Essilor AKR 550 Скачать руководство пользователя страница 17 | Manualshive

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7-5 Error message ‘Printer Overheated’ appears

Main causes when error message ‘Printer Overheated’ appears:

・

Printer head is hot

・

Failure of printer unit

・

Failure of printer control board

‘Printer Overheated’ is displayed.

Replace the thermal printer.

Replace the printer control board.

OK

Is ‘Printer Overheated’ still displayed?

NO

YES

Wait until the printer head is cooled down.

Is ‘Printer Overheated’ still displayed?

YES

NO

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Содержание AKR 550

Страница 1: ...Auto kerato refractometer Maintenance Manual V1 09 2016 ...

Страница 2: ...ion Diagram 6 6 Wiring Diagram 8 7 Troubleshooting 11 8 Cleaning of Eye Lens Measurement Window Filter and Model Eye ASSY 33 9 Functional Check 34 10 Maintenance Mode 35 11 Evaluation of Freeze Image 46 12 Replacement Procedure of Each Unit 48 13 Rewriting procedures of the software of AKR550 56 14 Packing mode 60 ...

Страница 3: ...ing plate 3 Printer cover 14 Chinrest 4 Base 15 Body cover 5 Rubber leg 16 Face panel 6 Main unit slide lock knob 17 Headrest 7 Measurement start switch 18 Head cover 8 Joystick 19 Printer cover button 9 Slide base cover 20 Headrest rubber 10 Power switch 21 Chinrest knob 11 External interface connector ...

Страница 4: ... Slide base cover 3 Optical cover 14 Base 4 LCD monitor 15 PD meter 5 Touch sensor board 16 Vertical unit 6 LCD relay board 17 XZ unit 7 Printer 18 Power unit 8 Printer control board 19 Bottom plate 9 Measurement window ring 20 Rubber leg 10 Main unit BKT 21 Chinrest 11 Toothed belt 22 Headrest ...

Страница 5: ...ges are started based on the data Then the actual measurement is started and the refractive power of the eye to be measured is calculated and displayed 2 Measurement of corneal curvature radius A ring shaped measurement pattern is projected onto a cornea of an eye to be measured The pattern projected on the cornea varies its size depending on the corneal curvature radius The projected light is led...

Страница 6: ...EEPROM Printer Printer Control Circuit Unit CMOS Camera CMOS Camera Ranging Sensor Kerato LED Target LED Ref LED Ranging LED Fuse Power Switch Power Inlet Switching Supply Basic Insulation Reinforced Insulation Between Primary and Secondary Metallic Portion with Protective Earth Chassis Reinforced Insulation LCD Relay Circuit Unit Headrest Chinrest DC 12V SELV DC 5V SELV AC100 240V 50 60Hz ...

Страница 7: ...6 5 Connection Diagram ...

Страница 8: ...7 ...

Страница 9: ...8 6 Wiring Diagram 6 1 Front View 6 2 Side View Printer Control Board Power Switch Optical Unit ASSY Printer Joystick ...

Страница 10: ...9 6 3 Rear View 6 4 Bottom View PD ASSY Switching Power Supply SWPS Output Harness SWPS Input Harness Peripheral Relay Harness Measurement Window Ring Face Cover ...

Страница 11: ...10 6 5 Plane View 6 6 Back Side of LCD LCD Relay Board Operation Switch Board LCD Backlight Harness LCD Signal Harness Operation Switch Harness Main Control Board LCD Relay Harness ...

Страница 12: ...stem data err appears 7 10 Nothing is displayed when turning on 7 11 No responses when pressing measurement start switch 7 12 No responses when pressing operation switches 7 13 Measurement result is not printed out printout is not normal 7 14 Ref measurement LED does not light up 7 15 Cannot see target 7 16 Infrared illumination LED does not light up 7 17 Light source for Kerato illumination does ...

Страница 13: ...peration switch board Detection and control of switch operation 3 Printer control board Printing control of paper feeding 4 LCD relay board Power generation for LCD and operation switch board 5 CMOS camera board Taking images 6 EEPROM board Retention of optical setting information and system setting information 7 Motor sensor board Detection of limit position of each motor 8 Ranging LED board Ligh...

