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Essilor AKR 750 - User Manual

Essilor AKR 750
66 pages
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Auto kerato refractometer
Maintenance Manual
V1 09/2016
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Essilor AKR 750 Specifications

General IconGeneral
CategoryMedical Equipment
BrandEssilor
ModelAKR 750
FunctionEdging lenses
Operation ModeAutomatic
Bevel TypesMultiple bevel types available

Summary

6 Wiring Diagrams

6-1 Overall View

Overall view of the device's wiring with labeled components.

6-2 LCD ASSY Wiring

Details wiring connections for the LCD assembly.

6-3 Chin Rest ASSY Wiring

Illustrates wiring for the chin rest assembly.

6-4 Base Unit Wiring

Depicts wiring diagram of the device's base unit.

7 Troubleshooting Guide

7-1 Board Descriptions

Overview of main control boards and their functions.

7-2 RETRY Error Troubleshooting

Steps to resolve the 'RETRY' error message.

7-3 EEPROM Fault Troubleshooting

Guidance for resolving the 'EEPROM fault' error.

7-4 Motor Fault Troubleshooting

Steps to troubleshoot the 'Motor fault' error.

10 Maintenance Mode Operations

10-1 Entering Maintenance Mode

Instructions on accessing and initiating the maintenance mode.

10-2 Maintenance Mode Functions

Details various functions available within maintenance mode.

7 Calibration Procedures

7.1 General Calibration

Outlines the basic procedure for device calibration.

7.2 REF Calibration Steps

Specific steps for performing REF calibration.

7.3 KRT Calibration Steps

Detailed procedure for KRT calibration.

7.4 Calibration Data Confirmation

How to verify and confirm calibration results.

11 Freeze Image Evaluation

11-1 Normal Image Display

Description of the expected image in normal operation.

11-2 No Measurement Image Issues

Steps to resolve issues when no measurement image appears.

11-3 Unusable Image Scenarios

Explains cases of unusable measurement images.

12 Unit Replacement Procedures

12-1 Main Unit Cover & 3-Axis Board Replacement

Procedure for replacing main unit covers and the 3-axis control board.

12-2 Optical Control Board Replacement

Steps to replace the optical control board ASSY.

12-3 Optical Unit & CMOS Harness Replacement

Procedure for replacing the optical unit ASSY and CMOS harness.

12-4 LCD & Interface Component Replacement

Steps to replace LCD related parts and boards.

13 Software Update Procedure

14 Parking Mode

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