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Service manual M500 N, M520, M525

Fault finding

Doc Code 10 665 751

4-3

08/2007

Gahe

Fault finding - M500 N, M520, M525

Diagnosis LED’s

Zoom/multifoc motor controller 10714356

LED 3

LED 2

LED 1

green

Watchdog - blinking with 2Hz,
indicates that the main program is
running.

LED 2

red

Enable zoom - “On” when the zoom
motor is driven or short-circuited
(damaged). “Off” when the motor is
set free.

LED 3

yellow

Enable multifoc - “On” when the

multifoc motor is driven or short-
circuited (damaged). “Off” when
the motor is set free.

LED 4

green

+5V-Powering - “On” when the

switching regulator is working.

LED 4

Содержание M500 N

Страница 1: ...M500 N M520 M525 10 665 751 Release 09 2007 Table of contents 1 Technical Description 2 Wiring Diagram and Locations 3 Service Programs 4 Fault Finding 5 Replacing Modules 6 Maintenance Service 7 Insp...

Страница 2: ...Release 09 2007 First edition...

Страница 3: ...Chapter Page System description 1 1 General 1 1 Overview control unit 1 1 Overview optics carrier 1 2 Electrical accessories 1 3 Optical mechanical accessories 1 3 Configuration M525 systems 1 4 Prod...

Страница 4: ...Description Service manual M500 N M520 M525 08 2007 Gahe 1 II Doc Code 10 665 751...

Страница 5: ...The microscope is always used together with a Leica stand system refer to product history on page 1 5 Electrically the optics carrier and the control unit are connected together to the stand system b...

Страница 6: ...Drive illumination diaphragm M525 Iris override M525 only Iris reset Handgrip interface WD lock button LED WD lock indication Display WD M520 M525 Manual drive WD Manual drive zoom Interface for prote...

Страница 7: ...s device Fluorescence devices available for some stand systems only Optical mechanical accessories All optical equipment with dovetail interface fit to the optics carrier Refer to appropriate stand us...

Страница 8: ...te 08 2007 M525 C40 CT40 M525 MC1 M525 MS3 M525 F40 10448169 control unit 10448068 control unit 10448144 control unit 10448237 M525 optics carrier with A B slide 10448238 M525 optics carrier no A B sl...

Страница 9: ...rade kit was available 10 712 316 upgrade kit M500 N to M520 optics carrier description 10 665 687 10 446 757 to 10 448 070 10 448 019 to 10448 071 New illumination unit and new multifoc objective Mor...

Страница 10: ...1 F40 MS3 C40 CT40 10 448 238 M525 optics carrier without A B slide replaces 10448 035 for OH4 Upgrade kit available for limited time 10 714 461 Upgrade kit M520 to M525 description 10 665 743 10 448...

Страница 11: ...es on it A control unit is needed to store the settings to read hand footswitches and to control the optics carrier manage CAN bus activities and to display the status settings It consists of one cont...

Страница 12: ...controller wants to send data it has to wait until the bus is free The feature of setting the priority of commands is not applied in the M500 N M520 M525 system all commands have the same priority Com...

Страница 13: ...DC DC converter on the motorcontroller delivers 5V for logic supply The 24VDC is measured on the controller board with the microprocessor analog input It can be asked in the diagnostic menu of the co...

Страница 14: ...al interface for service purposes is available It is directly wired to the Optics carrier processor and has therefore other signal level for TxD than RS232 standard Recognition of optics carrier type...

Страница 15: ...M 256kByte Flash EPROM and 4kByte EEPROM The software can be updated downloaded through the RS232 service interface A watch dog is integrated it observes the running of the main program Diagnosis LED...

Страница 16: ...interface A double RS232 interface is provided for service purposes They are both wired directly to the Processor RXD0 TXD0 RXD1 TXD1 The connector P7 is used for both of them COM1 RXD0 TXD0 is progr...

Страница 17: ...180 mm with 10x eyepiece Objective Multi focal lens 207 470 mm variable working distance Illumination Continually adjustable illumination field diameter with gauss shaped light distribution AutoIrisTM...

Страница 18: ...Description Service manual M500 N M520 M525 08 2007 Gahe 1 14 Doc Code 10 665 751...

Страница 19: ...0 665 751 2 I 07 2007 Gahe 2 Wiring and locations Leica M500 N M520 M525 Table of content Chapter Page Optics carrier 2 1 Control unit 2 4 Overview of connectors 2 6 Wiring diagrams 2 8 Wiring diagram...

Страница 20: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 II Doc Code 10 665 751...

Страница 21: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 1 07 2007 Gahe Wiring and locations Leica M500 N M520 M525 Optics carrier Zoom multifoc motor controller 10714356...

