3. List of Common Essilor Kappa Error Codes

| Error Code | Description | Likely Cause(s) | Corrective Action | |------------|-------------|----------------|--------------------| | E-01 | Axis homing failed | Rotary encoder failure, belt slip, or mechanical blockage on the axis rotation motor. | Manually rotate the chuck; check encoder cable; clean optical sensor. | | E-03 | Grinding wheel motor overload | Excessive feed rate, worn diamond wheel, or seized motor bearings. | Reduce edging speed; replace grinding wheel; check motor current draw. | | E-07 | Block sensor timeout | No lens detected after 10 seconds. | Clean block sensor lens; adjust sensor position; verify lens blocker. | | E-12 | Tracing arm positioning fault | Tracing stylus not contacting lens/template, or potentiometer failure. | Calibrate tracing arm; replace potentiometer; check spring tension. | | E-14 | Water pump not running | Pump failure, blocked filter, or loose relay connection. | Clean water intake filter; manually test pump with external power. | | E-18 | Communication error (PC ↔ edger) | Loose RS-232 or USB cable, incorrect baud rate, or corrupted software. | Check cable continuity; reinstall communication driver; reset baud rate to 9600. | | E-22 | Safety cover open during cycle | Interlock switch misaligned or damaged. | Adjust door magnet/switch; bypass only for diagnostic (not production). | | E-27 | Groove depth out of range | Incorrect grooving wheel diameter setting, or mechanical stop misadjustment. | Measure wheel diameter with caliper; update parameter in setup menu. | | E-33 | Chuck pressure low | Pneumatic leak, worn chuck seal, or pressure regulator set too low. | Test pressure at cylinder; replace chuck seal kit; adjust regulator to 6 bar. | | E-41 | Shape file not found | Missing or corrupted .SHP file from tracer/software. | Regenerate shape in trace software; reload from backup. | | E-50 | Servo driver fault (X or Y axis) | Overcurrent, overheating, or encoder mismatch. | Power off 5 min; check motor wiring; replace servo drive if fault repeats. | | E-88 | Emergency stop activated | Physical E-stop pressed or stuck. | Twist E-stop clockwise to release; check internal E-stop relay. | essilor kappa error codes

Access the Menu: Hold the '9' key and press '5' (for edgers) or press simultaneously 'Clear' and '1' (for tracers). Run Tests (T1–T7): T1: Jaws/Clamping. T2: Feeler Reproducer. T3: Wheel/Carriage Rotation. T7: Grooving/Drilling functionality. Proactive Maintenance Tips Error Code 05: Device calibration error 3

2. Common Error Code Categories & Examples

A. Axis Movement Errors (e.g., "Axis Error" or "Driver Error")

These are among the most common Kappa errors. They occur when the CPU commands a motor to move, but the expected movement does not happen or a sensor is not triggered in time. Cause: A hardware component has failed or malfunctioned

Sensor Check: Open the machine cover (when powered off) and ensure sensor flags are in their "home" positions and cable connections are tight .

• Cause: A hardware component has failed or malfunctioned.
• Solution: Contact Essilor support or a authorized service provider for assistance.

Power Cycle: It sounds basic, but many "software" or "communication" errors (like those in the Opt 6000 series) can be cleared with a simple restart.