customer settings |
120 | HI alert - Unit Heigt changed | Check laser beam elevation after |
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| deleting the HI alert |
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130 | Mechanical Limit during Axis | |
| Alignment, Grade Match or Spot | alignment point; check if existing |
| Match | slope is above |
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131 | Rake Angle Limit | |
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| alignment point |
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140 | Laser beam blocked | Make sure there are no |
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| obstacles between the |
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| transmitter and the HL750 or |
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| SF601 |
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141 | Time Out - Function could not be | Check radio operating range/ |
| completed in the allowed time | connection; check stable laser |
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| setup |
150 | No receiver - Receiver not | Make sure the receiver is on and |
| available for single axis | paired |
| automatic function |
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151 | No receivers - Both receivers | Make sure both receivers are on |
| are not available for automatic | and paired |
| alignment function |
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152 | No receiver - The laser searched | Check the operating range for |
| for the receiver but could not | auto function and restart the auto |
| find it | alignment |
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153 | Lost Receiver - The laser | Check the operating range for |
| searched and found the receiver | auto function and restart the auto |
| but then lost it | alignment |
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160 | X,Y or Z level sensor defect | Contact service center |
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19