Страница 22: ...ce manual M500 N M520 M525 07 2007 Gahe 2 2 Doc Code 10 665 751 Zoom multifoc motor controller 10661250 M500 N M520 only Switch board J6 View from wiring side Bridge for M520 M525 only Removed when us...

Страница 23: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 3 07 2007 Gahe Iris switch assembly...

Страница 24: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 4 Doc Code 10 665 751 Control unit Control module Power supply only in control units till March 2005...

Страница 25: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 5 07 2007 Gahe LCD module Switch panel J12 P11...

Страница 26: ...cap P8 2 1 Motor controller Iris motor P9 2 1 Motor controller Iris switch assembly J9 2 3 Iris switch assembly P10 2 1 Motor controller CAN to stand system Control unit P1 2 4 Control module test po...

Страница 27: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 7 07 2007 Gahe P12 2 4 Control module LCD module backlight J12 2 5 LCD module control module P13 2 4 Control module input from power module...

Страница 28: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 8 Doc Code 10 665 751 Wiring diagrams in A3 format Wiring diagram M525 10719072 on page 2 9 Wiring diagram M500 N M520 707276 A on page 2 11...

Страница 29: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 9 07 2007 Gahe...

Страница 30: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 10 Doc Code 10 665 751 Empty page reversed side of wiring diagram...

Страница 31: ...Service manual M500 N M520 M525 Wiring Doc Code 10 665 751 2 11 07 2007 Gahe Power supply removed since 03 2005...

Страница 32: ...Wiring Service manual M500 N M520 M525 07 2007 Gahe 2 12 Doc Code 10 665 751 Empty page reversed side of wiring diagram...

Страница 33: ...0 M525 Service programs Doc Code 10 665 751 3 I 08 2007 GAHE 3 Service programs Leica M500 N M520 M525 Table of content Chapter Page Service programs control unit 3 1 Software upgrade program for cont...

Страница 34: ...Service programs Service manual Leica M500 N M520 M525 08 2007 GAHE 3 II Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

Страница 35: ...er to toggle or to switch mode Switch mode relais contact closes as long as the release button is pressed Toggle mode relais contact opens closes with each activation of the release button Ad Function...

Страница 36: ...o be set to present Not connected CAN devices have to be set to Not present If the device list is not set correctly it may result in malfunction and or error messages Available CAN devices Stand M500...

Страница 37: ...M500 N M520 M525 optics carrier allows a SW update by Laptop PC The motorcontroller accepts data via the RS232 service interface either at the capped Lemo plug J7 or the internal plug J1 An update pro...

Страница 38: ...Service programs Service manual Leica M500 N M520 M525 08 2007 GAHE 3 4 Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

Страница 39: ...520 M525 Fault finding Doc Code 10 665 751 4 I 08 2007 Gahe 4 Fault finding Leica M500 N M520 M525 Table of content Chapter Page Diagnosis LED 4 3 Start up sequence 4 6 Error messages 4 7 Diagnostic f...

Страница 40: ...Fault finding Service manual M500 N M520 M525 08 2007 Gahe 4 II Doc Code 10 665 751...

Страница 41: ...D 1 green Watchdog blinking with 2Hz indicates that the main program is running LED 2 red Enable zoom On when the zoom motor is driven or short circuited damaged Off when the motor is set free LED 3 y...

Страница 42: ...Watchdog blinking with 2Hz indicates that the main program is running LED 2 red Enable zoom On when the zoom motor is driven or short circuited damaged Off when the motor is set free LED 3 yellow Ena...

Страница 43: ...N M520 M525 Fault finding Doc Code 10 665 751 4 5 08 2007 Gahe Control module LED 3 LED 2 LED 1 LED1 green Watchdog LED blinking when the main program is running LED2 red Not used LED3 green Indicates...

Страница 44: ...g processor Display RTKernel 32 Debug version Display M500 N M520 N software version 1 87 Display Initializing Requesting version of optics carrier M500 N or M520 or none Display Presetting Optic Carr...

Страница 45: ...sible for a few seconds in an endless loop Example Menu II Standard setting Microscope needs initialization Menue II User settings Initialize microscope Service Menue up down ok cancel Level 2 error m...

Страница 46: ...ler in optics carrier Activating user parameter failed Motor positioning commands sent to optics carrier are not executed within 45 seconds If no problem with CAN communication it is a problem of moto...

Страница 47: ...ed friction of mechanic or motor problem MF Focus end position not reached Could not reach end position of focus therefore position counter is not properly set Reason can be increased friction of mech...

Страница 48: ...hdog error Setup and display task watchdog error Status task watchdog error Display parameter task watchdog error CAN transmit task watchdog error Exception error reboot Appropriate task crashed SW pr...

Страница 49: ...troller shutter position error Detected position of shutter does not correlate with commanded position for more than 5 seconds Problem in DI Controller DI C module DIC500 Video signal not valid Video...

