Table of Contents § 1 Page INTRODUCTION ......................1-1 § 2 SAFETY ......................... 2-1 2.1 General precautions ....................2-1 2.2 Maintenance precautions ..................2-1 § 3 TROUBLESHOOTING ....................3-1 § 4 SUB-TROUBLESHOOTING ..................4-1 4.1 The initialization does not start................4-1 4.2 The display panel does not display properly.............
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4.3.24 Error code 0601 (The chamfering/grooving wheel motor is abnormal.) appears..........................4-13 4.3.25 Error code 0602 (The chamfering/grooving unit does not initialize.) appears..........................4-14 4.3.26 Error code 0603 (Grinding end sensor error of the chamfering/grooving unit) appears......................4-14 4.3.27 Error code 0604 (Abnormally attached position of the grinding end sensor of the chamfering/grooving unit) appears.
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6.7 Replacing the Y axis ASSY ..................6-3 6.8 Replacing the tracer ASSY ..................6-4 6.9 Replacing the 5-phase pulse motor driver ..............6-4 6.10 Replacing the flangeless motor ................6-5 6.11 Replacing the inverter..................... 6-6 6.12 Replacing the feeler ASSY ..................6-6 6.13 Replacing the lens measuring ASSY ..............
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7.6.3 Polish size adjustment ................... 7-14 7.7 Chamfer and groove adjustment ................7-14 7.7.1 Height adjustment of the chamfering wheel ..........7-14 7.7.2 Groove position adjustment ................7-15 7.7.3 Chamfering wheel position adjustment in beveling ........7-15 7.7.4 Chamfering wheel position adjustment in flat edging ........7-15 7.7.5 Chamfer and groove axis adjustment ............
INTRODUCTION § 1 This service manual contains service instructions for the NIDEK PATTERNLESS EDGER, LE- 9000 Express series. This does not include technical descriptions for making eyeglass lenses. For correct service, thorough understanding of the contents of this manual is required prior to the service.
SAFETY § 2 2.1 General precautions • Only service persons who are accustomed to using the required tools and have a deep knowledge of this instrument are allowed to repair the instrument. • Observe the procedures to perform the repair work. If not, accidents or failure of the instrument may result.
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2 - 2 • Refer to “8.1 Wiring diagram” and “8.2 Connectors and cables,” for checking cable breaks as described in “§3 TROUBLESHOOTING”. In addition, check cables for the following: Connectors are connected and crimped securely. No contact failure occurs after re-connection of connectors. Cables are soldered properly.
§ 3 TROUBLESHOOTING Turn ON the power switch. Does the initialization start? 4.1 The initialization does not start. Does the display panel display properly? 4.2 The display panel does not display properly. Does the error message appear on the display 4.3 The error message appears on the display panel? panel.
§ 4 SUB-TROUBLESHOOTING 4.1 The initialization does not start. Is the power voltage of the wall-outlet proper Use another wall-outlet which supplies proper (100VAC or 200VAC)? power voltage. Replace the fuse with a new one. Is the fuse blown? (Refer to the Operator’s Manual.) Is the voltage between the 1a and 2a pins of Replace the rocker switch (80460-00123) the rocker switch 100VAC (200VAC)?
4 - 2 4.3 Error messages appear. 4.3.1 Error code 0001 (Grinding data transmission error) appears. Do the cables connected to the RS-232C Replace the cables connected to the RS-232C connectors (COM1, COM2) have breaks? connectors (COM1 and COM2). Are the peripheral devices connected Connect the peripheral devices properly.
4 - 3 4.3.3 Error code 0107 (Roughing does not stop.) appears. Turn OFF the power switch. Does the Y axis move smoothly when moving Replace the Y axis ASSY (40347-5400). it by hand? (See “6.7”.) Does the 5-phase pulse motor (40347-E030) Replace the Y axis ASSY (40347-5400).
4 - 4 4.3.4 Error code 0108 (Grinding wheel does not turn.) appears. Wait for 20 seconds after turning OFF the power switch, and turn ON the power switch again. Is the symptom improved? Completion of operation Does cable CA10 (40340-CA10) have a Replace cable CA10 (40340-CA10).
