Topcon TP-L5GV - Error Displays; Common Error Codes and Solutions

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10. ERROR DISPLAYS
If an error is displayed, follow the procedures shown below.
• If error code remains after trying countermeasures above, please contact your Topcon dealer.
Error Code Contents Countermeasure
E-02
E-03
Abnormal operation of internal measuring
system.
Switch OFF the power, then ON
again. Excessive vibration around
the laser may cause this error.
Eliminate vibration.
E-04
The angle is not measured properly.
Contact your local dealer.
E-05
The laser's positioning is not adjusted
properly.
Switch OFF the power, then ON
again.
E-72
Indicates excessive tilt of the laser
instrument during calibration checking or
adjusting.
Switch OFF the power, then ON
again.
Set the instrument level then
repeat checking and adjusting
calibration procedure.
E-99
Abnormal operation of internal memory
system detected.
Switch OFF the power, then ON
again.