Страница 50: ...yed Show clear error list Appearing errors are stored in this list up to 29 lines clear list after repair service Refer to chapter error messages Show parameters Different parameter of the control uni...

Страница 51: ...st and diagnosis in the user menu Select Menue II Select User settings Available test function Description CAN Handle left right All keys of the appropriate handle can be checked the standard setting...

Страница 52: ...Fault finding Service manual M500 N M520 M525 08 2007 Gahe 4 14 Doc Code 10 665 751...

Страница 53: ...5 1 1 Removing the optics carrier 5 1 5 1 2 Removing the zoom carrier 5 2 5 1 3 Removing the zoom motor 5 3 5 1 4 Exchange the set manual drive 5 4 5 1 5 Removing the multifocal motor 5 5 5 1 6 Removi...

Страница 54: ...Replacing modules Service manual Leica M525 04 2004 3241 EBTH update 07 2007 5 II Doc Code 10 665 751...

Страница 55: ...eight Fig 1 2 and take it off 2 Remove seven screws Fig 1 3 from lower cover Fig 1 4 and take it off 3 Pull out connectors P5 and P6 Fig 2 from motor controller board 4 Separate upper part of zoom Fig...

Страница 56: ...nd remove motor controller board from zoom part Fig 3 1 8 Remove screw Fig 4 6 from motor controller board positioned and take it off 9 Remove two screws Fig 4 7 from motor controller board carrier an...

Страница 57: ...minator lower part from one another as described in paragraph 5 1 1 2 Remove four screws Fig 5 1 and 5 2 from the zoom see Fig 6 2 and take out the complete zoom mechanism Fig 6 2 slantwise upwards fr...

Страница 58: ...adapter and take out the zoom motor sideways through the slit 5 1 4 Exchange the set manual zoom drive 1 Separate zoom upper part and illuminator lower part from one another as described in paragraph...

Страница 59: ...ig 11 3 from motor controller board through the notch in the illuminator lower part 3 Remove two screws Fig 12 1 of the switchboard and remove switchboard in direction of the motor 5 1 7 Removing the...

Страница 60: ...ep 1 to 5 in 5 1 1 2 Release switch S2 loosen 2 screws Fig 15A 1 and hex nut Fig 15A 2 3 Mark axial position of Iris assembly in housing Fig 15A 3 4 Loosen 2 screws Fig 15A 4 and remove Iris assembly...

Страница 61: ...to 4 2 Dissolve shellac of pin screw Fig 15B 1 with solvent alcohol spirit and pull out motor 3 Dissolve shellac of pin screw Fig15B 2 with solvent and remove gear 5 1 11 Assembling Iris motor 1 Perfo...

Страница 62: ...from A slide by taking out the four screws Fig 16 2 4 Remove only first and last screw Fig 17 1 from A slide 5 Remove two screws Fig 17 2 to release A carrier from zoom upper part Note Prevent the sl...

Страница 63: ...ig 19 1 and four washers Fig 20 1 to release A slide from B slide 8 Remove three screws Fig 19 2 to release cover from B slide 9 Remove four screws Fig 20 2 and one screw Fig 20 3 to release B carrier...

Страница 64: ...Replacing modules Service manual Leica M525 04 2004 EBTH Update 07 2007 5 10 Doc Code 10 665 751...

Страница 65: ...d dirt have a negative effect on the results of your work When the instruments are not in use use the dust covers and dust plugs provided Specific guideline for the Leica M500 N M520 M525 We recommend...

Страница 66: ...Maintenance Service manual M500 N M520 M525 07 2007 Gahe 6 2 Doc Code 10 665 751...

Страница 67: ...Service manual Leica M500 N M520 M525 Inspection Doc Code 10 665 751 7 1 07 2007 Gahe 7 Inspection Leica M500 N M520 M525 Table of content Chapter Page Inspection list entries 7 3 Test certificate 7 8...

Страница 68: ...Inspection Service manual M500 N M520 M525 07 2007 Gahe 7 II Doc Code 10 665 751...

Страница 69: ...Required results O K Fails 1 General WARNING 1 1 Switch stand system on Optics carrier and control unit perform the start up sequence No error messages on the control unit 2 Control unit 2 1 Display t...

Страница 70: ...activated 2 7 Check screen brightness and contrast Use arrow keys in menu User settings control unit screen brightness and contrast Brightness and contrast can be increased and decreased from minimum...

Страница 71: ...optics carrier 1 4 at WD max 407 to 13 7 at WD min 207 M520 M525 optics carrier 1 2 at WD max 470 to 12 8 at WD min 207 for eyepiece magnification 10x and tube focal length 170mm 3 M500 N M520 M525 op...