4 - 5 4.3.5 Error code 0201 (Feelers cannot be initialized.) appears. Does cable CA29 (40340-CA29) have a Replace the lens measurement ASSY (40340- break? 4000). (See “6.13”.) Does cable CA33 (40340-CA33) have a Replace the lens measurement ASSY (40340- break? 4000).
4 - 6 4.3.6 Error code 0202 (Feelers or encoder error) appears. Is the up, down, left and right movement of Replace the lens measuring ASSY (40340- the lens measuring ASSY abnormal? 4000). (See “6.13”.) Does cable CA29 (40340-CA29) have a Replace the lens measuring ASSY (40340- break? 4000).
4 - 7 4.3.7 Error code 0204 (After measurement of the rear surface of the lens , the front surface of the lens cannot be measured.) appears. When measuring the rear surface of the lens, lightly hold down the stylus. 4.3.8 Error code 0205 (Abnormal data for measured result of the lens) appears.
4 - 8 4.3.9 Error code 0206 (The initial data obtained in lens shape measurement is abnormal.) appears. Reassemble the feelers (40340-4100) properly. Do the feelers (40340-4100) come off? (See “6.12”.) Does the pulse motor (40340-E033) have a Replace the lens measuring ASSY (30430- break? 4000).
4 - 9 4.3.12 Error code 0209 (While the front surface of the lens is measured, the feelers are positioned beyond its measurable range.) appears. Perform the countermeasures described in “4.3.11 Error code 0208 (While the rear surface of the lens is measured, the feelers are positioned beyond its measurable range.) appears.”. 4.3.13 Error code 0301 (Abnormal Y axis data for grinding) appears.
4 - 10 4.3.17 Error code 0403 (Y axis cannot be initialized) appears. Turn OFF the power switch. Does the Y axis move smoothly when moving Replace the Y axis ASSY (40347-5400). it by hand? (See “6.7”.) Does the 5-phase pulse motor (40347-E030) Replace the Y axis ASSY (40347-5400).
4 - 11 4.3.18 Error code 0404 (Initialization error of θ θ θ θ θ axis) appears. Does cable CA40 (40340-CA40) have a Replace cable CA40 (40340-CA40). break? (See “8.1”.) Does cable CA46 (40340-CA46) have a Replace cable CA46 (40340-CA46). break? (See “6.16”.) Is excess grease or are foreign particles...
4 - 12 4.3.22 Error code 0408 (Initialization error of F axis motor) appears. Turn OFF the power switch. Press the START button to cancel the error. Then, move the feelers to the center of the grinding chamber, and turn ON the power switch.
4 - 13 4.3.23 Error code 0501 (The chucking motor does not run.) appears. Does the right chucking shaft move Return the instrument to NIDEK for service. smoothly? Does cable CA40 (40340-CA40) have a Replace the lens measuring ASSY (40340- break? 4000).
4 - 14 4.3.25 Error code 0602 (The chamfering/grooving unit does not initialize.) appears. Does the arm of the chamfering/grooving unit Replace the chamfering/grooving unit. move smoothly? (See “6.20”.) Does cable CA16 (40340-CA16) have a Replace cable CA16 (40340-CA16). break? (See “8.1”.) Does the pulse motor (40340-E035) have a Replace the pulse motor (40340-E035).
4 - 15 4.3.27 Error code 0604 (Abnormally attached position of the grinding end sensor of the chamfering/grooving unit) appears. Perform the voltage adjustment of the grinding end sensor of the chamfering/grooving unit. (See “7.2.2”.) 4.3.28 Error code 0801 (CPU false interrupt error) appears. Replace the MAIN board (40347-BA01).
4 - 16 4.3.35 Error code 0905 (Frame memory verification error) appears. Replace the MAIN board (40347-BA01). (See “6.3”.) 4.3.36 Error code 0906 (Frame memory CRC check error) appears. Replace the MAIN board (40347-BA01). (See “6.3”.) 4.4 The instrument does not operate by the keys on the control panel.
