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18 ERROR DISPLAYS
18 ERROR DISPLAYS
l If error still persist after attempting to clear them, contact your local Topcon dealer or Topcon head
office.
Error code Description Countermeasures
Backup
battery
empty
Displayed when built in battery for memory
back up is empty.
Contact your dealer or Topcon.
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.
H angle
measuring
error
Displayed when the instrument rotated too
fast or any abnormality occurs in angle
measuring system .
The instrument will return to previous mode
automatically.
V angle
measuring
error
Displayed when the telescope rotated too fast
or any abnormality occurs in angle measuring
system.
The instrument will return to previous mode
automatically.
E31
Displayed when the unit of the angle at the
recall mode is different from the unit stored in
setting mode.
Make the unit in same unit system.
E35
Displayed when REM measurement carried
out to the range from zenith or nadir ± 6° .
Operate in the range out of ± 6° from the
zenith or nadir.
E36
Displayed when the N.E coordinates are set
same as the instrument coordinate in setting
direction angle or lay out mode.
Set except the instrument coordinate value.
E60’s
Any abnormality occurs with EDM (distance
measuring system).
Repair is required.
E71
Displayed when Vertical angle 0 position is
set with incorrect procedure.
Confirm the procedure and readjust.
E72
Displayed when Vertical angle -position is
adjusted in wrong position.
Confirm the procedure and readjust
E73
The instrument was not leveled when Vertical
angle 0-position is adjusted.
Level the instrument then carry the
adjustment work.
E81
E82
Mainly at the time data transmission between
GTS-820 series and external instrument.
Press [F1](EXIT) key, and confirm the
connection cables are correct.
Other
E80‘s
Data transmission error between internal
P. C.B.‘s.
Restart and confirm the operation procedure
is correct.
E90‘s Abnormality in internal memory system. Repair is required.
E300‘s Abnormality in tracking system. Repair is required.
E600‘s Abnormality in angle measuring system.
If this error code continues to display, repair is
required.
E700‘s Abnormality in angle measuring system.
If this error code continues to display, repair is
required.
E800‘s In the self checking mode, vibration is too big. Get rid of the Vibration