Страница 14: ...tical unit Can a model eye be measured NO YES Check the condition of subject s eye Evaluate the Freeze Image Refer to 11 RETRY is displayed Realign correctly and take measurements again Refer to 6 2 Alignment of operation manual Measurement cannot be taken in case of disorder such as cataracts etc If the pupil is smaller than reticle mark measurements might not be taken Darken the surround and try...

Страница 15: ...lure of control board Failure of EEPROM board YES EEPROM fault is displayed OK Replace the EEPROM board Is EEPROM fault still displayed Is EEPROM fault still displayed Replace the control board Is conduction of EEPROM harness normal YES YES Perform Reset of setting of the maintenance mode Replace the EEPROM harness NO NO NO ...

Страница 16: ...e of optical unit Is Focus Target Motor fault still displayed Target Focus Motor fault is displayed OK Replace the optical unit ASSY Replace the control board Replace the optical unit ASSY and control board Replace the harness connected to CN703 with the one connected to CN704 Are both Target Motor fault and Focus Motor fault displayed YES YES NO NO ...

Страница 17: ... Printer head is hot Failure of printer unit Failure of printer control board Printer Overheated is displayed Replace the thermal printer Replace the printer control board OK Is Printer Overheated still displayed NO YES Wait until the printer head is cooled down Is Printer Overheated still displayed YES NO ...

Страница 18: ...d appears Printer cover is opened Failure of printer unit Failure of printer control board Is the printer cover set correctly NO YES Set the cover correctly Printer cover opened is displayed Is Printer cover opened still displayed Replace the printer control board OK YES NO Replace the thermal printer ...

Страница 19: ...nter control board Paper empty is displayed Is Paper empty still displayed Are printer papers set properly YES NO Is dust or dirt attached on the sensor unit of printer NO YES Remove the dust or dirt Are there any papers in the printer Set the papers Set the printer papers properly Replace the printer control board NO NO YES OK YES Replace the thermal printer ...

Страница 20: ...isconnection of printer harness Failure of printer control board Failure of control board OK Replace the control board Sub system time out is displayed Is conduction of the printer harness normal Replace the printer harness Replace the printer control board NO YES NO YES Is Sub system time out still displayed ...

Страница 21: ...Disconnection of printer harness Failure of printer control board Failure of control board OK Replace the control board Sub system data err is displayed Is conduction of the printer harness normal Replace the printer harness Replace the printer control board NO YES NO YES Is Sub system data err still displayed ...

Страница 22: ...ol board Is the LED next to operation switch on when turning on the power NO YES No power output Refer to 7 20 Nothing is displayed on the screen Replace the control board YES NO Replace the LCD relay board OK Is the display of screen normal YES NO Replace the harness Replace the LCD unit Is the backlight of LCD on Is the display of screen normal NO YES NO YES Is conduction of the harness connecte...

Страница 23: ...t start switch Failure of measurement start switch Failure of control board Replace the control board Replace the measurement start switch No response when pressing the measurement start switch OK Is conduction between Pin 7 and Pin 8 of CN 403 of the control board normal when pressing the measurement start switch NO YES ...

Страница 24: ...d or control board No response when pressing the operation switches Replace the control board OK NO YES YES Is the power voltage between TP301 and TP302 of the LCD relay board 3 3V NO Is the power voltage between Pin3 and Pin8 of CN306 of the LCD relay board changed from 3 3V to 0V when pressing the leftmost operation switch Replace the LCD cover unit Do you wear gloves YES NO Replace the LCD rela...

Страница 25: ...d out printout is not normal Printer setting is OFF Failure of printer Failure of printer control board Failure of control board YES NO YES OK No print out printout is not normal Are the printer papers set properly NO YES NO YES YES Follow the directions of error message Set the printer setting as ON Set the printer papers properly Replace the printer control board Change the thermal printer Repla...

