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Sokkia Total Station C10 Error (EDM Fault) — Fix Guide
Sokkia C10 error: EDM fault — the electronic distance measuring unit has failed or cannot measure. Expert fix guide from Express Tools.
Sokkia Total Station C20 Error (Tilt Sensor Fault) — Fix Guide
Sokkia C20 error: tilt sensor fault — the instrument's tilt compensation system has failed or is out of range. Expert fix guide from Express Tools.
Sokkia Total Station C30 Error (Memory Fault) — Fix Guide
Sokkia C30 error: memory fault — the instrument's internal memory has failed, is full, or cannot read/write data. Expert fix guide from Express Tools.
Sokkia Total Station Data Card / Memory Card Error — Fix Guide
Sokkia total station card error on SET, CX, iX series: CompactFlash or SD card not recognized, write-protected, or incompatible format. Step-by-step fix guide.
Sokkia E001 Error — Fix Guide
Sokkia E001: ATR fault — the Automatic Target Recognition system has detected a tracking error.
Sokkia E003 Error — Fix Guide
Sokkia E003: EDM failure — the electronic distance measurement system has detected a fault.
Sokkia E004 Error — Fix Guide
Sokkia E004: Compensator out of range — the instrument is tilted beyond the automatic compensator's operating range.
Sokkia E005 Error — Fix Guide
Sokkia E005: Motor drive fault — the motorized drive system has detected a failure.
Sokkia Total Station Horizontal Collimation Error (C-Error) — Fix Guide
Sokkia horizontal collimation error (C-error) on CX-50, CX-60, SET series: line of sight not perpendicular to horizontal axis. Step-by-step fix guide.
Sokkia Total Station Vertical Index Error (i-Angle) — Fix Guide
Sokkia vertical index error (i-angle) on CX-50, CX-60, SET series: vertical circle zero misaligned with true zenith. Step-by-step calibration fix guide.

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Gradelog is the field-execution platform built for grading and earthwork crews. Log grade shots, track cut/fill, document phases with photos, and generate as-built reports — from the cab to the office.
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