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Nidek Medical NT-530P User Manual

Nidek Medical NT-530P
254 pages
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NON CONTACT TONOMETER
NT-510/NT-530/NT-530P
SERVICE MANUAL
June 2013
Pages in total: 254
XNT5P*RDA002E

Table of Contents

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Nidek Medical NT-530P Specifications

General IconGeneral
BrandNidek Medical
ModelNT-530P
CategoryMedical Equipment
LanguageEnglish

Summary

2. SAFETY PRECAUTIONS

3. Cautions regarding power source and power cord

Details safety measures related to the power supply and cord to prevent hazards.

3. SPECIFICATIONS

3.2 Safety Features

Describes the built-in safety features designed for user protection during operation.

4. TROUBLESHOOTING

5. SUBTROUBLESHOOTING

5.1 Initial Screen is not Displayed

Guides troubleshooting steps for issues where the initial display does not appear.

5.2 Error Message Appears

Provides guidance for resolving problems indicated by specific error messages displayed by the device.

5.1.1 Checking power supply voltage

Details the procedure for checking the power supply voltage to diagnose screen display issues.

5.1.2 Backlight of TFT color LCD does not illuminate

Outlines steps to troubleshoot when the TFT LCD backlight fails to illuminate.

5.2.1 ERR001 (EEPROM error)

Provides troubleshooting steps for the EEPROM error, including data restoration.

5.2.2 ERR002 (Date and time setting error)

Guides on resolving date and time setting errors, typically by reconfiguring the settings.

5.2.3 ERR011 (Character time-out error [OUT])

Details troubleshooting for character time-out errors, involving cable and board checks.

5.2.4 ERR012 (Reception start time-out [OUT])

Provides steps for resolving reception start time-out errors, referencing ERR011.

5.2.5 ERR013 (Reception error [OUT])

Guides on troubleshooting reception errors, referencing the procedure for ERR011.

5.2.6 ERR014 (Reception code error [OUT])

Directs to ERR011 procedure for reception code errors.

5.2.7 ERR015 (Reply time-out [OUT])

Directs to ERR011 procedure for reply time-out errors.

5.2.8 ERR016 (DTR-DSR error [OUT])

Directs to ERR011 procedure for DTR-DSR errors.

5.2.9 ERR017 (Data error [OUT])

Directs to ERR011 procedure for data errors.

5.2.10 ERR018 (Command error [OUT])

Directs to ERR011 procedure for command errors.

5.2.11 NO DAT

Advises to perform measurement to confirm data display for "NO DAT" errors.

5.2.12 ERR031 (Up/down tracking error)

Directs to the procedure for joystick movement issues for tracking errors.

5.2.13 ERR032 (Right/left tracking error)

Guides on troubleshooting right/left tracking errors, involving motor, board, and sensor checks.

5.2.14 ERR033 (Forward/backward tracking error)

Details troubleshooting for forward/backward tracking errors, checking motor, board, and sensor.

5.2.15 ERR034 (Chinrest up/down movement error)

Refers to the procedure for chinrest movement issues for error 034.

5.2.16 NO PAPER (No printer paper error)

Provides steps to resolve "NO PAPER" errors, checking paper loading and printer components.

5.2.17 ERR044 (Printer hardware error)

Guides on troubleshooting printer hardware errors, suggesting printer or driver board replacement.

5.2.18 ERR201 (Piston error)

Outlines steps to resolve piston errors, checking solenoid, ASSY, sensor, and board.

5.2.19 ERR202 (Charging error)

Details troubleshooting for charging errors, involving SL cable, driver board, and solenoid board checks.

5.3 Function Buttons are not Operational

5.4 Measuring Unit does not Move Smoothly along Base Unit

5.5 Rotating Joystick does not Move Measuring Unit Up or Down

5.6 Chinrest does not Move

5.7 Measurement cannot be Performed Properly

5.7.1 Pachymetry cannot be performed properly

Guides on troubleshooting issues preventing pachymetry measurements.

5.7.2 Tonometry cannot be performed properly

Guides on troubleshooting issues preventing tonometry measurements.

5.7.1.1 Blue light does not illuminate during pachymetry

Details steps to resolve issues where the blue light fails during pachymetry.

5.7.1.2 Pachymetry image is not displayed

Outlines troubleshooting for when the pachymetry image is not displayed on the screen.

5.7.2.1 Observed image is not displayed on LCD

Guides on resolving issues where the observation image is not shown on the LCD.

5.7.2.2 FIX LED does not illuminate

Details troubleshooting for the FIX LED not illuminating, checking cable and board.

5.7.2.3 AL2 LED does not illuminate

Details troubleshooting for AL2 LED illumination issues, checking cable and ASSY.

5.7.2.4 AL1 LED does not illuminate

Guides on troubleshooting AL1 LED illumination problems, checking LED and ASSY.

5.7.2.5 NT ILL does not illuminate

Outlines steps to resolve NT ILL illumination issues, checking component and driver board.

5.7.2.6 Measurement does not start

Provides troubleshooting steps when the measurement does not start, checking joystick, sensors, and boards.

