21. ERROR DISPLAYS
21-2
E23
Displayed when adjusting automatic
tracking for optical axis , if the input
value exceeds the input range.
Adjust properly once again.
E24~E29
Displayed when setting the clock, if the
input value is not valid.
Input proper value again.
E32
Displayed when the coordinate value of
points A and B which set by resection
method or measured data is same.
Execute input of known point and proper
sighting again.
E36~E38
Displayed when the input value of each
parameter exceeds its range in teach
mode.
Input proper input value.
E47
Abnormality in OS of the instrument. Power switch OFF, then ON again.
E50's
Abnormality in internal communication
system.
Instrument in need of attention from
authorized repair facility.
E60's
Abnormality in distance measuring
system.
Instrument in need of attention from
authorized repair facility.
E71
Displayed when vertical angle 0 position
is set with incorrect procedure.
After confirmation procedure, readjust
vertical angel 0-set.
E72
Displayed when error of Vertical angle
zero set is remarkable.
Instrument in need of attention by
authorized repair facility.
E73, E74
In adjusting vertical angle zero set if the
instrument is not leveled or something
has failed with tilt sensors.
Level the instrument and readjust .
E80's
Abnormality in internal communication
system.
Instrument in need of attention by
authorized repair facility.
E90's
Abnormality in internal memory system. When the error message [E98] is
displayed, back up battery is too low to
back up the memory. Ask your dealer or
head office to replace the back up
battery.
If errors still persist after attempting to clear them, contact your local TOPCON
dealer or TOPCON Head office.
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