Страница 26: ...ED does not light up Failure of control board Failure of optical unit NO Ref LED does not light up OK NO Are the optical unit and control board connected correctly Connect the harness correctly Replace the optical unit ASSY Change the control board YES YES Does the ref LED light up ...

Страница 27: ...ol board Failure of optical unit You cannot see the target NO OK Can you see the target NO Are the optical unit and control board connected correctly Connect the harness correctly Replace the optical unit ASSY Replace the control board YES YES Set the power saving mode as OFF NO YES Is the power saving mode ON ...

Страница 28: ...ight up Failure of control board Failure of optical unit NO Infrared illumination LED does not light up OK Does the infrared illumination LED light up NO Are the optical unit and control board connected correctly Connect the harness correctly Replace the optical unit ASSY Replace the control board YES YES ...

Страница 29: ...ight up Failure of optical unit Failure of control board NO Light source for Kerato illumination does not light up OK Does the light source for Kerato illumination light up NO Are the optical unit and control board connected correctly Connect the harness correctly Replace the optical unit ASSY Replace the control board YES YES ...

Страница 30: ...ct Failure of control board Cannot communicate with PC or phoropter NO OK Replace the control board Is the setting of communication software correct NO Correct the setting Refer to Output of P 32 in the operation manual YES Is the peripheral relay harness connected correctly Connect the peripheral relay harness correctly YES Is the used communication cable correct Use the correct cable NO YES ...

Страница 31: ...ol board NO YES Cannot measure PD Replace the PD meter ASSY Is the performance of PD meter ASSY normal YES Check the measurement start switch Refer to 7 11 NO Is the measurement start switch normal Is the refractivity measurable Replace the control board NO Is the peripheral relay harness connected correctly Connect the peripheral relay harness correctly YES OK ...

Страница 32: ...no conduction is confirmed replace it with the specified fuse 2 Check switching supply unit DC voltage as shown below is output from the connector CN2 of the switching supply Check the output voltage in the voltage mode of the tester If the specified output voltage is not achieved replace the switching supply CN2 Top View Pin1 5V Pin2 5V Pin3 GND Pin4 GND Pin5 12V Pin6 12V ...

Страница 33: ...rmal measurement value of the model eye ASSY Evaluate the Freeze Image Refer to 11 Is the setting value of Shift SPH Data of the Maintenance Mode 0 NO Set the setting value as 0 YES Does the model eye ASSY have any scratches or stained on its surface Clean or replace the model eye ASSY Does the eye lens have any scratches or stains on its surface Clean or replace the eye lens Is the setting of VD ...

Страница 34: ...1 Saturate K dry cleaning material or soft cloth with lens cleaner absolute alcohol 2 Clean the eye lens and the model eye ASSY in a circular motion from the center Repeat it until they get cleaned 3 Saturate soft cloth with neutral detergent and wipe lightly when measuring window filter has stains Model eye ASSY Measuring window filter Eye lens Do not use organic solvent to clean because it damag...

Страница 35: ...ence to the operation manual and take measurements 4 If the measurement values with the model eye ASSY are within the acceptable range as shown below there are no problems with measurement accuracy The accurate value of the model eye ASSY is attached on the model eye ASSY The attached value is S spherical diopter power VD 12 As well as AXIS there is no indication of C cylinder frequency because it...

Страница 36: ...ease the measurement start switch At this time the functions of the operation switches are changed as same as the icons on the screen as shown on the right Descriptions of the switches are shown below The switch to choose the menu item Move the cursor to the upper direction The switch to choose the menu item Move the cursor to the lower direction The switch to execute the menu The switch to go bac...

Страница 37: ...image KRT Display the Kerato measurement image SPS Display Scotopic pupil size measurement image ALI Display the anterior eye part image PPS Display the photopic pupil size measurement image RETURN Return to the menu screen If errors occur frequently or there are some troubles about measurement accuracy evaluate judge the measurement image with this function Refer to 11 Evaluation of Freeze Image ...