Страница 72: ...nctions 3 11 Press zoom up button at left and right handle Magnification increases 3 12 Press zoom down button at left and right handle Magnification decreases 3 13 Observe movement of zoom Uniform zo...

Страница 73: ...es no disturbing stray light in field of view Gaussian distribution of illumination in the field of view the light spot is in centre of field of view 3 22 Check autoIris function M525 only Press autoI...

Страница 74: ...d Date Purpose of test System Configuration Serial no of optics carrier Stand OHS1 MS 1 MC 1 MS2 MS3 OH3 F40 C40 CT40 OH4 Software version optics carrier Serial no of stand Serial no of control unit S...

Страница 75: ...AHE 8 Spare parts Leica M500 N M520 M525 Table of content Chapter Page Optics carrier 8 1 Exchange modules 8 1 Zoom unit 8 2 Focus illumination unit 8 4 A B slide 8 6 Various parts 8 7 CAN cables 8 8...

Страница 76: ...Spare parts Service manual Leica M500 N M520 M525 04 2007 GAHE 8 II Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

Страница 77: ...M525 Optics carrier Optics carrier exchange modules 10 448 237R Optics carrier M525 with A B slide 10 448 029R Optics carrier M520 with A B slide 10 446 757R Optics carrier M500 N with A B slide 10 44...

Страница 78: ...ark Drawing Zoom unit 10 714 391 Zoom complete with motor For M500N M520 M525 10 710 420 Zoom motor complete motor gearing encoder 10 712 255 Lens aperture 10 711 530 Set manual zoom drive without kno...

Страница 79: ...tion Remark Drawing 10 714 356 Motor controller with software 4 4 or higher replaces former controller 10661250 of M520 and M500 N but it requires the latest SW 1 87 in the control unit upgrade parts...

Страница 80: ...tifocus illumination module replacement part 10 713 263R M500 N multifocus illumination module replacement part 10 663 466 Focus motor with encoder 10 711 527 Set manual drive multi focal objective ax...

Страница 81: ...vice manual Leica M500 N M520 M525 Spare parts Doc Code 10 665 751 8 5 04 2007 GAHE Stock n Description Specification Remark Drawing 10 714 366 Iris motor with encoder M525 only 10 712 158 Counterweig...

Страница 82: ...5 751 Stock n Description Specification Remark Drawing A B slide Remark A B slide parts for optics carrier 10448238 refer to service manual OH4 doc code 10 665 744 10 446 491 A B slide 10 663 886 A sl...

Страница 83: ...n Remark Drawing Various parts 10 446 570 Counterweight MTU205 10 714 358 Adapter plate OH4 6x Allen screw M4x12 not included 10 711 883 Adapter plate OH3 10 428 328 Drive knob cover 10 424 316 Protec...

Страница 84: ...Doc Code 10 665 751 Stock n Description Specification Remark Drawing CAN cables 10 713 247 CAN cable to MC1 stand after 03 2005 length 4200mm 10 712 908 CAN cable to MS3 stand length 650mm View from w...

Страница 85: ...9 04 2007 GAHE Stock n Description Specification Remark Drawing 10 714 364 CAN cable optics carrier M525 to OH4 stand 10 712 910 CAN cable swing carrier to optics carrier length 1000mm 10 712 148 CAN...

Страница 86: ...escription Specification Remark Drawing plug housing not applied but enclosed 10 706 394 CAN cable swing carrier to optics carrier M500 N length 1070mm 10 712 909 CAN cable optics carrier M520 to OH3...

Страница 87: ...les 10 446 489R With power supply for former MC1 systems till 03 2005 10446489 corresponds to 10448144MO 10 711 851R For OH3 without holder SW 1 87 or higher without power supply 10 448 144R For MS3 a...

Страница 88: ...Drawing Components control unit 10 661 330 Control module with SW 1 87 or higher 10 706 177 LCD module 10 705 572 Switch panel complete front plate with keys and window 10 706 051MO Housing for contro...

Страница 89: ...174 Holder complete 10 712 301 Holder complete for F40 delivery time on request 10 713 573 Holder complete for C40 CT40 delivery time on request 10 560 480 Power supply only required if control unit...

Страница 90: ...sts of 4 Eproms and instruction 10 711 685 Eprom U4 control unit contains SW 1 87 or higher 10 711 686 Eprom U5 control unit contains SW 1 87 or higher 10 711 684 Eprom M500N M520 optics carrier conta...

Страница 91: ...Service manual Leica M500 N M520 M525 Spare parts Doc Code 10 665 751 8 15 04 2007 GAHE Stock n Description Specification Remark Drawing 10 710 562 Download cable for control unit length 1500mm...

Страница 92: ...Spare parts Service manual Leica M500 N M520 M525 04 2007 GAHE 8 16 Doc Code 10 665 751 Stock n Description Specification Remark Drawing...

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