5.7.2.7 Auto tracking function does not automatically perform alignment

Guides on troubleshooting auto-tracking alignment failures, checking error messages, covers, LEDs, sensors, and motors.

5.7.2.7.1 Automatic alignment in up/down direction is not performed

Details troubleshooting for up/down auto-alignment, checking error, cover, LEDs, U/D sensor, and motor.

5.7.2.7.2 Automatic alignment in right/left direction is not performed

Outlines troubleshooting for right/left auto-alignment, checking error, cover, LEDs, and R/L motor.

5.7.2.7.3 Automatic alignment in forward/backward direction is not performed

Guides on troubleshooting forward/backward auto-alignment, checking error, cover, LEDs, and F/B motor.

5.7.2.8 Measurement does not start even when alignment and focus are achieved

Provides steps to troubleshoot measurement start issues after alignment and focus.

5.7.2.9 Operating noise of piston is abnormal

Details troubleshooting for abnormal piston noise, checking encoder, pressure, and driver board.

5.7.2.10 “OPEN THE EYE WIDER” appears

Guides on resolving "OPEN THE EYE WIDER" message, checking NT ILL and eyelid detection.

5.7.2.11 “NO SEARCH” appears

Outlines troubleshooting for "NO SEARCH" message, checking AL1 LED and cornea reflection.

5.7.2.12 “LOW CONF” appears

Provides steps to resolve "LOW CONF" message, checking applanation area and adjusting APL GAIN.

5.7.2.13 Measurement data is abnormal

Guides on resolving abnormal measurement data by comparing with a contact tonometer and adjusting constants.

5.8 Communication cannot be Performed Properly

5.9 Printing cannot be Performed

6 REMOVAL PROCEDURE

7 REPLACEMENT PROCEDURE

7.2 Boards

7.2.1 Main board

Provides steps for replacing the main board, including model variations.

7.2.2 Driver board (18536-BA03)

Details the procedure for replacing the driver board, including parameter settings.

7.2.3 Base board (18536-BA05)

Provides steps for replacing the base board.

7.2.4 LCD board (18536-BA06)

Details the procedure for replacing the LCD board.

7.2.5 SLPOS encoder board (18536-BA19)

Provides steps for replacing the SLPOS encoder board.

7.2.6 Solenoid board (18536-BA20)

Details the procedure for replacing the solenoid board.

7.2.7 NT board (18536-BA21)

Provides steps for replacing the NT board, including adjustment.

7.2.8 Pressure sensor board (18536-BA22)

Details the procedure for replacing the pressure sensor board.

7.2.9 Front/RL sensor board (18536-BA25)

Provides steps for replacing the front/RL sensor board.

7.2.10 Pachy board (18538-BA26)

Details the procedure for replacing the pachy board.

7.2.11 DC-AC inverter (18535-E010)

Provides steps for replacing the DC-AC inverter.

7.2.12 Left panel SW board (30601-BA07)

Details the procedure for replacing the left panel SW board.

7.2.13 U/D SW board (30601-BA09)

Provides steps for replacing the U/D SW board.

7.2.14 Right panel SW board (30601-BA15)

Details the procedure for replacing the right panel SW board.

7.2.15 Printer interface board (80606-00019)

Provides steps for replacing the printer interface board.

7.3 Electrical Parts

8 ADJUSTMENT

8.3 Tonometer Adjustment

8.3.1 Camera focus

Details the procedure for adjusting the camera focus using jigs and the alignment spot.

8.3.2 Optical reticle position

Guides on adjusting the optical reticle position for precise alignment.

8.3.3 NT camera position

Details adjusting the NT camera position for proper alignment.

8.3.8 Solenoid brake

Guides on adjusting the solenoid brake for proper operation.

8.3.9 Puffed air pressure

Details adjusting puffed air pressure and its parameters.

8.3.11 Applanation detector

Covers the adjustment of the applanation detector using model eyes.

8.3.11.1 Silicon model eye

Provides steps for adjusting the applanation detector using a silicon model eye.

8.3.13 Model eye measurements

Details performing measurements using model eyes for calibration.

8.3.13.1 Silicon model eye

Provides steps for performing model eye measurements using a silicon eye.

8.3.13.2 Electric model eye

Details performing model eye measurements using an electric model eye.

8.3.14 A/B constant

Guides on setting A and B constants for measurement accuracy.

8.4 Pachymeter Adjustment

8.4.4 Pachy inspection

8.5 Others

8.5.2 AUTO TRC ADJUST

Details the procedure for adjusting the auto tracking function.

8.5.3 TRC LIMIT ADJUST

Guides on adjusting the tracking limits for the measuring unit.

8.6 Settings After Replacement of Measuring Unit

8.7 Software Upgrade

8.8 EEPROM Backup

8.9 Restoring EEPROM Data

8.10 BACKUP / RESTORE

8.10.1 BACKUP

Details the process of backing up parameter settings to the main board.

8.10.2 RESTORE

Guides on restoring parameter settings from the main board to the driver board.

9 SUPPLEMENT

9.5 Error Message List

A comprehensive list of error codes, their display, contents, and details.

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