Страница 38: ...u sure is displayed as shown on the right and the functions of the operation switches are changed Press to print out The adjustment data is printed out and it can be checked if the value is normal Press not to print out It switches to the original screen 6 Hardware Check When choosing this menu item it can be checked if the light source the camera the motor and the printer are working normally Eac...

Страница 39: ...he CMOS sensor the camera for ref light receiving and the camera for Kerato displays the image correctly Press after setting the accessory model eye ASSY and achieving alignment The CMOS sensor is switched and the ref image and the Kerato image are displayed 3 times alternately 5 MOTOR DRIVE Check if the motor is driving and the moving part is moving back and forth in a stroke range The moving par...

Страница 40: ...other than the accessory model eye the model eye ASSY 1 Set the model eye unit the model eye for calibration on the chin holder 2 Move the cursor to 7 Calibration with or switch and press 3 The screen is changed to the selection screen of REF CALIBRATION as shown on the right Conduct calibration only to the model eye which has problems with the measurement value capability Model eye for calibratio...

Страница 41: ...surement start switch It is not used normally The cursor moves downward It is not used normally The value of the cursor is changed to The value of the cursor is changed to The content of calibration is stored and it returns to the screen of REF CALIBRATION The model eyes that correspond to the each item of MODEL EYE A F are as shown below Do not use it with different combination 1 MODEL EYE A The ...

Страница 42: ...measurement the values are input in AXS_A CYL_A and SPH_A automatically 5 Press Exit switch The screen returns to the selection screen of REF CALIBRATION and the calibration contents values are stored This is the end of calibration of the model eye equivalent to 0D When conducting calibration of the model eyes equivalent 10D 10D and 5D select MODEL EYE B to F and follow the same procedures If the ...

Страница 43: ...tches are changed as described below It switches the function of the measurement start switch It is not used normally The cursor moves downward It is not used normally The value of the cursor is changed to The value of the cursor is changed to The calibration contents are stored and it returns to KRT CALIBRATION screen The model eyes which correspond to each item of MODEL EYE A to C are as shown b...

Страница 44: ... measurement the values are input in KR1_A KR2_A and KAX_A automatically 5 Press Exit switch The screen returns to the selection screen of KRT CALIBRATION and the calibration contents values are stored This is the end of calibration of the model eye equivalent to R7 50 In case of conducting the calibration of the model eye equivalent to R10 00 and R5 00 select MODEL EYE B to C and follow the same ...

Страница 45: ... the corneal curvature radius Make sure the measurement results are within the acceptable criteria below Mode eye to be measured Acceptable range Equivalent to SPH 10D SPH within 0 12D of the indicated value of the model eye CYL within 0 12D Equivalent to SPH 0D Equivalent to SPH 10D Equivalent to SPH 4 75D Accessory model eye Equivalent to R 7 50mm Both R1 and R2 are within 0 01mm of the indicate...

Страница 46: ...ice to the factory default When selecting this menu item the message Are you sure is indicated and the functions of the operation switches are changed Press when wishing to reset the adjustment data and the setting items of the device to the factory default It returns to the original screen if pressing ...

Страница 47: ...Check If it is confirmed that the measurement light is blinking on the screen or from the measurement window the measurement light is applied correctly Check this with good alignment condition In this case replace the control board because it is possible that it has some troubles If the measurement light written above cannot be seen it is possible that the measurement light drive circuit has some ...

Страница 48: ... is cut If the image is cut on the Freeze Image screen the measurement cannot be taken There are 2 possible causes of the phenomenon When taking the measurement the examinee blinks Ask the examinee not to blink when it takes measurement Pupil of examinee is small The pupil should be bigger Darken the brightness of the fixation target or of the room c Measurement image is blurred If the measurement...

Страница 49: ...thermal printer and printer cover unit 12 5 Replacement of PD ASSY switching supply and power switch 12 6 Replacement of joystick handle and measurement switch Pay attention to the precautions below before replacing each unit 1 Insert the connector all the way when inserting the harness in the board at the time of replacement of board harness Also be careful about harnesses being bitten 2 Apply th...