4 - 17 4.5 Tracing cannot be done properly. 4.5.1 Tracing does not start./Tracing is not completed. Does the stylus (40340-M474) have any Replace the stylus (40340-M474). (See “6.25”.) defects (break, bend, worn tip, etc)? Perform the tilt adjustment of the stylus (40340-M474).
4 - 18 4.6 The feelers do not contact the lens. Perform the countermeasures against error code 0202 (abnormal feelers or encoder). (See “4.3.6”.) 4.7 Grinding of a lens cannot be done properly. 4.7.1 Water leaks. Is the water pressure high at the direct- Reduce the water pressure by tightening the coupled unit to tap water? valve of the tap.
4 - 19 4.7.3 Axis shift occurs. Do the axes of the cup and lens shift during Use the protective tape for grinding. grinding? Adjust the axis angle. (See “7.5”.) 4.7.4 Grinding takes a long time. Perform the wheel dressing. (See “7.8”.) Is the symptom improved? Completion of operation Replace the weel.
4 - 20 4.7.6 Chamfering and grooving positions are improper. Perform the calibration of the lens measuring ASSY. (See “7.3.1”.) Is the symptom improved? Completion of operation Adjust the chamfering and grooving positions. (See “7.7”.) Is the symptom improved? Completion of operation Replace the lens measuring ASSY.
4 - 21 4.8 Maintenance message appears. Does the maintenance message “ Please Clean Tank & Pump and Replace Filter” appear on Take actions following the message. the display panel? Replace the grinding water and filter. Clean the tube (40341-M138) with the leak Is the symptom improved? detector (40341-CA73).
§ 5 REMOVING COVERS 5.1 Removing the cover ASSY 1. Unscrew SB4×10 (n=4). 2. Open the cover ASSY (40345-2000 or 40347- 2000) together with the front cover (40341- M862), and fix them with the stay (40340- M235). 3. Disconnect P101 (J1) and P112 (J12) on the MAIN board (40347-BA01).
5 - 2 5.2 Removing the right, left and rear covers 1. Remove the cover ASSY. (See “5.1”.) 2. Unscrew SB4×10 (n=3) and remove the side cover (40347-M204). 3. Unscrew SB4×10 (n=3) and remove the side cover (40347-M205). 4. Unscrew SB4×10 (n=3) and remove the rear cover (40347-M203).
§ 6 REPLACEMENT 6.1 Replacing the rocker switch Replacement parts: 80460-00123 1. Remove the cover ASSY. (See “5.1”.) 2. Disconnect all the terminals of the rocker switch (80460-00123). 3. Detach the rocker switch (80460-00123) while pressing the lever down. 4. Reassemble the parts in reverse order. 6.2 Replacing the switching power supply Replacement parts: 80602-00085 1.
6 - 2 6.3 Replacing the MAIN board Replacement parts: 40347-BA01 1. Store the parameters. (See “7.1.1”.) * This procedure minimizes readjustment that will be needed after replacing the BA01 board. If the internal parameters were not stored and restored, all the parameters of the lens edger must be adjusted.
6 - 3 6.5 Replacing cable CA24 Replacement parts: 40340-CA24 1. Remove the cover ASSY. (See “5.1”.) 2. Remove the rear cover. (See “5.2”.) 3. Disconnect P103 (J3) of the MAIN board (40347-BA01). 4. Remove the spacer (80453-03215, n=2) and cable CA24.
6 - 4 6.8 Replacing the tracer ASSY Replacement parts: 40340-3000 1. Open the cover ASSY. 2. Disconnect P1502 (J2) and P1507 (J7) of the BA15 board (40340-BA15). 3. Loosen SB4×8 (n=2). 4. Unscrew SB4×8 (n=2) and remove the tracer ASSY.
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6 - 5 6.10 Replacing the brushless motor Replacement parts: 40347-E058 1. Remove the cover ASSY. (See “5.1”.) 2. Remove the right, left and rear covers. (See “5.2”.) Remove the wheel. 3. Loosen HH4×4 (n=2) retaining the pole (40340-M131). * Remove the chamfering/grooving unit for the LE-9000SX.
