Topcon AP-L1A - 21 Error Displays

21. ERROR DISPLAYS
21-1
21. ERROR DISPLAYS
Error code Description Countermeasures
Tilt Over
Displayed when instrument is out of level
beyond compensation range.
Level the instrument properly
W/C
OVER
Displayed when measurement carried
out within 9 from zenith or nadir at the
Earth curvature and refraction correction
mode is ON.
Set correction for refraction and earth
curvature mode OFF or measure out of
9 from the zenith or Nadir.
E01
Displayed when the instrument rotated
abnormally.
Pressing [F1](0set) key, returns to
measuring mode.
E02
Displayed when the telescope rotated
abnormally.
Press [F1](0set) key, and after display of
"V-0 set", set vertical angle zero by
rotating telescope.
E03
Displayed when a internal problem exists
with the angle measuring system.
Switch OFF the power , then ON again.
Sometimes error occurs when vibrates,
clear the vibration.
E11
Displayed when the input value for
instrument constant value exceeds the
input range.
Input properly.
E14
Displayed when the input value for prism
constant value exceeds the input range.
Input properly.
E15
Displayed when the input value for
atmospheric correction value exceeds
the input range.
Input properly.
E18
Displayed when the area set is not set
yet.
Set the area set.
E19
While setting instrument coordinate by
resection method, the discrepancy of H
or V distance exceeds its range.
Input proper value of known point
coordinate and collimate again.
E20
Displayed when invalid value is input for
sighting direction of rotating command.
Input proper value again.
E21
Displayed when search range exceeds
the input range.
Input proper value again.
E22
Displayed when input value for waiting
time exceeds the input range.
Input proper value again.