Страница 50: ...ondition Condition From condition 6 Unscrew 4 fixation screws and then remove the body cover Condition Condition For assembling follow the reverse procedures From the condition 3 Remove 14 connected harnesses to the control board 4 Unscrew 4 fixation screws red circle and then replace the control board 5 Unscrew 2 fixation screws yellow circle and then remove the EEPROM board Harness Harness Harne...

Страница 51: ...measuring window ring rotate it counterclockwise 2 Unscrew 2 fixation screws and then remove the face cover Harnesses 3 Remove 5 connected harnesses 4 Unscrew 4 fixation screws and then replace the optical unit ASSY For assembling follow the reverse procedures Measuring window ring Remove ...

Страница 52: ...dition Note Do not drop the resin washer disc springs and metal washers in the device when removing the LCD ASSY Condition Harness Hexagon nut Metal washer Resin washer Disc spring Place these 2 in the same direction Hexagon nut For assembling follow the reverse procedures 3 Unscrew 2 fixation screws blue circle and then remove the LCD tilt top cover and the LCD bottom cover 4 Unscrew 2 fixation s...

Страница 53: ...eplace the LCD relay board Condition Harness Harness LCD relay board From the condition 6 Remove 1 connected harness and 4 fixation screws and then replace the LCD cover unit Condition Condition Harness LCD cover unit For assembling follow the reverse procedures 7 Remove 2 connected harnesses and 4 fixation screws and then replace the LCD unit Harness LCD unit Condition ...

Страница 54: ...e printer main unit Thermal printer main unit Condition 1 Remove the printer platen unit after unscrewing 2 fixation screws 2 Fix the removed platen unit on the replaced printer cover unit 1 Remove 1 connected harness 1 connected earth harness and 4 fixation screws 2 each for right and left and then remove the front panel ASSY 2 Remove 3 fixation screws and 1 connected harness and then replace the...

Страница 55: ...unit slide lock A A B 5 Pinch A part of the power switch with a nipper etc and push it out to the direction B 6 Remove 4 connected harnesses and then replace the power switch For assembling follow the reverse procedures Light blue to power inlet Brown to power inlet Light blue switching supply Brown switching supply 3 Remove 1 connected harness and 2 fixation screws blue circle and then replace th...

Страница 56: ... switch and then remove the measurement switch 4 Remove the harness connected to the terminal of the measurement switch remove the heat shrinkable tube and solder 5 Fix new measurement switch and reconnect the harness Connect the No indicated on the measurement switch with the C terminal Make sure to reconnect the heat shrinkable tube Cap For assembling follow the reverse procedures Hexagon nut To...

Страница 57: ... 9pin straight cable Re writing program ComUpdate exe Ver 1 0 0 4 Program file CAUTION AKR550 cannot use other Version ComUpdate Preparation Connect Auto ref and PC with RS 232C cable Copy ComUpdate exe on PC Re writing Set up of re writing program Start ComUpdate exe which has been copied on PC The screen of figure 1 will appear so set each item 1 Select a communication port which auto ref is con...

Страница 58: ...57 Selection of writing program Press Select button and select a file to re write 5 Name of the file 4 File selection Button ...

Страница 59: ...e buttons from 1 to 5 of figure 2 in order quickly If the screen of Figure 3 does not appear turn the power off and start over from Start up of program mode The version displayed on this screen is the one of program rewriting software installed in auto ref and not the one of the program which is re writing on this procedure manual ...

Страница 60: ...ayed at the upper right corner of the screen and baudrate 115200bps is displayed at the lower right corner of the screen Press the communication start button send of ComUpdate on PC Files are transferred from PC to auto ref Baudrate 6 Communication start button ...

Страница 61: ...ch with the ones provided with the program file If they do not match turn auto ref off and start over from the beginning 14 Packing mode On AKR550 there is no official packing mode However to optimize the place in the box you can do some things Lower the chinrest to the maximum Make sure that the body is lowest by turning the joystick You can also turn the screw at the bottom of the AKR550 to be s...

Страница 62: ...61 ...

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