Nidek Medical ARK-530A User Manual

AUTO REFRACTOMETER, AUTO REF/KERATOMETER
AR-310A/AR-330A/AR-360A
ARK-510A/ARK-530A/ARK-560A
SERVICE MANUAL
September 2014
Pages in total: 218
XAR17ARDA001G/E

Nidek Medical ARK-530A Specifications

General

Type	Auto Ref-Keratometer
Minimum Pupil Diameter	2.0mm
Axis	1° to 180°
Printer	Built-in thermal printer
Power Supply	AC 100-240V, 50/60Hz

Summary

2. SAFETY PRECAUTIONS

4. TROUBLESHOOTING

5. SUBTROUBLESHOOTING

5.1 Initial Screen is not Displayed

Troubleshooting steps when the initial screen is not displayed.

5.2 Error Message Appears

Steps to resolve issues when error messages appear on the device.

5.2.1 ERR001 (EEPROM error)

5.2.22 ERR032 (Left-to-right tracking error)

5.2.45 ERR756 (Log-on error)

5.3 Function Buttons are not Operational

Troubleshooting steps when function buttons are unresponsive.

5.4 Measuring Unit does not Move Smoothly along Base Unit

Troubleshooting steps for smooth movement issues of the measuring unit.

5.5 Rotating Joystick does not Move Measuring Unit Up or Down

Troubleshooting for joystick control issues with the measuring unit.

5.6 Chinrest does not Move Up or Down

Troubleshooting steps for issues with chinrest vertical movement.

5.7 Measurement cannot be Performed Properly

Comprehensive troubleshooting for measurement failures.

5.7.1 Observed image is not displayed on LCD

Steps to fix issues with the observed image not appearing on the LCD.

5.7.5 Alignment is not automatically performed by 3D auto tracking function

Troubleshooting for 3D auto tracking alignment failures.

5.7.5.1 Alignment is not performed in side-to-side direction

5.7.8 AR measurement data is not normal

Troubleshooting for abnormal AR measurement data.

5.7.9 PD measurement data is not normal

Troubleshooting for abnormal PD measurement data.

5.7.10 KM measurement data is not normal

Troubleshooting for abnormal KM measurement data.

5.8 Communication cannot be Performed Properly

Troubleshooting for communication failures.

5.9 Printing cannot be Performed

Troubleshooting when printing functions fail.

6. REMOVAL PROCEDURE

7. REPLACEMENT PROCEDURE

8. ADJUSTMENT

8.1 Entering Adjustment Mode

8.1.5 Parameter settings

8.3 CCD Camera Adjustment

8.4 Phototransmitter Adjustment

8.5 Chart Adjustment

8.6 ALIGNMENT CALIBRATION

Procedure for performing alignment calibration.

8.7 AR CALIBRATION

Procedure for calibrating AR measurements.

8.7.1 AR CALIBRATION

8.7.2 AR AXIS

8.8 KM CALIBRATION

Procedure for calibrating KM (Corneal Curvature) measurements.

8.8.1 KM CALIB

8.9 PD CALIBRATION

Procedure for calibrating PD (Pupillary Distance) measurements.

8.9.1 CENTER POSITION

8.11 AUTO TRC ADJUST

8.12 Software Upgrade

8.16 Setting Network

9.4 Error Messages

9.5 Parameter List