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Leica GNSS ERR-003 Age of Corrections Error — Fix Guide
Leica GNSS ERR-003 Age of Corrections on GS18, GS15: RTK corrections are delayed or stale. Fix the radio or cellular link to restore fresh corrections.
Leica GNSS ERR-004 Bluetooth Lost — What It Means & How to Fix It
Leica GNSS ERR-004 Bluetooth Lost on GS18 and other Leica GNSS rovers: Bluetooth connection to field controller dropped. Step-by-step reconnection guide.
Leica GNSS ERR-001 No Satellites Error — Fix Guide
Leica GNSS ERR-001 No Satellites on GS18, GS10, GS15: receiver not tracking any GNSS satellites. Step-by-step fix from an authorized Leica dealer.
Leica GNSS ERR-002 RTK Float Error — What It Means & How to Fix It
Leica GNSS ERR-002 RTK Float on GS18, GS15: receiver has corrections but cannot resolve fixed RTK solution. Step-by-step fix from an authorized Leica dealer.
Leica E01 Error Fix Guide
Leica E01: RTK solution degraded — the receiver cannot maintain a fixed RTK position solution.
Leica E03 Error Fix Guide
Leica E03: Tilt sensor fault — the GS18's IMU tilt compensation system has detected an error.
Leica E04 Error Fix Guide
Leica E04: Antenna connection error — the external GNSS antenna connection has a fault.
Leica MC1 IMU Sensor Fault Error — Fix Guide
Leica MC1 IMU fault error: the inertial measurement unit sensor has failed or is out of range, causing machine heading or orientation errors. Expert fix guide from Express Tools.
Leica F01 Error — Fix Guide
Leica F01: Leveling out of range — the Rugby laser is tilted beyond its automatic self-leveling limit.
Leica F02 Error — Fix Guide
Leica F02: Motor fault — the Leica Rugby's internal leveling or rotation motor has detected a failure.
Leica F05 Error — Fix Guide
Leica F05: Laser diode error — the Rugby laser diode has detected a fault condition.
Leica Rugby Temperature Error — High / Low Temperature Warning Fix Guide
Leica Rugby 610, 620, 640, 810, 820, 840 temperature error: instrument outside -10°C to +50°C operating range. Allow to warm or cool before resuming operation.
Leica Total Station ATR Horizontal Tracking Error — Fix Guide
Leica ATR horizontal tracking error on TS06, TS09, TS15, TS16, MS50: ATR cannot lock or track prism horizontally. Step-by-step fix guide from Express Tools.
Leica Total Station Tilting Axis Error (Axle Error) — Fix Guide
Leica total station tilting axis (trunnion axis) error on TS06, TS09, TS15, TS16: telescope axis not perpendicular to vertical axis. Step-by-step fix guide.
Leica E01 Error Fix Guide
Leica E01: ATR motor fault — the Automatic Target Recognition motor has failed or detected a drive error.
Leica E03 Error Fix Guide
Leica E03: EDM fault — the distance measurement system has detected an internal error.
Leica E05 Error Fix Guide
Leica E05: Memory error — the instrument's internal memory has detected a read/write failure.
Leica Total Station Laser Pointer / Guide Light Malfunction — Fix Guide
Leica total station laser pointer or EGL (Electronic Guide Light) malfunction on TS06, TS09, TS15, TS16, TM50: pointer not emitting or EGL not working. Step-by-step fix guide.

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