6 - 6 6.11 Replacing the inverter Replacement parts: 40347-E056 1. Remove the cover ASSY. (See “5.1”.) 2. Remove the right, left and rear covers. (See “5.2”.) 3. Remove the tracer ASSY (40340-3000). (See “6.8”.) 4. Unscrew SB4×10 (n=4) and remove the cover plate (40347-M179).
6 - 9 6.18 Replacing the CD motor Replacement parts: 40340-E042 1. Remove the cover ASSY. (See “5.1”.) 2. Remove the right, left and rear covers. (See “5.2”.) 3. Disconnect CN06 of cable CA43. 4. Unscrew SB4×10 (n=3) and remove the chucking motor ASSY (40340-5100).
6 - 10 6.20 Replacing the chamfering/grooving unit Replacement parts: 40341-6000 1. Remove the cover ASSY. (See “5.1”.) 2. Remove the right, left and rear covers. (See “5.2”.) 3. Remove the guard (40340-M931). 4. Disconnect CN03 of CA15 (40340-CA15), CN04 of CA16 (40340-CA16) and CN05 of CA17 (40340-CA17).
6 - 11 6.22 Replacing cable CA38 Replacement parts: 40340-CA38 1. Remove the chamfering/grooving unit (40341-6000). (See “6.20”.) 2. Unscrew CK2×4 (n=4) and remove cable CA38 (40340-CA38). 3. Reassemble the parts in reverse order. 4. Perform the grinding end sensor adjustment of the chamfering/grooving unit.
6 - 12 6.25 Replacing the stylus Replacement parts: 40340-M474 1. Keep the power switch OFF and turn the rotary ASSY of the tracer counterclockwise to position the stylus as illustrated in the right picture. 2. Lift up the stylus (40340-M474) by hand and unscrew CK2×3 (n=2) to remove the stylus (40340-M474).
6 - 13 6.27 Replacing the carriage ASSY Replacement parts: 40347-5000 1. Remove the cover ASSY. (See “5.1”.) 2. Remove the right and left covers. (See “5.2”.) 3. Remove the guard (40340-M931). (See “6.20”.) 4. Remove the chamfering/grooving unit (40341-6000). (See “6.20”.) 5.
6 - 14 6.28 Replacing the pulse motor for X axis Replacement parts: 40340-E037 1. Remove the carriage ASSY (40347-5000). (See “6.27”.) 2. Disconnect P109 (J9) of the MAIN board (40347-BA01). 3. Unscrew SB6×15 (n=2) and remove the X axis motor ASSY (40347-1100). 4.
ADJUSTMENT § 7 7.1 Installation of the software To install the software, use a note personal computer on which the RS-232C connector (COM port) is provided. 7.1.1 Making a backup of the parameters 1. Connect the PC/LAN connector of the LE- 9000 and the COM1 port of the PC (40390- E001) with the RS-232C cross cable (LEDJ- R S - 2 3 2 C...
7 - 2 7.1.3 Writing the program of the Master CPU 1. Connect the connector of the RS-232C cross cable for the master CPU to the COM1 port of the PC. R S - 2 3 2 C i n t e r f a c e 2.
7 - 3 7.1.5 Writing the program of the Tracer CPU 1. Connect one end of the RS-232C cross cable for the tracer to COM1 of the PC. 2. Unscrew the 4 screws and open the covers of the LE-9000. 3.
7 - 4 7.2 Adjustment of chamfering/grooving unit 7.2.1 Arm position adjustment of the chamfering/grooving unit 1. Remove the wheel. 2. Set the calibration jig (LEDJ-10 M015) on the shaft of the brushless motor (40347- E058). 3. Turn the DC motor (40340-E042) by hand to make the plunger (6290) contact the plate (M638).
7 - 5 7.2.2 Grinding end sensor adjustment of the chamfering/ grooving unit 1. Turn ON the power while holding down the SELECT button to show the SYSTEM SETTING MODE screen. 2. Align the cursor (→) to “EDGE SENSOR VOLTAGE” with 3.
7 - 6 7.3 Calibration 7.3.1 Calibration of the lens measuring ASSY 1. Turn OFF the power once. Turn ON the power while holding down the SELECT button to display the SYSTEM SETTING screen. 2. Align the cursor (→) to “CALIBRATION” with , and press the SELECT button to display the CALIBRATION screen.
7 - 7 7.3.3 Calibration of the tracer ASSY 7.3.3.1 Frame auto calibration 1. Set the 45 calibration frame (LEDJ-10 M301). 2. Press the right single tracing button while holding down the left single tracing button. 3. After checking to see that the LED of the dual tracing button blinks, press the button.
7 - 8 7.3.3.4 Full-calibration of the tracer ASSY 1. Set the 45 calibration frame (LEDJ-10 M301) by making its left end contact the left side of the tracing unit as shown on the right. 2. Turn the power ON while holding down the right single tracing, left single tracing and dual tracing buttons simultaneously.
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7 - 9 10. After tracing, verify that the LED of the dual tracing button blinks and set the calibration frame (LEDJ-10 M301) in the center of the tracing unit as shown on the right. 11. Press the dual tracing button. 12.
7 - 10 7.4 Size and bevel adjustment 7.4.1 Size adjustment * Grind a lens with the φ45 built-in data and adjust the size of the ground lens or its bevel position. When performing the size adjustment of a plastic lens, use the lens of CR39, -3 to -5D or so. 1.
7 - 11 7.4.2 Bevel position adjustment 1. Display the φ45 built-in data. 2. Perform the guided beveling (5 : 5) and check the bevel position. 3. When the bevel is not positioned at the center of the edge by checking visually, change the parameter to adjust the bevel position.
7 - 12 6. In the same manner, adjust the axis of a polycarbonate lens. [Adjustment parameter of polycarbonate lens axis] “PC AXS const. (bevel)” “PC AXS const. (flat)” 7. In the same manner, adjust the axis of a glass lens. * Ordinarily, the following parameters should be set to the same values as the “PLA AXS const.
7 - 13 7.6.2 Polish level, polish axis and bevel position adjustments 1. Set “Polish wheel size” to 0.00 for type PLB and PLB-2R. Set it to 1.20 for type PL4. * The “Polish wheel size” parameter compensates for the difference in wheel heights for finishing and polishing.
7 - 14 7.6.3 Polish size adjustment 1. Display the φ45 built-in data. 2. Perform the flat edge polishing with the lens of CR39, -3 to -5D. 3. Measure the diameter of the ground lens and change the parameter so that the diameter becomes φ45.0 to φ45.1 mm.
7 - 15 7.7.2 Groove position adjustment 1. Display the φ45 built-in data. 2. Perform the guided grooving (5:5) of CR39, -3 to -5D lens and check the groove position. 3. Change the parameter so that the groove is positioned at the center of the lens edge. [Adjustment parameter of groove position] Input the compensation value into “Groove Position”.
7 - 16 7.7.5 Chamfer and groove axes adjustment * With the 45 built-in data, perform the groove and chamfer axes adjustment. In this adjustment, perform the chamfering of the 45 built-in data and adjust the chamfer axis so that the groove and chamfer are made evenly in circumference of the lens. As the groove axis is the same as the chamfer axis, the chamfer axis is automatically adjusted when the groove axis is adjusted.
7 - 17 7.8 Polishing wheel dressing * As very fine diamond grains are used for the polishing wheel, the diamond grains may be left out during polishing or a clogged wheel may impair the polishing performance. In this case, the polishing quality on the polished lens surface may be impaired, or the lens surface may be partly unpolished.
7 - 18 7.8.2 Applying compound 1. Stop running the water. Wipe the wheel if it is wet. * Do not splash water on the wheel while applying compound. If the wheel is wet, the compound may be ineffective. 2. Apply a small amount of compound (provided compound) onto a dry cloth or felt and contact it to the turning wheel to polish.
7 - 19 7.10 Feeler adjustment 7.10.1 Feeler reference position adjustment 1. Detach the lens adapter with a hexagonal screwdriver. 2. Instead of the lens adaptor, set the calibration jig (LEDJ-10 M11), aligning the groove of the jig to the pin of the shaft. Insert the set screw fully, facing it up and then tighten the set screw securely.
7 - 20 7.11 Initialization position adjustment of Y and θ axes 1. Open the cover ASSY (2000, 2A00). 2. Remove the side cover (40347-M205). (See “5.2”.) 3. Remove the wheel. 4. Remove the lens adapter and lens clamp. 5. Turn ON the main body and turn it off after the initialization is completed. 6.
7 - 21 7.12 Adjustment of the lens measuring ASSY 7.12.1 Voltage adjustment of the lens measuring ASSY 1. Open the cover ASSY (2000, 2A00). 2. Turn ON the main body. 3. After initialization, disconnect cable connector P602 (J2) of the pulse motor (40340-E033).
7 - 22 7.12.2 Axis check and adjustment of the lens measuring ASSY * Perform this adjustment repeatedly until the edge of the ground lens becomes parallel to the tracing track. 1. Grind the lens under the conditions below. Lens: Plastic (CR39) Layout: Use the 45 built-in data (FPD: 70.00, PD: 70.00, NYL) (To display the data, press the FC button while holding down the DATA SET button.)
7 - 23 7.13 Tracer ASSY adjustment 7.13.1 Tilt adjustment of the stylus 1. Set the standard frame (40340-M391) to the tracer ASSY. 2. Press the dual tracing button for 3 seconds or so. 3. Check to see that the stylus (40340-M474) proceeds toward the frame and contact it at the 90º...
7 - 24 7.13.3 Cleaning the pattern tracing pin 1. Turn ON the power of the LE-9000. Slider 2. Open the sliders widest and press any tracing button while holding the sliders. 3. Turn OFF the power when the pattern tracing pin comes up and it is going to start tracing.
7 - 25 7.15 Parameter check of BL inverter 1. Remove the rear cover of the LE-9000. (See “5.2”.) 2. Turn ON the power of the LE-9000. (The inverter turns on at this time.) 3. The parameter No. display blinks by pressing the DATA SET button once on the control panel of the inverter.
8 - 4 8.3 Configuration [Whole system] Tracing unit cover (Compartment for the 9000SX Express) Control panel for tracing unit Soundproof cover (Only for LE-9000SX Express) Display panel Control panel for grinding unit Drawer Cabinet [Rear side of the main body] Power switch Cooling fan Contrast control...
8 - 8 8.5 Error code table Error Description Cause Suggested action code Grinding data Poor connection Check the cable from the RS-232C transmission error break of cable connector and peripheral devices for secure connection. Grinding data Poor connection Check the cable from the RS-232C reception error break of cable connector and peripheral devices for...
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8 - 9 Error Description Cause Suggested action code There is a disparity Abnormal measured Check if the feelers are attached between the data at data of the lens securely (with no play). the starting point and at the end point in lens shape measurement.
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8 - 10 Error Description Cause Suggested action code Initialization error Perform the suggested action against errors The Y and θ axis motor of Y and R axis 0403 and 0404. errors 0403 and 0404 motors occurred concurrently. Initialization error Abnormal pulse motor Press the START button to clear the error of F axis motor...
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8 - 11 Error Description Cause Suggested action code The settings of the BA01 board failure Replace the BA01 board. parameters related Improper values Check corresponding parameter to wheel position input to the parameter. settings. specified range. Frame memory BA01 board Replace the BA01 board.
8 - 13 8.8 Calibration jig list A set of jigs LEDJ-10 (40390) 8.9 Special key operation * The following key operations can be performed for maintenance and adjustment work. * Never publish the special key operation for general users. Operating the keys unnecessarily may lead to confusion in maintenance or adjustment work.
8 - 14 8.9.2 Recalling the φ φ φ φ φ 45 built-in data 1. Press the SELECT button while holding down the DATA SET button. * When the keys are released, the φ45 built-in data will be recalled and displayed on the screen.
8 - 21 8.13 Trip list of brushless motor inverter LED display Protective function Contents of protection Monitor When the output current reaches the electron thermal level and the Electron thermal operation (blink) timer starts, the indication on the monitor will blink. If this letter is displayed when the power is turned on or off, it is normal operation.
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